TI TPS75325QPWPREP

SGLS158 − APRIL 2003
D Controlled Baseline
D
D
D
D
D
D
D
D
− One Assembly/Test Site, One Fabrication
Site
Enhanced Diminishing Manufacturing
Sources (DMS) Support
Enhanced Product Change Notification
Qualification Pedigree†
1.5-A Low-Dropout Voltage Regulator
Available in 1.5-V, 1.8-V, 2.5-V, 3.3-V, Fixed
Output and Adjustable Versions
Open Drain Power-Good (PG) Status
Output (TPS751xxQ)
Open Drain Power-On Reset With 100-ms
Delay (TPS753xxQ)
Dropout Voltage Typically 160 mV at 1.5 A
(TPS75133Q)
† Component qualification in accordance with JEDEC and industry
standards to ensure reliable operation over an extended
temperature range. This includes, but is not limited to, Highly
Accelerated Stress Test (HAST) or biased 85/85, temperature
cycle, autoclave or unbiased HAST, electromigration, bond
intermetallic life, and mold compound life. Such qualification
testing should not be viewed as justifying use of this component
beyond specified performance and environmental limits.
D Ultralow 75 µA Typical Quiescent Current
D Fast Transient Response
D 2% Tolerance Over Specified Conditions
D
D
For Fixed-Output Versions
20-Pin TSSOP (PWP) PowerPAD Package
Thermal Shutdown Protection
PWP PACKAGE
(TOP VIEW)
GND/HEATSINK
NC
IN
IN
EN
PG or RESET†
FB/SENSE
OUTPUT
OUTPUT
GND/HEATSINK
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND/HEATSINK
NC
NC
GND
NC
NC
NC
NC
NC
GND/HEATSINK
NC − No internal connection
† PG is on the TPS751xx and RESET is on the TPS753xx
description
The TPS753xxQ and TPS751xxQ are low dropout regulators with integrated power-on reset and power-good (PG)
functions respectively. These devices are capable of supplying 1.5 A of output current with a dropout of 160 mV
(TPS75133Q, TPS75333Q). Quiescent current is 75 µA at full load and drops down to 1 µA when the device is
disabled. TPS751xxQ and TPS753xxQ are designed to have fast transient response for larger load current
changes.
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 160 mV at an
output current of 1.5 A for the TPS75x33Q) and is directly proportional to the output current. Additionally, since the
PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading
(typically 75 µA over the full range of output current, 1 mA to 1.5 A). These two key specifications yield a significant
improvement in operating life for battery-powered systems.
The device is enabled when EN is connected to a low level voltage. This LDO family also features a sleep mode;
applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than 1
µA at TJ = 25°C.
For the TPS751xxQ, the power-good terminal (PG) is an active high, open drain output, which can be used to
implement a power-on reset or a low-battery indicator.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.
Copyright  2003, Texas Instruments Incorporated
!"#$%&" ' ()##*& %' "! +),-(%&" .%&*
#".)(&' ("!"#$ &" '+*(!(%&"' +*# &/* &*#$' "! *0%' '&#)$*&'
'&%.%#. 1%##%&2 #".)(&" +#"(*''3 ."*' "& *(*''%#-2 (-).*
&*'&3 "! %-- +%#%$*&*#'
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description (continued)
The RESET (SVS, POR, or power on reset) output of the TPS753xxQ initiates a reset in microcomputer and
microprocessor systems in the event of an undervoltage condition. An internal comparator in the TPS753xxQ
monitors the output voltage of the regulator to detect an undervoltage condition on the regulated output voltage.
When the output reaches 95% of its regulated voltage, RESET goes to a high-impedance state after a 100-ms delay.
RESET goes to a logic-low state when the regulated output voltage is pulled below 95% (i.e., over load condition)
of its regulated voltage.
The TPS751xxQ or TPS753xxQ is offered in 1.5-V, 1.8-V, 2.5-V and 3.3-V fixed-voltage versions and in an
adjustable version (programmable over the range of 1.5 V to 5 V). Output voltage tolerance is specified as a
maximum of 2% over line, load, and temperature ranges. The TPS751xxQ and TPS753xxQ families are available
in 20-pin TSSOP (PWP) packages.
TPS75x33Q
DROPOUT VOLTAGE
vs
JUNCTION TEMPERATURE
TPS75x15Q
LOAD TRANSIENT RESPONSE
∆ VO − Change in
Output Voltage − mV
300
200
IO = 1.5 A
100
IO = 0.5 A
50
0
−40
0
−50
−100
150
I O − Output Current − A
VDO − Dropout Voltage − mV
250
IL=1.5 A
CL=100 µF (Tantalum)
VO=1.5 V
50
10
60
110
160
TJ − Junction Temperature − °C
−150
1.5
0
0
1
2
3
4
5
6
t − Time − ms
7
AVAILABLE OPTIONS
TJ
OUTPUT VOLTAGE
(TYP)
RESET
TPS75133QPWPREP†
TPS75125QPWPREP†
TPS75333QPWPREP
TPS75318QPWPREP
1.5 V
TPS75118QPWPREP†
TPS75115QPWPREP†
Adjustable 1.5 V to 5 V
TPS75101QPWPREP†
TPS75301QPWPREP
3.3 V
2.5 V
−40°C
125°C
−40
C to 125
C
TSSOP (PWP)
PG
1.8 V
TPS75325QPWPREP
TPS75315QPWPREP
NOTE: The TPS75x01 is programmable using an external resistor divider (see application
information). R suffix indicates tape and reel.
† Product preview
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9
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SGLS158 − APRIL 2003
3
VI
PG or
RESET
SENSE
IN
4
IN
OUT
5
0.22 µF
EN
OUT
6
PG or RESET Output
7
8
VO
9
+
GND
CO †
47 µF
17
† See application information section for capacitor selection details.
