AP7335 - Diodes Incorporated

AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Description
Pin Assignments
NEW PRODUCT
The AP7335 is a 300mA, adjustable and fixed output
voltage, low dropout linear regulator. The device included
pass element, error amplifier, band-gap, current limit and
thermal shutdown circuitry. The device is turned on when
EN pin is set to logic high level.
(Top View)
IN 1
(Top View)
EN 3
4 ADJ
SOT25
(ADJ Output)
(Top View)
EN 1
6 NC
EN 1
GND 2
5 NC
GND 2
IN 3
4 OUT
DFN2020-6
(Fixed Output)
IN 3
6 ADJ
5 NC
4 OUT
DFN2020-6
(ADJ Output)
Applications
Features
300mA Low Dropout Regulator with EN
Very low IQ: 35µA
Wide input voltage range: 2V to 6V
Wide adjustable output: 0.8V to 5.0V
Fixed output options: 0.8V to 3.9V (0.1V step size
possible)
High PSRR: 65dB at 1kHz
Fast start-up time: 220µs
Stable with low ESR, 1µF ceramic output capacitor
Excellent Load/Line Transient Response
Low dropout: 150mV at 300mA
Current limit and short circuit protection
Thermal shutdown protection
Ambient temperature range: -40ºC to 85°C
SOT25, and DFN2020-6: Available in “Green” Molding
Compound (No Br, Sb)
Lead Free Finish/ RoHS Compliant (Note 1)
Note:
4 NC
SOT25
(Fixed Output)
The AP7335 is available in SOT25 and DFN2020-6
packages.
•
5 OUT
IN 1
GND 2
EN 3
This device is available with adjustable output from 0.8V to
5.0V, and fixed version with 0.8V, 1.0V, 1.2V, 1.5V, 1.8V,
2.0V, 2.5V, 2.7V, 2.8V, 3.0V, 3.3V and 3.9V outputs. Please
contact your local sales office for any other voltage options.
•
•
•
•
•
•
•
•
•
5 OUT
GND 2
The characteristics of low dropout voltage and low quiescent
current make it suitable for low power applications, for
example, battery powered devices. The typical quiescent
current is approximately 35μA. Built-in current-limit and
thermal-shutdown functions prevent IC from damage in fault
conditions.
•
•
•
•
•
(Top View)
•
•
•
•
Smart Phones
MP3/MP4
Battery-powered devices
Bluetooth headset
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
AP7335
Document number: DS32259 Rev. 3 - 2
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December 2011
© Diodes Incorporated
AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Typical Application Circuit
V IN
AP7335
1uF
Enable
ADJ
EN
G ND
OUT
AP7335
R1
1uF
Enable
V OUT
IN
O UT
1uF
NEW PRODUCT
V IN
V OUT
IN
1uF
EN
GND
R2
Fixed Output
Adjustable O utput
⎛
R ⎞
VOUT = VREF ⎜⎜1 + 1 ⎟⎟ where R2 ≤ 80KΩ
R
2⎠
⎝
Pin Descriptions
Pin
Name
Pin Number
SOT25
(fixed)
SOT25
(adj)
DFN2020-6
(fixed)
DFN2020-6
(adj)
IN
1
1
3
3
GND
EN
ADJ
NC
2
3
4
2
3
4
-
2
1
5, 6
2
1
6
5
OUT
5
5
4
4
AP7335
Document number: DS32259 Rev. 3 - 2
Description
Voltage input pin. Bypass to ground through at least 1µF
MLCC capacitor
Ground
Enable input, active high
Output feedback pin
No connection
Voltage output pin. Bypass to ground through 1µF MLCC
capacitor
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December 2011
© Diodes Incorporated
AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Functional Block Diagram
IN
OUT
Gate
Driver
EN
Current Limit
and Thermal
Shutdown
IN
OUT
Gate
Driver
EN
R
Current Limit
and Thermal
Shutdown
NEW PRODUCT
ADJ
0.8V
0.8V
R
GND
GND
Adjustable Version
Fixed Version
Absolute Maximum Ratings
Ratings
Unit
ESD HBM
Symbol
Human Body Model ESD Protection
2000
V
ESD MM
Machine Model ESD Protection
200
V
6.5
V
VIN + 0.3
V
VIN
Parameter
Input Voltage
OUT, EN Voltage
Continuous Load Current per Channel
TST
Storage Temperature Range
TJ
Maximum Junction Temperature
Internal Limited
-65 to 150
°C
150
°C
Recommended Operating Conditions
Symbol
VIN
Input voltage
IOUT
Output Current (Note 2)
TA
Note:
