BCD AZ39151D4-3.3TRG1 1.5a ultra low dropout linear regulator Datasheet

Data sheet
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
AZ39151
General Description
Features
The AZ39151 is a 1.5A, high accuracy linear voltage
regulator. It features 375mV dropout voltage at 1.5A
output current and low ground current over all operating conditions .
·
·
Minimum Guaranteed Output Current: 1.5A
Low Dropout Voltage: 375mV at IOUT=1.5A
·
·
·
·
Output Accuracy: ±1%
Low Ground Current
Internal Current and Thermal Limit
Reversed-battery and Reversed-lead Insertion
Protection
Fast Transient Response
TTL/CMOS Compatible Enable Pin
The AZ39151 is specifically designed for low voltage,
high current output systems, such as PC add-in cards
where their tiny dropout voltage and ground current
values are important attributes.
·
·
The AZ39151 has 3.3V and 5.0V versions.
Applications
The AZ39151 is available in TO-252-4 (PPAK) package.
·
·
·
·
·
·
Set-top Box
Hi-end DVD Player/Recorder
LCD TV/PDP
LDO Linear Regulator for PC Add-in Cards
High Efficiency Linear Power Supplies
SMPS Post Regulator
TO-252-4 (PPAK)
Figure 1. Package Type of AZ39151
Jan. 2011 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
1
Data sheet
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
AZ39151
Pin Configuration
D4 Package
TO-252-4 (PPAK)
5
NC
4
VOUT
3
GND
2
VIN
1
EN
Figure 2. Pin Configuration of AZ39151 (Top View)
Pin Description
Pin Number
Pin Name
Function
1
EN
Enable: TTL/CMOS compatible input. Logic high=enable;
Logic low or open=shutdown
2
VIN
Unregulated input
3
GND
Ground pin. This pin and TAB are internally connected
4
VOUT
5
NC
Regulated output
No connection
Jan. 2011 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
2
Data sheet
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
AZ39151
Functional Block Diagram
VIN
2
4
VOUT
O.V.
ILIMIT
Reference
EN
1
Thermal
Shutdown
3
GND
Figure 3. Functional Block Diagram of AZ39151
BCD Semiconductor Manufacturing Limited
Jan. 2011 Rev. 1. 8
3
Data sheet
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
AZ39151
Ordering Information
AZ39151
E1: Lead Free
G1: Green
Circuit Type
TR: Tape and Reel
Blank: Tube
Package
D4: TO-252-4 (PPAK)
Package
TO-252-4
(PPAK)
Temperature
Range
-40 to 125oC
3.3: Fixed Output 3.3V
5.0: Fixed Output 5.0V
Part Number
Lead Free
Marking ID
Green
Packing
Type
Lead Free
Green
AZ39151D4-3.3E1
AZ39151D4-3.3G1
AZ39151D4-3.3E1
AZ39151D4-3.3G1
Tube
AZ39151D4-3.3TRE1
AZ39151D4-3.3TRG1
AZ39151D4-3.3E1
AZ39151D4-3.3G1
Tape & Reel
AZ39151D4-5.0E1
AZ39151D4-5.0G1
AZ39151D4-5.0E1
AZ39151D4-5.0G1
Tube
AZ39151D4-5.0TRE1
AZ39151D4-5.0TRG1
AZ39151D4-5.0E1
AZ39151D4-5.0G1
Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with
"G1" suffix are available in green packages.
Jan. 2011 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
4
Data sheet
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
AZ39151
Absolute Maximum Ratings (Note 1)
Symbol
Value
Unit
Input Voltage
VIN
15
V
Enable Voltage
VEN
15
V
TJ
150
o
C
TSTG
-65 to 150
o
C
TLEAD
260
oC
ESD (Human Body Model)
ESD
5000
V
ESD (Machine Model)
ESD
450
V
θJA
TO-252-4 (PPAK)
Parameter
Operating Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10sec)
Thermal Resistance
100
o
C/W
Note 1: Stresses greater than 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 Ratings" for extended periods
may affect device reliability.