Figure 1. Typical Application Configuration (For Fixed Output Options)
functional block diagram—adjustable version
IN
EN
PG or RESET
_
+
OUT
+
_
100 ms Delay
(for RESET Option)
Vref = 1.1834 V
R1
FB
R2
GND
External to the device
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functional block diagram—fixed-voltage version
IN
EN
PG or RESET
_
+
OUT
+
_
SENSE
100 ms Delay
(for RESET Option)
R1
Vref = 1.1834 V
R2
GND
Terminal Functions (TPS751xxQ)
TERMINAL
NAME
NO.
I/O
DESCRIPTION
EN
5
I
Enable Input
FB/SENSE
7
I
Feedback input voltage for adjustable device (sense input for fixed options)
GND
17
GND/HEATSINK
Regulator Ground
1, 10, 11, 20
IN
3, 4
NC
2, 12, 13, 14,
15, 16, 18, 19
OUTPUT
PG
Ground/heatsink
I
Input voltage
No connection
8, 9
O
Regulated output voltage
6
O
Power good output
Terminal Functions (TPS753xxQ)
TERMINAL
NAME
EN
NO.
I/O
DESCRIPTION
5
I
Enable Input
FB/SENSE
7
I
Feedback input voltage for adjustable device (sense input for fixed options)
GND
17
Regulator Ground
1, 10, 11, 20
Ground/heatsink
GND/HEATSINK
IN
3, 4
NC
2, 12, 13, 14,
15, 16, 18, 19
OUTPUT
RESET
4
I
Input voltage
No connection
8, 9
O
Regulated output voltage
6
O
Reset output
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SGLS158 − APRIL 2003
TPS753xxQ RESET timing diagram
VI
Vres
(see Note A)
Vres
t
VO
VIT + (see Note B)
Threshold
Voltage
VIT − (see Note B)
VIT + (see Note B)
Less than 5% of the
VIT −
output voltage
(see Note B)
t
RESET
Output
Output
Undefined
ÎÎ
ÎÎ
ÎÎ
ÎÎ
ÎÎ
100 ms
Delay
100 ms
Delay
ÎÎ
ÎÎ
ÎÎ
ÎÎ
ÎÎ
Output
Undefined
t
NOTES: A. Vres is the minimum input voltage for a valid RESET. The symbol Vres is not currently listed within EIA or JEDEC
standards for semiconductor symbology.
B. VIT −Trip voltage is typically 5% lower than the output voltage (95%VO) VIT− to VIT+ is the hysteresis voltage.
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TPS751xxQ PG timing diagram
VI
VPG
(see Note A)
VPG
t
VO
VIT +(see Note B)
VIT +(see Note B)
Threshold
Voltage
VIT −(see Note B)
VIT −(see Note B)
t
PG
Output
Output
Undefined
ÎÎ
ÎÎ
ÎÎ
ÎÎ
ÎÎ
ÎÎ
ÎÎ
ÎÎ
Output
Undefined
t
NOTES: A. VPG is the minimum input voltage for a valid PG. The symbol VPG is not currently listed within EIA or JEDEC standards for
semiconductor symbology.
B. VIT −Trip voltage is typically 17% lower than the output voltage (83%VO) VIT− to VIT+ is the hysteresis voltage.
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absolute maximum ratings over operating junction temperature range (unless otherwise noted)Ĕ
Input voltage range‡, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 5.5 V
Voltage range at EN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 16.5 V
Maximum PG voltage (TPS751xxQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16.5 V
Maximum RESET voltage (TPS753xxQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16.5 V
Peak output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally limited
Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See dissipation rating tables
Output voltage, VO (OUTPUT, FB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V
Operating virtual junction temperature range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40°C to 125°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
ESD rating, HBM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 kV
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied.
Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
‡ All voltage values are with respect to network terminal ground.
DISSIPATION RATING TABLE 1 − FREE-AIR TEMPERATURES
PACKAGE
PWP§
PWP¶
AIR FLOW
(CFM)
TA < 25°C
POWER RATING
DERATING FACTOR
ABOVE TA = 25°C
TA = 70°C
POWER RATING
TA = 85°C
POWER RATING
0
2.9 W
23.5 mW/°C
1.9 W
1.5 W
300
4.3 W
34.6 mW/°C
2.8 W
2.2 W
0
3W
23.8 mW/°C
1.9 W
1.5 W
300
7.2 W
57.9 mW/°C
4.6 W
3.8 W
§ This parameter is measured with the recommended copper heat sink pattern on a 1-layer PCB, 5-in × 5-in PCB, 1 oz. copper,
2-in × 2-in coverage (4 in2).
¶ This parameter is measured with the recommended copper heat sink pattern on a 8-layer PCB, 1.5-in × 2-in PCB, 1 oz. copper
with layers 1, 2, 4, 5, 7, and 8 at 5% coverage (0.9 in2) and layers 3 and 6 at 100% coverage (6 in2). For more information, refer
to TI technical brief SLMA002.
recommended operating conditions
Input voltage, VI#
Output voltage range, VO
Output current, IO
MIN
MAX
UNIT
2.7
5
V
1.5
5
V
0
1.5
A
Operating virtual junction temperature, TJ
−40
125
°C
# To calculate the minimum input voltage for your maximum output current, use the following equation: VI(min) = VO(max) + VDO(max load).