Parameter
Operating Ambient Temperature
Min
Max
Unit
2
6
V
0
300
mA
-40
85
°C
2. The device maintains a stable, regulated output voltage without a load current.
AP7335
Document number: DS32259 Rev. 3 - 2
3 of 16
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© Diodes Incorporated
AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Electrical Characteristics
(TA = 25oC, VIN = VOUT +1V, CIN = 1μF, COUT = 1μF, VEN = 2V, unless otherwise stated)
NEW PRODUCT
Symbol
Parameter
Test Conditions
VREF
ADJ Reference Voltage (Adjustable version)
IADJ
ADJ Leakage (Adjustable version)
VOUT
Output Voltage Accuracy
ΔVOUT/
ΔVIN/V
Line Regulation
ΔVOUT/
VOUT
Load Regulation
VDropout Dropout Voltage (Note 3)
Min
IOUT= 0mA
Typ.
IOUT = 10% of IOUT-Max
0.02
VEN = VIN, IOUT = 1mA
IOUT = 1mA to 300mA
1
μA
2
%
0.20
%/V
0.6
%
V
-2
VIN = (VOUT +1V) to VIN-Max,
VIN = (VOUT +1V) to VIN-Max,
Unit
0.8
0.1
TA = -40oC to 85oC,
Max
-0.6
VOUT < 2.5V, IOUT = 300mA
170
300
VOUT ≥ 2.5V, IOUT = 300mA
150
200
35
80
mV
μA
IQ
Input Quiescent Current
VEN = VIN, IOUT = 0mA
ISHDN
Input Shutdown Current
VEN = 0V, IOUT = 0mA
0.1
1
μA
ILEAK
Input Leakage Current
VEN = 0V, OUT grounded
0.1
1
μA
tST
Start-up Time
PSRR
PSRR (Note 4)
ISHORT
Short-circuit Current
VEN = 0V to 2.0V in 1μs,
IOUT = 300mA
VIN = [VOUT +1V]VDC + 0.5VppAC,
f = 1kHz, IOUT = 50mA
220
μs
65
dB
140
mA
600
mA
VIN = VIN-Min to VIN-Max,
VOUT < 0.2V (fixed) or
25% of VOUT (ADJ version)
ILIMIT
Current limit
VIN = VIN-Min to VIN-Max,
VOUT/ROUT = 1.2A
400
VIL
EN Input Logic Low Voltage
VIN = VIN-Min to VIN-Max
VIH
EN Input Logic High Voltage
VIN = VIN-Min to VIN-Max
1.4
IEN
EN Input Current
VIN = 0V or VIN-Max
-1
TSHDN
Thermal shutdown threshold
THYS
Thermal shutdown hysteresis
θJA
Notes:
Thermal Resistance Junction-to-Ambient
0.4
V
V
μA
1
145
°C
15
°C
SOT25 (Note 5)
187
DFN2020-6 (Note 5)
251
o
C/W
3. Dropout voltage is the voltage difference between the input and the output at which the output voltage drops 2% below its nominal value. This
parameter only applies to input voltages above minimum VIN = 2.0V.
4. At VIN < 2.3V, the PSRR performance may be reduced.
5. Test condition for all packages: Device mounted on FR-4 substrate PC board, 1oz copper, with minimum recommended pad layout.