Recommended Operating Conditions
Parameter
Symbol
Min
Max
Unit
Input Voltage
VIN
13.5
V
Enable Voltage
VEN
13.5
V
125
oC
Operating Junction Temperature
TJ
-40
BCD Semiconductor Manufacturing Limited
Jan. 2011 Rev. 1. 8
5
Data sheet
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
AZ39151
Electrical Characteristics
Operating Conditions: VIN=VOUT+1V, IOUT=10mA, CIN=10µF, COUT=10µF, TJ=25oC, unless otherwise specified. The Boldface applies over -40oC≤TJ≤125oC.
Parameter
Symbol
Conditions
Min
Typ
Max
-1
1
-2
2
Unit
Output Voltage
VOUT
10mA≤IOUT≤1.5A,
VOUT+1V≤VIN≤13.5V
Line Regulation
VRLINE
VOUT+1V≤VIN≤13.5V
3
25
mV
Load Regulation
VRLOAD
10mA≤IOUT≤1.5A
10
50
mV
∆VOUT/∆T
100
500
µV/oC
(∆VOUT/VOUT)/∆T
20
100
ppm/oC
IOUT=100mA
80
200
mV
IOUT=750mA
260
IOUT=1.5A
375
700
mV
IOUT=750mA
5
10
mA
IOUT=1.5A
17
34
mA
VIN=13.5V, VEN=0V
130
220
µA
Output Voltage
Temperature Coefficient
(Note 2)
Dropout Voltage (Note 3)
Ground Current
Standby Current
Dropout Ground Pin Current
Short Circuit Current
VDROP
IGND
ISTD
IGND(DO)
ISHORT
Output Noise Voltage (rms)
Minimum Load Current
Power Supply Ripple Rejection
∆VOUT=1%
VIN≤VOUT(NOMINAL)-0.5V
10Hz
to
IOUT=100mA
100kHz,
mA
2.8
A
200
µV
ILOAD (MIN)
PSRR
mV
5
VOUT=0V
5
f=120Hz, IOUT=750mA
49
%
65
mA
dB
Enable Input
Enable Voltage
VEN
Enable Current
IEN
Shutdown Output Current
IOUT (SHDN)
Logic low (off)
0.8
Logic high (on)
2.25
VEN=VIN
15
VEN=0.8V
VEN≤0.8V,
VOUT=0V
35
V
µA
4
VIN≤8V,
5
10
µA
Note 2: Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature
range.
Note 3: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value
which is measured at VOUT+1V applied to VIN.
Jan. 2011 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
6
Data sheet
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
AZ39151
Typical Performance Characteristics
500
700
450
650
600
550
350
Dropout Voltage (mV)
Dropout Voltage (mV)
400
300
250
200
150
VIN=6V
100
500
450
400
350
300
250
o
TJ=25 C
50
0
VOUT=VOUT(NOMINAL)x99%
200
IOUT=1.5A
150
0
250
500
750
1000
1250
100
1500
-25
0
75
100
125
Figure 5. Dropout Voltage vs. Junction Temperature
5.5
45
5.0
40
VEN=3.3V
o
4.5
TJ=25 C
Ground Current (mA)
35
4.0
Output Voltage (V)
50
o
Figure 4. Dropout Voltage vs. Output Current
3.5
10mA
1500mA
3.0
2.5
2.0
1.5
VEN=2.5V
1.0
TJ=25 C
30
2
4
6
8
10
IOUT=750mA
IOUT=1500mA
20
15
5
0
0
IOUT=10mA
25
10
o
0.5
0.0
25
Junction Temperature ( C)
Output Current (mA)
12
0
2
4
6
8
10
12
Input Voltage (V)
Input Voltage (V)
Figure 7. Ground Current vs. Input Voltage
Figure 6. Output Voltage vs. Input Voltage
BCD Semiconductor Manufacturing Limited
Jan. 2011 Rev. 1. 8
7
Data sheet
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
AZ39151
27
2.50
24
2.25
21
2.00
18
1.75
Ground Current (mA)
Ground Current (mA)
Typical Performance Characteristics (Continued)
15
12
9
6
VIN=6V
3
o
TJ=25 C
0
-3
0
200
400
600
800
1000
1200
1.50
1.25
1.00
0.75
0.50
VIN=VEN=6V
0.25
IOUT=10mA
0.00
-40
1400
-20
0
60
80
100
120
Figure 9. Ground Current vs. Junction Temperature