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electrical characteristics over recommended operating junction temperature range (TJ = −40°C to
125°C), VI = VO(typ) + 1 V, IO = 1 mA, EN = 0 V, Co = 47 µF (unless otherwise noted)
PARAMETER
TEST CONDITIONS
Adjustable
Voltage
Output voltage
(see Notes 1 and 3)
1.5 V ≤ VO ≤ 5 V,
MIN
TJ = 25°C
1.5 V ≤ VO ≤ 5 V
0.98 VO
1.5 V Output
2.7 V < VIN < 5 V
1.8 V Output
TJ = 25°C,
2.8 V < VIN < 5 V
2.8 V < VIN < 5 V
2.5 V Output
TJ = 25°C,
3.5 V < VIN < 5 V
3.5 V < VIN < 5 V
3.3 V Output
TJ = 25°C,
4.3 V < VIN < 5 V
4.3 V < VIN < 5 V
TJ = 25°C,
See Note 3
See Note 3
VO + 1 V < VI ≤ 5 V,
TJ = 25°C
Output voltage line regulation (∆VO/VO)
(see Notes 1 and 2)
Output voltage line regulation (∆VO/VO)
(see Notes 1 and 2)
MAX
UNIT
VO
TJ = 25°C,
2.7 V < VIN < 5 V
Quiescent current (GND current) (see Note 2)
TYP
1.02 VO
1.5
1.470
1.530
1.8
1.764
1.836
V
2.5
2.450
2.550
3.3
3.234
3.366
75
125
µA
A
0.01
%/V
VO + 1 V < VI < 5 V
0.1
Load regulation (see Note 3)
1
mV
Output noise voltage
BW = 300 Hz to 50 kHz, VO = 1.5 V
CO = 100 µF,
TJ = 25°C
60
µVrms
Output current Limit
VO = 0 V
3.3
Thermal shutdown junction temperature
EN = VI,
Standby current
TJ = 25°C,
TPS75x01Q
FB = 1.5 V
°C
1
µA
−1
High level enable input voltage
1
µA
0.7
Minimum input voltage for valid PG
f = 100 Hz,
TJ = 25°C,
IO(PG) = 300µA,
Trip threshold voltage
VO decreasing
Hysteresis voltage
Measured at VO
Output low voltage
VI = 2.7 V,
CO = 100 µF,
See Note 1, IO = 1.5 A
63
V(PG) ≤ 0.8 V
1
80
IO(PG) = 1mA
0.15
V(PG) = 5 V
NOTES: 1. Minimum IN operating voltage is 2.7 V or VO(typ) + 1 V, whichever is greater. Maximum IN voltage 5 V.
2. If VO ≤ 1.8 V then Vimin = 2.7 V, Vimax = 5 V:
Line Reg. (mV) + ǒ%ńVǓ
V
O
100
If VO ≥ 2.5 V then Vimin = VO + 1 V, Vimax = 5 V:
Line Reg. (mV) + ǒ%ńVǓ
ǒVimax * 2.7 VǓ
V
O
ǒVimax * ǒVO ) 1 VǓǓ
100
3. IO = 1 mA to 1.5 A
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1000
V
dB
1.3
V
86
%VO
0.5
Leakage current
8
µA
V
Low level enable input voltage
PG
(TPS751xxQ)
10
2
Power supply ripple rejection (see Note 2)
A
150
EN = VI
FB input current
4.5
%VO
0.4
V
1
µA
SGLS158 − APRIL 2003
electrical characteristics over recommended operating junction temperature range (TJ = −40°C to
125°C), VI = VO(typ) + 1 V, IO = 1 mA, EN = 0 V, Co = 47 µF (unless otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
Trip threshold voltage
IO(RESET) = 300 µA,
VO decreasing
Hysteresis voltage
Measured at VO
Output low voltage
IO(RESET) = 1 mA
V(RESET) = 5.5 V
Minimum input voltage for valid RESET
Reset
(TPS753xxQ)
Leakage current
MIN
V(RESET) ≤ 0.8 V
TYP
MAX
1.1
1.3
V
98
%VO
%VO
0.4
V
92
UNIT
0.5
0.15
µA
1
RESET time-out delay
100
Input current (EN)
EN = VI
−1
EN = 0 V
−1
High level EN input voltage
0
ms
1
µA
1
µA
2
V
Low level EN input voltage
0.7
IO = 1.5 A,
TJ = 25°C
IO = 1.5 A,
Dropout voltage, (3.3 V output) (see Note 4)
VI = 3.2 V,
V
160
mV
VI = 3.2 V
300
NOTE 4: IN voltage equals VO(Typ) − 100 mV; TPS75x15Q, TPS75x18Q and TPS75x25Q dropout voltage limited by input voltage range limitations
(i.e., TPS75x33Q input voltage needs to drop to 3.2 V for purpose of this test).