AP7335
Document number: DS32259 Rev. 3 - 2
4 of 16
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December 2011
© Diodes Incorporated
AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
NEW PRODUCT
Typical Performance Characteristics
Start-Up Time
Start-Up Time
VEN=0 to 2V (1V/div)
VIN=5V
CIN=COUT=1μF
VEN=0 to 2V (1V/div)
VIN=5V
CIN=COUT=1μF
VOUT=3.3V (1V/div)
with no load
VOUT=3.3V (1V/div)
with 300mA load
Time (40μs/div)
Time (40μs/div)
Line Transient Response
Line Transient Response
VIN=4.3V to 5.3V (1V/div)
Tr=Tf=2μs
CIN=none, COUT=1μF
VIN=4.3V to 5.3V (1V/div)
Tr=Tf=2μs
CIN=none, COUT=1μF
VOUT=3.3V (20mV/div)
VOUT=3.3V (20mV/div)
IOUT=30mA (50mA/div)
IOUT=300mA(200mA/div)
Time (40μs/div)
AP7335
Document number: DS32259 Rev. 3 - 2
Time (40μs/div)
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AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Typical Performance Characteristics (cont.)
Load Transient Response
Load Transient Response
VOUT=1.8V (100mV/div)
VOUT=1.8V (100mV/div)
NEW PRODUCT
VIN=VEN=2.8V
CIN=COUT=1μF
Tr=Tf=1μs
VIN=VEN=2.8V
CIN=COUT=1μF
Tr=Tf=1μs
IOUT=10mA to 300mA (200mA/div)
IOUT=10mA to 150mA (200mA/div)
Time (100μs/div)
Time (100μs/div)
Load Transient Response
Load Transient Response
VOUT=3.3V (100mV/div)
VOUT=3.3V (100mV/div)
VIN=VEN=4.3V
CIN=COUT=1μF
Tr=Tf=1μs
VIN=VEN=4.3V
CIN=COUT=1μF
Tr=Tf=1μs
IOUT=10mA to 150mA (200mA/div)
IOUT=10mA to 300mA (200mA/div)
Time (100μs/div)
AP7335
Document number: DS32259 Rev. 3 - 2
Time (100μs/div)
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AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Typical Performance Characteristics (cont.)
80
80
70
70
IOUT = 50mA
IOUT = 50mA
60
60
PSRR (dB)
PSRR (dB)
IOUT = 300mA
50
40
VIN = 2.25V + 0.5VppAC
VOUT = 0.8V
CIN = none, COUT = 1µF
TA = 25°C
30
20
50
40
30
20
10
1
10
FREQUENCY (kHz)
PSRR
0
0.1
100
80
80
70
70
IOUT = 50mA
PSRR (dB)
IOUT = 300mA
40
30
20
VIN = 2.8V + 0.5VppAC
VOUT = 1.8V
CIN = none, COUT = 1µF
TA = 25°C
100
IOUT = 50mA
50
40
10
1
10
FREQUENCY (kHz)
PSRR
AP7335
Document number: DS32259 Rev. 3 - 2
100
IOUT = 300mA
30
20
10
0
0.1
1
10
FREQUENCY (kHz)
PSRR
60
60
50
VIN = 2.25V + 0.5VppAC
VOUT = 1.2V
CIN = none, COUT = 1µF
TA = 25°C
10
0
0.1
PSRR (dB)
NEW PRODUCT
IOUT = 300mA
0
0.1
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VIN = 4.3V + 0.5VppAC
VOUT = 3.3V
CIN = none, COUT = 1µF
1
10
FREQUENCY (kHz)
PSRR
100
December 2011
© Diodes Incorporated
AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Typical Performance Characteristics (cont.)
