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PDF AZ39151 Data sheet ( Hoja de datos )
| Número de pieza | AZ39151 | |
| Descripción | 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR | |
| Fabricantes | BCD Semiconductor | |
| Logotipo |  |
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Data sheet
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
General Description
Features
AZ39151
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 operat-
ing conditions .
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 fixed 3.3V, 5.0V versions and
ADJ(1.25V) version.
· 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
Applications
The AZ39151 is available in TO-252-4 (PPAK) (for
fixed versions) and TO-252-5 (for adjustable version) · Set-top Box
packages.
· 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)
TO-252-5
Dec. 2011 Rev. 1. 9
Figure 1. Package Types of AZ39151
BCD Semiconductor Manufacturing Limited
1
1 page  
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
Absolute Maximum Ratings (Note 1)
Data sheet
AZ39151
Parameter
Input Voltage
Enable Voltage
Operating Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10sec)
ESD (Human Body Model)
ESD (Machine Model)
Thermal Resistance
Symbol
VIN
VEN
TJ
TSTG
TLEAD
ESD
ESD
θJA
Value
15
15
150
-65 to 150
260
5000
450
TO-252-4 (PPAK)
TO-252-5
100
100
Unit
V
V
oC
oC
oC
V
V
oC/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
Input Voltage
Enable Voltage
Operating Junction Temperature
Symbol Min Max
VIN 13.5
VEN 13.5
TJ -40 125
Unit
V
V
oC
Dec. 2011 Rev. 1. 9
BCD Semiconductor Manufacturing Limited
5
5 Page 
1.5A ULTRA LOW DROPOUT LINEAR REGULATOR
Typical Application
VIN
CIN
10µF
VEN
+
2 VIN
VOUT
1 EN AZ39151 NC
GND
3
4
5
Data sheet
AZ39151
VOUT
+ COUT
10µF
Fixed Version
VIN
CIN
10µF
VEN
+
2 VIN
VOUT 4
1 EN
AZ39151
ADJ
GND
3
5
VOUT
R1
+ COUT
R2 10µF
VOUT=1.25*(1+R1/R2) V
Adjustable Version
Figure 19. Typical Application of AZ39151
Dec. 2011 Rev. 1. 9
BCD Semiconductor Manufacturing Limited
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet AZ39151.PDF ] | |
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