Table of Graphs
FIGURE
VO
Output voltage
vs Output current
2, 3
vs Junction temperature
4, 5
Ground current
vs Junction temperature
6
Power supply ripple rejection
vs Frequency
7
Output spectral noise density
vs Frequency
8
Zo
Output impedance
vs Frequency
9
vs Input voltage
10
VDO
Dropout voltage
Input voltage (min)
VO
vs Junction temperature
11
vs Output voltage
12
Line transient response
13, 15
Load transient response
14, 16
Output voltage
vs Time
Equivalent series resistance (ESR)
vs Output current
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TYPICAL CHARACTERISTICS
TPS75x33Q
TPS75x15Q
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
3.305
1.503
VI = 2.7 V
TJ = 25°C
VI = 4.3 V
TJ = 25°C
1.502
VO
VO − Output Voltage − V
VO − Output Voltage − V
3.303
VO
3.301
3.299
3.297
1.501
1.5
1.499
1.498
3.295
0
500
1.497
1500
1000
500
0
IO − Output Current − mA
1000
1500
IO − Output Current − mA
Figure 2
Figure 3
TPS75x33Q
TPS75x15Q
OUTPUT VOLTAGE
vs
JUNCTION TEMPERATURE
OUTPUT VOLTAGE
vs
JUNCTION TEMPERATURE
3.37
1.53
VI = 4.3 V
VI = 2.7 V
3.35
1.52
VO − Output Voltage − V
VO − Output Voltage − V
1 mA
3.33
1 mA
3.31
3.29
1.5 A
3.27
1.50
1.5 A
1.49
1.48
3.25
3.23
−40
1.51
10
60
110
160
1.47
−40
TJ − Junction Temperature − °C
Figure 4
10
10
60
Figure 5
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TJ − Junction Temperature − °C
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TYPICAL CHARACTERISTICS
TPS75xxxQ
TPS75x33Q
GROUND CURRENT
vs
JUNCTION TEMPERATURE
POWER SUPPLY RIPPLE REJECTION
vs
FREQUENCY
90
PSRR − Power Supply Ripple Rejection − dB
85
100
VI = 5 V
IO = 1.5 A
Ground Current − µ A
80
75
70
65
60
55
50
−40
10
60
110
90
70
60
50
40
VI = 4.3 V
CO = 100 µF
IO = 1.5 A
TJ = 25°C
30
20
10
0
160
VI = 4.3 V
CO = 100 µF
IO = 1 mA
TJ = 25°C
80
10
100
TJ − Junction Temperature − °C
Figure 6
100k
TPS75x33Q
TPS75x33Q
OUTPUT SPECTRAL NOISE DENSITY
vs
FREQUENCY
OUTPUT IMPEDANCE
vs
FREQUENCY
101
VI = 4.3 V
VO = 3.3 V
CO = 100 µF
TJ = 25°C
1M
10M
1M
10M
CO = 100 µF
IO = 1 mA
Zo − Output Impedance − Ω
Vn − Voltage Noise − nV/ Hz
1.6
10k
Figure 7
2
1.8
1k
f − Frequency − Hz
1.4
1.2
IO = 1.5 A
1
0.8
0.6
1
10−1
CO = 100 µF
IO = 1.5 A
0.4
0.2
0
10
IO = 1 mA
100
1k
f − Frequency − Hz
10k
50k
10−2
10
100
1K
10K
100K
f − Frequency − Hz
Figure 9
Figure 8
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TYPICAL CHARACTERISTICS
TPS75x01Q
TPS75x33Q
DROPOUT VOLTAGE
vs
INPUT VOLTAGE
DROPOUT VOLTAGE
vs
JUNCTION TEMPERATURE
300
300
IO = 1.5 A
250
VDO − Dropout Voltage − mV
VDO − Dropout Voltage − mV
250
TJ = 125°C
200
150
TJ = 25°C
100
TJ = −40°C
200
IO = 1.5 A
150
100
IO = 0.5 A
50
50
0
3
2.5
4
3.5
VI − Input Voltage − V
4.5
0
−40
5
10
60
160
110
TJ − Junction Temperature − °C
Figure 11
Figure 10
INPUT VOLTAGE (MIN)
vs
OUTPUT VOLTAGE
TPS75x15Q
LINE TRANSIENT RESPONSE
∆ VO − Change in
Output Voltage − mV
4
TA = 25°C
TA = 125°C
TA = −40°C
2.7
2
1.5
IO=1.5 A
CO=100 µF
VO=1.5 V
100
0
1.75
2
2.25
2.5
2.75
3
3.25
3.5
4
3
0
0.1
VO − Output Voltage − V
Figure 12
12
dv + 1 V
ms
dt
−100
3
VI − Input Voltage − V
VI − Input Voltage (Min) − V
IO = 1.5 A
0.2 0.3
0.4 0.5 0.6 0.7 0.8
t − Time − ms
Figure 13
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0.9
1
SGLS158 − APRIL 2003
TPS75x15Q
TPS75x33Q
LOAD TRANSIENT RESPONSE
LINE TRANSIENT RESPONSE
IL=1.5 A
CL=100 µF (Tantalum)
VO=1.5 V
50
∆ VO − Change in
Output Voltage − mV
∆ VO − Change in
Output Voltage − mV
TYPICAL CHARACTERISTICS
0
−50
dv + 1 V
ms
dt
100
0
−100
VI − Input Voltage − V
−100
I O − Output Current − A
IO=1.5 A
CO=100 µF (Tantalum)
VO=3.3 V
−150
1.5
5.3
4.3
0
0
1
2
3
4
5
6
t − Time − ms
7
8
9
10
0
0.1
0.2 0.3
0.4 0.5 0.6 0.7 0.8
t − Time − ms
0.9
1
Figure 15
Figure 14
TPS75x33Q
OUTPUT VOLTAGE
vs
TIME (STARTUP)
TPS75x33Q
VO − Output Voltage − V
IO=1.5 A
CO=100 µF (Tantalum)
VO=3.3 V
50
0
−50
−100
Enable Voltage − V
I O − Output Current − A
∆ VO − Change in
Output Voltage − mV
LOAD TRANSIENT RESPONSE
−150
1.5
VI = 4.3 V
TJ = 25°C
3.3
0
4.3
0
0
0
1
2
3
4
5
6
t − Time − ms
7
8
9
10
0
0.2
0.4
0.6
t − Time − ms
0.8
1
Figure 17
Figure 16
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SGLS158 − APRIL 2003
TYPICAL CHARACTERISTICS
VI
To Load
IN
OUT
+
EN
CO
RL
GND
ESR
Figure 18. Test Circuit for Typical Regions of Stability (Figures 19 and 20) (Fixed Output Options)
TYPICAL REGION OF STABILITY
TYPICAL REGION OF STABILITY
EQUIVALENT SERIES RESISTANCE†
vs
OUTPUT CURRENT
EQUIVALENT SERIES RESISTANCE†
vs
OUTPUT CURRENT
10
Vo = 3.3 V
Co = 100 µF
VI = 4.3 V
TJ = 25°C
ESR − Equivalent series restance − Ω
ESR − Equivalent series restance − Ω
10
1
Region of Stability
0.1
0.05
Vo = 3.3 V
Co = 47 µF
VI = 4.3 V
TJ = 25°C
1
Region of Stability
0.1
Region of Instability
Region of Instability
0.01
0.01
0
0.5
1
1.5
0
IO − Output Current − A
0.5
1
1.5
IO − Output Current − A
Figure 19
Figure 20
† Equivalent series resistance (ESR) refers to the total series resistance, including the ESR of the capacitor, any series resistance added externally,
and PWB trace resistance to Co.