60
TA = 25°C
VOUT = 3.3V
IOUT = 0mA
INPUT QUIESCENT CURRENT (µA)
INPUT QUIESCENT CURRENT (µA)
50
40
30
20
10
0
4
VIN = VEN = 4.3V
VOUT = 3.3V
IOUT = 0mA
50
40
30
20
10
0
-50
4.5
5
5.5
6
INPUT VOLTAGE (V)
Input Quiescent Current vs. Input Voltage
-25
0
25
50
75 100 125
TEMPERATURE (°C)
Input Quiescent Current vs. Temperature
60
0.2
OUTPUT VARIATION (%/A)
VIN = VEN = 4.3V
VOUT = 3.3V
OUTPUT VARIATION (%)
NEW PRODUCT
60
0.1
-45°C
0.0
25°C
-0.1
90°C
50
90°C
-45°C
30
25°C
20
VOUT = 3.3V
IOUT = 1mA
-0.2
0
50
100
150
200
250
300
OUTPUT CURRENT (mA)
Load Regulation
AP7335
Document number: DS32259 Rev. 3 - 2
8 of 16
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0
4
4.5
5
5.5
INPUT VOLTAGE (V)
Line Regulation
6
December 2011
© Diodes Incorporated
AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Typical Performance Characteristics (cont.)
250
250
DROPOUT VOLTAGE (mV)
DROPOUT VOLTAGE (mV)
VOUT = 3.3V
200
90°C
150
25°C
100
-45°C
50
200
90°C
150
25°C
100
50
-45°C
0
0
0
50
100
150
200
250
300
OUTPUT CURRENT (mA)
Dropout Voltage vs. Output Current
0
VIN = 4.3V
IOUT = 0mA
SHORT - CIRCUIT CURRENT (mA)
ADJ REFERENCE VOLTAGE (V)
50
100
150
200
250
300
OUTPUT CURRENT (mA)
Dropout Voltage vs. Output Current
160
0.82
0.81
0.80
0.79
0.78
-50
-25
0
25
50
75 100 125
TEMPERATURE (°C)
ADJ Reference Voltage vs. Temperature
VIN = 4.3V
150
140
130
120
-50
-25
0
25
50
75 100 125
TEMPERATURE (°C)
Short - Circuit Current vs. Temperature
700
675
CURRENT LIMIT (mA)
NEW PRODUCT
VOUT = 1.8V
VIN = 4.3V
VOUT = 3.3V
650
625
600
575
550
-50
-25
0
25
50
75 100
TEMPERATURE (°C)
Current Limit vs. Temperature
AP7335
Document number: DS32259 Rev. 3 - 2
125
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AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Application Notes
Input Capacitor
The output voltage is calculated by:
⎛
R ⎞
VOUT = VREF ⎜⎜1 + 1 ⎟⎟
R
2⎠
⎝
Where VREF=0.8V (the internal reference voltage)
Rearranging the equation will give the following that is
used for adjusting the output to a particular voltage:
⎛V
⎞
R1 = R2 ⎜⎜ OUT − 1⎟⎟
⎝ VREF
⎠
Output Capacitor
The output capacitor is required to stabilize and improve
the transient response of the LDO. The AP7335 is stable
with very small ceramic output capacitors. Using a
ceramic capacitor value that is at least 1μF with ESR >
15mΩ on the output ensures stability. Higher capacitance
values help to improve line and load transient response.
The output capacitance may be increased to keep low
undershoot and overshoot. Output capacitor must be
placed as close as possible to OUT and GND pins.
To maintain the stability of the internal reference voltage,
R2 need to be kept smaller than 80kΩ.
No Load Stability
Other than external resistor divider, no minimum load is
required to keep the device stable. The device will
remain stable and regulated in no load condition.
ON/OFF Input Operation
100
The AP7335 is turned on by setting the EN pin high, and
is turned off by pulling it low. If this feature is not used,
the EN pin should be tied to IN pin to keep the regulator
output on at all time. To ensure proper operation, the
signal source used to drive the EN pin must be able to
swing above and below the specified turn-on/off voltage
thresholds listed in the Electrical Characteristics section
under VIL and VIH.