25
11
VIN=VEN=6V
10
VIN=VEN=6V
24
IOUT=1.5A
IOUT=750mA
Ground Current (mA)
Ground Current (mA)
40
o
Figure 8. Ground Current vs. Output Current
9
8
7
6
5
-40
20
Junction Temperature ( C)
Output Current (mA)
23
22
21
20
19
-20
0
20
40
60
80
100
18
-40
120
-20
0
20
40
60
80
100
120
o
Junction Temperature ( C)
o
Junction Temperature ( C)
Figure 10. Ground Current vs. Junction Temperature
Jan. 2011 Rev. 1. 8
Figure 11. Ground Current vs. Junction Temperature
BCD Semiconductor Manufacturing Limited
8
Data sheet
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
AZ39151
4.5
5.010
4.0
5.005
3.5
5.000
Output Voltage (V)
Short Circuit Current (A)
Typical Performance Characteristics (Continued)
3.0
2.5
2.0
4.990
4.985
4.980
1.5
VIN=VEN=6V
1.0
0.5
4.995
VIN=VEN=6V
IOUT=10mA
4.975
4.970
-25
0
25
50
75
100
-25
125
25
50
75
100
125
o
Junction Temperature ( C)
Figure 12. Short Circuit Current vs. Junction Temperature
Figure 13. Output Voltage vs. Junction Temperature
4
20
∆VIN (2V/Div)
18
16
14
12
2
0
-2
10
∆VOUT (100mV/Div)
Enable Current (µA)
0
Junction Temperature ( C)
o
8
6
VIN=VEN=6V
4
IOUT=10mA
2
0
-25
0
25
50
75
100
100
0
-100
-200
125
o
Junction Temperature ( C)
Time (10µs/Div)
Figure 15. Line Transient
Figure 14. Enable Current vs. Junction Temperature
(Conditions: VIN=5 to 7V, IOUT=1.5A, COUT=10µF)
BCD Semiconductor Manufacturing Limited
Jan. 2011 Rev. 1. 8
9
Data sheet
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
AZ39151
IOUT (1A/Div)
1.5
80
1
70
0.5
60
0
50
PSRR (dB)
∆VOUT (0.5V/Div)
Typical Performance Characteristics (Continued)
2
30
20
1
10
0
-1
40
0
10
10mA
100
1k
10k
100k
Frequency (Hz)
Time (200µs/Div)
Figure 16. Load Transient
Figure 17. PSRR vs. Frequency
(Conditions: VIN=6V, IOUT=10mA to 1.5A, CIN=COUT=10µF)
(Conditions: VIN=6V, IOUT=10mA, CIN=COUT=10µF)
25
Package: TO-252-4 (PPAK)
2
Heatsink Size: 45*45mm
Power Dissipation (W)
20
15
10
5
0
-25
0
25
50
75
100
125
o
Case Temperature ( C)
Figure 18. Power Dissipation vs. Case Temperature
Jan. 2011 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
10
Data sheet
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
AZ39151
Typical Application
2
VIN=6V
1
CIN
10µF
+
VEN=2.25V
VIN
EN
VOUT
AZ39151
NC
4
VOUT=5V
5
GND
+ C
OUT
10µF
3
Figure 19. Typical Application of AZ39151
BCD Semiconductor Manufacturing Limited
Jan. 2011 Rev. 1. 8
11
Data sheet
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
AZ39151
Mechanical Dimensions
Unit: mm(inch)
6.400(0.252)
6.600(0.260)
2.200(0.087)
2.400(0.094)
5.700(0.224)
5.900(0.232)
0.950(0.037)
1.450(0.057)
9.250(0.364)
0.800(0.031)
1.000(0.039)
9.750(0.384)
0.460(0.018)
0.560(0.022)
5.200(0.205)
5.400(0.213)
5.400(0.213)
5.600(0.220)
1.300(0.051)
1.500(0.059)
TO-252-4(PPAK)
0.450(0.018)
0.550(0.022)
2.440(0.096)
2.640(0.104)
0.460(0.018)
0.560(0.022)
4.980(0.196)
5.180(0.204)
Jan. 2011 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
12
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