14
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APPLICATION INFORMATION
The TPS751xxQ or TPS753xxQ family includes four fixed-output voltage regulators (1.5 V, 1.8 V, 2.5 V and 3.3 V),
and an adjustable regulator, the TPS75x01Q (adjustable from 1.5 V to 5 V).
minimum load requirements
The TPS751xxQ and TPS753xxQ families are stable even at no load; no minimum load is required for operation.
pin functions
enable (EN)
The EN terminal is an input which enables or shuts down the device. If EN is a logic high, the device will be in
shutdown mode. When EN goes to logic low, then the device will be enabled.
power-good (PG) (TPS751xxQ)
The PG terminal is an open drain, active high output that indicates the status of VO (output of the LDO). When VO
reaches 83% of the regulated voltage, PG will go to a high impedance state. It will go to a low-impedance state when
VO falls below 83% (i.e. over load condition) of the regulated voltage. The open drain output of the PG terminal
requires a pullup resistor.
sense (SENSE)
The SENSE terminal of the fixed-output options must be connected to the regulator output, and the connection
should be as short as possible. Internally, SENSE connects to a high-impedance wide-bandwidth amplifier through
a resistor-divider network and noise pickup feeds through to the regulator output. It is essential to route the SENSE
connection in such a way to minimize/avoid noise pickup. Adding RC networks between the SENSE terminal and
VO to filter noise is not recommended because it may cause the regulator to oscillate.
feedback (FB)
FB is an input terminal used for the adjustable-output options and must be connected to an external feedback
resistor divider. The FB connection should be as short as possible. It is essential to route it in such a way to
minimize/avoid noise pickup. Adding RC networks between FB terminal and VO to filter noise is not recommended
because it may cause the regulator to oscillate.
reset (RESET) (TPS753xxQ)
The RESET terminal is an open drain, active low output that indicates the status of VO. When VO reaches 95% of
the regulated voltage, RESET will go to a low-impedance state after a 100-ms delay. RESET will go to a
high-impedance state when VO is below 95% of the regulated voltage. The open-drain output of the RESET terminal
requires a pullup resistor.
GND/HEATSINK
All GND/HEATSINK terminals are connected directly to the mount pad for thermal-enhanced operation. These
terminals could be connected to GND or left floating.
input capacitor
For a typical application, an input bypass capacitor (0.22 µF − 1 µF) is recommended for device stability. This
capacitor should be as close to the input pins as possible. For fast transient condition where droop at the input of
the LDO may occur due to high inrush current, it is recommended to place a larger capacitor at the input as well.
The size of this capacitor is dependant on the output current and response time of the main power supply, as well
as the distance to the load (LDO).
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SGLS158 − APRIL 2003
APPLICATION INFORMATION
output capacitor
As with most LDO regulators, the TPS751xxQ and TPS753xxQ require an output capacitor connected between
OUT and GND to stabilize the internal control loop. The minimum recommended capacitance value is 47 µF and
the ESR (equivalent series resistance) must be between 100 mΩ and 10 Ω. Solid tantalum electrolytic, aluminum
electrolytic, and multilayer ceramic capacitors are all suitable, provided they meet the requirements described in
this section. Larger capacitors provide a wider range of stability and better load transient response.
This information, along with the ESR graphs, is included to assist in selection of suitable capacitance for the user’s
application. When necessary to achieve low height requirements along with high output current and/or high load
capacitance, several higher ESR capacitors can be used in parallel to meet these guidelines.
ESR and transient response
LDOs typically require an external output capacitor for stability. In fast transient response applications, capacitors
are used to support the load current while LDO amplifier is responding. In most applications, one capacitor is used
to support both functions.
Besides its capacitance, every capacitor also contains parasitic impedances. These parasitic impedances are
resistive as well as inductive. The resistive impedance is called equivalent series resistance (ESR), and the
inductive impedance is called equivalent series inductance (ESL). The equivalent schematic diagram of any
capacitor can therefore be drawn as shown in Figure 21.
RESR
LESL
C
Figure 21. − ESR and ESL
16
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APPLICATION INFORMATION
In most cases one can neglect the effect of inductive impedance ESL. Therefore, the following application focuses
mainly on the parasitic resistance ESR.
Figure 22 shows the output capacitor and its parasitic impedances in a typical LDO output stage.
IO
LDO
+
VESR
RESR
−
VI
RLOAD
VO
CO
Figure 22. LDO Output Stage With Parasitic Resistances ESR and ESL
In steady state (dc state condition), the load current is supplied by the LDO (solid arrow) and the voltage across the
capacitor is the same as the output voltage (V(CO) = VO). This means no current is flowing into the CO branch. If
IO suddenly increases (transient condition), the following occurs:
D The LDO is not able to supply the sudden current need due to its response time (t1 in Figure 23). Therefore,
capacitor CO provides the current for the new load condition (dashed arrow). CO now acts like a battery with
an internal resistance, ESR. Depending on the current demand at the output, a voltage drop will occur at RESR.