Unstable Range
10
COUT ESR (Ω)
NEW PRODUCT
A 1μF ceramic capacitor is recommended between IN and
GND pins to decouple input power supply glitch and
noise. The amount of the capacitance may be increased
without limit. This input capacitor must be located as close
as possible to the device to assure input stability and
reduce noise. For PCB layout, a wide copper trace is
required for both IN and GND pins. A lower ESR capacitor
type allows the use of less capacitance, while higher ESR
type requires more capacitance.
1
VIN = 4.3V
C IN = C OUT = 1µF
Stable
0.1
Current Limit Protection
When output current at OUT pin is higher than current
limit threshold, the current limit protection will be
triggered and clamp the output current to approximately
600mA to prevent over-current and to protect the
regulator from damage due to overheating.
0.01
Unstable Range
0.001
0
50
100
150
200
250
300
LOAD CURRENT (mA)
Region of Stable COUT ESR vs. Load Current
Adjustable Operation
The AP7335 provides output voltage from 0.8V to 5.0V
through external resistor divider as shown below.
V IN
OUT
A P 7335
R1
1u F
1u F
E n ab le
ADJ
EN
GND
AP7335
Document number: DS32259 Rev. 3 - 2
R2
When OUT pin is short-circuit to GND, short circuit
protection will be triggered and clamp the output current
to approximately 140mA. This feature protects the
regulator from over-current and damage due to
overheating.
Thermal Shutdown Protection
V OUT
IN
Short Circuit Protection
Thermal protection disables the output when the junction
temperature rises to approximately +145°C, allowing the
device to cool down. When the junction temperature
reduces to approximately +130°C the output circuitry is
enabled again. Depending on power dissipation,
thermal resistance, and ambient temperature, the
thermal protection circuit may cycle on and off.
This cycling limits the heat dissipation of the regulator,
protecting it from damage due to overheating.
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© Diodes Incorporated
AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Application Notes
Ultra Fast Start-up
Low Quiescent Current
After enabled, the AP7335 is able to provide full power in
as little as tens of microseconds, typically 220µs, without
sacrificing low ground current. This feature will help load
circuitry move in and out of standby mode in real time,
eventually extend battery life for mobile phones and
other portable devices.
The AP7335, consuming only around 35µA for all input
range, provides great power saving in portable and low
power applications.
NEW PRODUCT
Fast Transient Response
Fast transient response LDO can extend battery life.
TDMA-based cell phone protocols such as Global
System for Mobile Communications (GSM) have a
transmit/receive duty factor of only 12.5 percent,
enabling power savings by putting much of the
baseband circuitry into standby mode in between
transmit cycles. In baseband circuits, the load often
transitions virtually instantaneously from 100µA to
100mA. To meet this load requirement, the LDO must
react very quickly without a large voltage drop or
overshoot — a requirement that cannot be met with
conventional, general-purpose LDO.
The AP7335’s fast transient response from 0 to 300mA
provides stable voltage supply for fast DSP and GSM
chipset with fast changing load.
Wide Output Range
The AP7335, with a wide output range of 0.8V to 5.0V,
provides a versatile LDO solution for many portable
applications.