This voltage is shown as VESR in Figure 22.
D When CO is conducting current to the load, initial voltage at the load will be VO = V(CO) – VESR. Due to the
discharge of CO, the output voltage VO will drop continuously until the response time t1 of the LDO is reached
and the LDO will resume supplying the load. From this point, the output voltage starts rising again until it reaches
the regulated voltage. This period is shown as t2 in Figure 23.
Figure 23 also shows the impact of different ESRs on the output voltage. The left brackets show different levels of
ESRs where number 1 displays the lowest and number 3 displays the highest ESR.
From above, the following conclusions can be drawn:
D The higher the ESR, the larger the droop at the beginning of load transient.
D The smaller the output capacitor, the faster the discharge time and the bigger the voltage droop during the LDO
response period.
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SGLS158 − APRIL 2003
APPLICATION INFORMATION
conclusion
To minimize the transient output droop, capacitors must have a low ESR and be large enough to support the
minimum output voltage requirement.
IO
VO
1
2
ESR 1
3
ESR 2
ESR 3
t1
t2
Figure 23. Correlation of Different ESRs and Their Influence to the Regulation of VO at a
Load Step From Low-to-High Output Current
18
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APPLICATION INFORMATION
programming the TPS75x01Q adjustable LDO regulator
The output voltage of the TPS75x01Q adjustable regulator is programmed using an external resistor divider as
shown in Figure 24. The output voltage is calculated using:
V
O
+V
ǒ1 ) R1
Ǔ
R2
ref
(1)
Where:
Vref = 1.1834 V typ (the internal reference voltage)
Resistors R1 and R2 should be chosen for approximately 40-µA divider current. Lower value resistors can be used
but offer no inherent advantage and waste more power. Higher values should be avoided as leakage currents at
FB increase the output voltage error. The recommended design procedure is to choose
R2 = 30.1 kΩ to set the divider current at 40 µA and then calculate R1 using:
R1 +
ǒ
V
V
Ǔ
O *1
ref
R2
(2)
OUTPUT VOLTAGE
PROGRAMMING GUIDE
TPS75x01Q
VI
0.22 µF
PG or
RESET
IN
250 kΩ
≥2V
≤ 0.7 V
PG or RESET Output
EN
OUT
VO
R1
FB/SENSE
GND
CO
OUTPUT
VOLTAGE
R1
R2
UNIT
2.5 V
33.2
30.1
kΩ
3.3 V
53.6
30.1
kΩ
3.6 V
61.9
30.1
kΩ
NOTE: To reduce noise and prevent
oscillation, R1 and R2 need to be as close
as possible to the FB/SENSE terminal.
R2
Figure 24. TPS75x01Q Adjustable LDO Regulator Programming
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APPLICATION INFORMATION
regulator protection
The TPS751xxQ or TPS753xxQ PMOS-pass transistor has a built-in back diode that conducts reverse currents
when the input voltage drops below the output voltage (e.g., during power down). Current is conducted from the
output to the input and is not internally limited. When extended reverse voltage is anticipated, external limiting may
be appropriate.
The TPS751xxQ or TPS753xxQ also features internal current limiting and thermal protection. During normal
operation, the TPS751xxQ or TPS753xxQ limits output current to approximately 3.3 A. When current limiting
engages, the output voltage scales back linearly until the overcurrent condition ends. While current limiting is
designed to prevent gross device failure, care should be taken not to exceed the power dissipation ratings of the
package. If the temperature of the device exceeds 150°C(typ), thermal-protection circuitry shuts it down. Once the
device has cooled below 130°C(typ), regulator operation resumes.
power dissipation and junction temperature
Specified regulator operation is assured to a junction temperature of 125°C; the maximum junction temperature
should be restricted to 125°C under normal operating conditions. This restriction limits the power dissipation the
regulator can handle in any given application. To ensure the junction temperature is within acceptable limits,
calculate the maximum allowable dissipation, PD(max), and the actual dissipation, PD, which must be less than or
equal to PD(max).
The maximum-power-dissipation limit is determined using the following equation:
P
Where:
T max * T
A
+ J
D(max)
R
qJA
(3)
TJmax is the maximum allowable junction temperature
RθJA is the thermal resistance junction-to-ambient for the package, i.e., 34.6°C/W for the 20-terminal
PWP with no airflow (see Table 1).
TA is the ambient temperature.
The regulator dissipation is calculated using:
P
D
ǒ
Ǔ
+ V *V
I
O
I
(4)
O
Power dissipation resulting from quiescent current is negligible. Excessive power dissipation will trigger the thermal
protection circuit.
20
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THERMAL INFORMATION
thermally enhanced TSSOP-20 (PWP − PowerPad)
The thermally enhanced PWP package is based on the 20-pin TSSOP, but includes a thermal pad [see
Figure 25(c)] to provide an effective thermal contact between the IC and the PWB.
Traditionally, surface mount and power have been mutually exclusive terms. A variety of scaled-down TO220-type
packages have leads formed as gull wings to make them applicable for surface-mount applications. These
packages, however, suffer from several shortcomings: they do not address the very low profile requirements (< 2
mm) of many of today’s advanced systems, and they do not offer a pin-count high enough to accommodate
increasing integration. On the other hand, traditional low-power surface-mount packages require power-dissipation
derating that severely limits the usable range of many high-performance analog circuits.
The PWP package (thermally enhanced TSSOP) combines fine-pitch surface-mount technology with thermal
performance comparable to much larger power packages.