Power Dissipation
The device power dissipation and proper sizing of the
thermal plane that is connected to the thermal pad is
critical to avoid thermal shutdown and ensure reliable
operation. Power dissipation of the device depends on
input voltage and load conditions and can be calculated
by:
PD = (VIN - VOUT) X IOUT
The maximum power dissipation, handled by the device,
depends on the maximum junction to ambient thermal
resistance, maximum ambient temperature, and
maximum device junction temperature, which can be
calculated by the equation in the following:
PD ([email protected]) =
AP7335
Document number: DS32259 Rev. 3 - 2
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( +145°C - TA )
R θJA
December 2011
© Diodes Incorporated
AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Ordering Information
NEW PRODUCT
AP7335 - XX XX G - X
Output
Package
Green
Packing
Blank : ADJ
08 : 0.8V
10 : 1.0V
12 : 1.2V
15 : 1.5V
18 : 1.8V
20 : 2.0V
25 : 2.5V
27 : 2.7V
28 : 2.8V
30 : 3.0V
33 : 3.3V
39 : 3.9V
W : SOT25
SN : DFN2020-6
G : Green
7 : Tape & Reel
Device
Package Code
Packaging
(Note 6)
AP7335-XXWG-7
AP7335-XXSNG-7
W
SN
SOT25
DFN2020-6
Note:
7”/13” Tape and Reel
Quantity
Part Number Suffix
3000/Tape & Reel
3000/Tape & Reel
-7
-7
6. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
AP7335
Document number: DS32259 Rev. 3 - 2
12 of 16
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December 2011
© Diodes Incorporated
AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Marking Information
(1) SOT25
7
( Top View )
5
4
XX Y W X
NEW PRODUCT
1
2
3
XX : Identification code
Y : Year 0~9
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
X : A~Z : Green
Device
Package
Identification Code
AP7335-ADJ
AP7335-08
AP7335-10
AP7335-12
AP7335-15
AP7335-18
AP7335-20
AP7335-25
AP7335-27
AP7335-28
AP7335-30
AP7335-33
AP7335-39
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25
ZA
ZB
ZC
ZD
ZE
ZF
ZG
ZH
ZI
ZJ
ZK
ZM
ZN
(2) DFN2020-6
( Top View )
XX
Y WX
AP7335
Document number: DS32259 Rev. 3 - 2
XX : Identification Code
Y : Year : 0~9
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
X : A~Z : Green
Device
Package
Identification Code
AP7335-ADJ
AP7335-08
AP7335-10
AP7335-12
AP7335-15
AP7335-18
AP7335-20
AP7335-25
AP7335-27
AP7335-28
AP7335-30
AP7335-33
AP7335-39
DFN2020-6
DFN2020-6
DFN2020-6
DFN2020-6
DFN2020-6
DFN2020-6
DFN2020-6
DFN2020-6
DFN2020-6
DFN2020-6
DFN2020-6
DFN2020-6
DFN2020-6
ZA
ZB
ZC
ZD
ZE
ZF
ZG
ZH
ZI
ZJ
ZK
ZM
ZN
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December 2011
© Diodes Incorporated
AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Package Outline Dimensions
NEW PRODUCT
(1) Package Type: SOT25
0.57/0.63
(2) Package Type: DFN2020-6
Marking
0.15max.
0.05 C
0.15 C
B
Seating plane
C
Top View
0.65
0.37
1.95/2.075
1.45/1.65
0.15
2x
0/0.05
0.08 C
A
0.15 C
0.65nom.
CL
0.2/0.3
Bottom View
AP7335
Document number: DS32259 Rev. 3 - 2
0.37
0.9
CL
0.15
0.30/0.40
CL
1
R0.
2x-
0.76/0.96
1.95/2.075
Pin#1 ID
0.45
CL
1.67
0.05 M C A B
Land Pattern Recommendation
(Unit:mm)
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© Diodes Incorporated
AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Taping Orientation (Note 7)
NEW PRODUCT
For DFN2020-6
Note:
7. The taping orientation of the other package type can be found on our website at http://www.diodes.com/datasheets/ap02007.pdf.
AP7335
Document number: DS32259 Rev. 3 - 2
15 of 16
www.diodes.com
December 2011
© Diodes Incorporated
AP7335
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS
DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
NEW PRODUCT
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other
changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability
arising out of the application or use of this document or any product described herein; neither does Diodes Incorporated convey any
license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or products described
herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies
whose products are represented on Diodes Incorporated website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized
sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall
indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names
and markings noted herein may also be covered by one or more United States, international or foreign trademarks.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without
the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided
in the labeling can be reasonably expected to result in significant injury to the user.
B.
A critical component is any component in a life support device or system whose failure to perform can be reasonably expected
to cause the failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or
systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements
concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems,
notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further,
Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes
Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2011, Diodes Incorporated
www.diodes.com
AP7335
Document number: DS32259 Rev. 3 - 2
16 of 16
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December 2011
© Diodes Incorporated