The PWP package is designed to optimize the heat transfer to the PWB. Because of the very small size and limited
mass of a TSSOP package, thermal enhancement is achieved by improving the thermal conduction paths that
remove heat from the component. The thermal pad is formed using a lead-frame design (patent pending) and
manufacturing technique to provide the user with direct connection to the heat-generating IC. When this pad is
soldered or otherwise coupled to an external heat dissipator, high power dissipation in the ultrathin, fine-pitch,
surface-mount package can be reliably achieved.
DIE
Side View (a)
Thermal
Pad
DIE
End View (b)
Bottom View (c)
Figure 25. Views of Thermally Enhanced PWP Package
Because the conduction path has been enhanced, power-dissipation capability is determined by the thermal
considerations in the PWB design. For example, simply adding a localized copper plane (heat-sink surface), which
is coupled to the thermal pad, enables the PWP package to dissipate 2.5 W in free air (reference
Figure 27(a), 8 cm2 of copper heat sink and natural convection). Increasing the heat-sink size increases the power
dissipation range for the component. The power dissipation limit can be further improved by adding airflow to a
PWB/IC assembly (see Figures 26 and 27). The line drawn at 0.3 cm2 in Figures 26 and 27 indicates performance
at the minimum recommended heat-sink size, illustrated in Figure 29.
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THERMAL INFORMATION
thermally enhanced TSSOP-20 (PWP − PowerPad) (continued)
The thermal pad is directly connected to the substrate of the IC, which for the TPS751xxQPWP and
TPS753XXQPWP series is a secondary electrical connection to device ground. The heat-sink surface that is added
to the PWP can be a ground plane or left electrically isolated. In TO220-type surface-mount packages, the thermal
connection is also the primary electrical connection for a given terminal which is not always ground. The PWP
package provides up to 16 independent leads that can be used as inputs and outputs (Note: leads 1, 10, 11, and
20 are internally connected to the thermal pad and the IC substrate).
THERMAL RESISTANCE
vs
COPPER HEAT-SINK AREA
150
R θ JA − Thermal Resistance − ° C/W
125
Natural Convection
50 ft/min
100 ft/min
100
150 ft/min
200 ft/min
75
50
250 ft/min
300 ft/min
25
0 0.3
1
2
3
4
5
Copper Heat-Sink Area − cm2
Figure 26
22
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6
7
8
SGLS158 − APRIL 2003
THERMAL INFORMATION
thermally enhanced TSSOP-20 (PWP − PowerPad) (continued)
3.5
3.5
TA = 55°C
300 ft/min
PD − Power Dissipation Limit − W
3
150 ft/min
2.5
2
Natural Convection
1.5
1
0.5
0
3
300 ft/min
2.5
2
150 ft/min
1.5
Natural Convection
1
0.5
0
0.3
2
4
0
8
6
Copper Heat-Sink Size − cm2
0
0.3
2
4
6
8
Copper Heat-Sink Size − cm2
(a)
(b)
3.5
TA = 105°C
3
PD − Power Dissipation Limit − W
PD − Power Dissipation Limit − W
TA = 25°C
2.5
2
1.5
150 ft/min
300 ft/min
1
Natural Convection
0.5
0
0
0.3
2
4
6
8
Copper Heat-Sink Size − cm2
(c)
Figure 27. Power Ratings of the PWP Package at Ambient Temperatures of 25°C, 55°C, and 105°C
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SGLS158 − APRIL 2003
THERMAL INFORMATION
thermally enhanced TSSOP-20 (PWP − PowerPad) (continued)
Figure 28 is an example of a thermally enhanced PWB layout for use with the new PWP package. This board
configuration was used in the thermal experiments that generated the power ratings shown in Figure 26 and Figure
27. As discussed earlier, copper has been added on the PWB to conduct heat away from the device. RθJA for this
assembly is illustrated in Figure 26 as a function of heat-sink area. A family of curves is included to illustrate the effect
of airflow introduced into the system.
Heat-Sink Area
1 oz Copper
Board thickness
Board size
Board material
Copper trace/heat sink
Exposed pad mounting
62 mils
3.2 in. × 3.2 in.
FR4
1 oz
63/67 tin/lead solder
Figure 28. PWB Layout (Including Copper Heatsink Area) for Thermally Enhanced PWP Package
From Figure 26, RθJA for a PWB assembly can be determined and used to calculate the maximum power-dissipation
limit for the component/PWB assembly, with the equation:
P
D(max)
+
T max * T
J
A
R
qJA(system)
(5)
Where:
TJmax is the maximum specified junction temperature (150°C absolute maximum limit, 125°C recommended
operating limit) and TA is the ambient temperature.
PD(max) should then be applied to the internal power dissipated by the TPS75133QPWP regulator. The equation
for calculating total internal power dissipation of the TPS75133QPWP is:
P
D(total)
ǒ
Ǔ
+ V *V
I
O
I
O
)V
I
I
(6)
Q
Since the quiescent current of the TPS75133QPWP is very low, the second term is negligible, further simplifying
the equation to:
P
D(total)
ǒ
Ǔ
+ V *V
I
O
I
(7)
O
For the case where TA = 55°C, airflow = 200 ft/min, copper heat-sink area = 4 cm2, the maximum power-dissipation
limit can be calculated. First, from Figure 26, we find the system RθJA is 50°C/W; therefore, the maximum
power-dissipation limit is:
P
24
D(max)
+
T max * T
°
J
A + 125 °C * 55 C
+ 1.4 W
°
R
50 CńW
qJA(system)
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(8)
SGLS158 − APRIL 2003
THERMAL INFORMATION
thermally enhanced TSSOP-20 (PWP − PowerPad) (continued)
If the system implements a TPS75133QPWP regulator, where VI = 5 V and IO = 800 mA, the internal power
dissipation is:
P
D(total)
ǒ
Ǔ
+ V *V
I
O
I
O
+ (5 * 3.3)
0.8 + 1.36 W
(9)
Comparing PD(total) with PD(max) reveals that the power dissipation in this example does not exceed the calculated
limit. When it does, one of two corrective actions should be made: raising the power-dissipation limit by increasing
the airflow or the heat-sink area, or lowering the internal power dissipation of the regulator by reducing the input
voltage or the load current. In either case, the above calculations should be repeated with the new system
parameters.
mounting information
The primary requirement is to complete the thermal contact between the thermal pad and the PWB metal. The
thermal pad is a solderable surface and is fully intended to be soldered at the time the component is mounted.
Although voiding in the thermal-pad solder-connection is not desirable, up to 50% voiding is acceptable. The data
included in Figures 26 and 27 is for soldered connections with voiding between 20% and 50%. The thermal analysis
shows no significant difference resulting from the variation in voiding percentage.
Figure 29 shows the solder-mask land pattern for the
PWP package. The minimum recommended heatsink area is also illustrated. This is simply a copper
plane under the body extent of the package, including
metal routed under terminals 1, 10, 11, and 20.
Minimum Recommended
Heat-Sink Area
Location of Exposed
Thermal Pad on
PWP Package
Figure 29. PWP Package Land Pattern
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25
PACKAGE OPTION ADDENDUM
www.ti.com
18-Sep-2008
PACKAGING INFORMATION
Orderable Device
Status (1)
Package
Type
Package
Drawing
Pins Package Eco Plan (2)
Qty
TPS75125MPWPREP
ACTIVE
HTSSOP
PWP
20
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-2-260C-1 YEAR
TPS75301QPWPREP
ACTIVE
HTSSOP
PWP
20
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-2-260C-1 YEAR
TPS75315QPWPREP
ACTIVE
HTSSOP
PWP
20
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-2-260C-1 YEAR
TPS75318QPWPREP
ACTIVE
HTSSOP
PWP
20
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-2-260C-1 YEAR
TPS75325QPWPREP
ACTIVE
HTSSOP
PWP
20
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-2-260C-1 YEAR
TPS75333QPWPREP
ACTIVE
HTSSOP
PWP
20
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-2-260C-1 YEAR
V62/03636-06XE
ACTIVE
HTSSOP
PWP
20
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-2-260C-1 YEAR
V62/03636-07XE
ACTIVE
HTSSOP
PWP
20
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-2-260C-1 YEAR
V62/03636-08XE
ACTIVE
HTSSOP
PWP
20
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-2-260C-1 YEAR
V62/03636-09XE
ACTIVE
HTSSOP
PWP
20
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-2-260C-1 YEAR
V62/03636-10XE
ACTIVE
HTSSOP
PWP
20
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-2-260C-1 YEAR
V62/03636-14XE
ACTIVE
HTSSOP
PWP
20
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-2-260C-1 YEAR
Lead/Ball Finish
MSL Peak Temp (3)
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
18-Sep-2008
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
OTHER QUALIFIED VERSIONS OF TPS75125-EP, TPS75301-EP, TPS75315-EP, TPS75318-EP, TPS75325-EP, TPS75333-EP :
TPS75125, TPS75301, TPS75315, TPS75318, TPS75325, TPS75333
• Catalog:
• Automotive: TPS75301-Q1, TPS75315-Q1, TPS75318-Q1, TPS75325-Q1, TPS75333-Q1
NOTE: Qualified Version Definitions:
- TI's standard catalog product
• Catalog
• Automotive - Q100 devices qualified for high-reliability automotive applications targeting zero defects
Addendum-Page 2
PACKAGE MATERIALS INFORMATION
www.ti.com
14-Jul-2012
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device
Package Package Pins
Type Drawing
SPQ
Reel
Reel
A0
Diameter Width (mm)
(mm) W1 (mm)
B0
(mm)
K0
(mm)
P1
(mm)
TPS75125MPWPREP
HTSSOP
PWP
20
2000
330.0
16.4
TPS75301QPWPREP
HTSSOP
PWP
20
2000
330.0
TPS75315QPWPREP
HTSSOP
PWP
20
2000
330.0
TPS75318QPWPREP
HTSSOP
PWP
20
2000
TPS75325QPWPREP
HTSSOP
PWP
20
TPS75333QPWPREP
HTSSOP
PWP
20
6.95
7.1
1.6
8.0
16.0
Q1
16.4
6.95
7.1
1.6
8.0
16.0
Q1
16.4
6.95
7.1
1.6
8.0
16.0
Q1
330.0
16.4
6.95
7.1
1.6
8.0
16.0
Q1
2000
330.0
16.4
6.95
7.1
1.6
8.0
16.0
Q1
2000
330.0
16.4
6.95
7.1
1.6
8.0
16.0
Q1
Pack Materials-Page 1
W
Pin1
(mm) Quadrant
PACKAGE MATERIALS INFORMATION
www.ti.com
14-Jul-2012
*All dimensions are nominal
Device
Package Type
Package Drawing
Pins
SPQ
Length (mm)
Width (mm)
Height (mm)
TPS75125MPWPREP
HTSSOP
PWP
20
2000
367.0
367.0
38.0
TPS75301QPWPREP
HTSSOP
PWP
20
2000
367.0
367.0
38.0
TPS75315QPWPREP
HTSSOP
PWP
20
2000
367.0
367.0
38.0
TPS75318QPWPREP
HTSSOP
PWP
20
2000
367.0
367.0
38.0
TPS75325QPWPREP
HTSSOP
PWP
20
2000
367.0
367.0
38.0
TPS75333QPWPREP
HTSSOP
PWP
20
2000
367.0
367.0
38.0
Pack Materials-Page 2
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