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PDF AP2132B Data sheet ( Hoja de datos )
| Número de pieza | AP2132B | |
| Descripción | 2A CMOS LDO REGULATOR | |
| Fabricantes | BCD | |
| Logotipo |  |
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2A CMOS LDO REGULATOR
Data Sheet
AP2132B
General Description
The AP2132B series are positive voltage regulator
ICs fabricated by CMOS process. The ICs consist of
a voltage reference, an error amplifier, a power
transistor, a resistor network for setting output
voltage, a current limit circuit for current protection,
and a chip enable circuit.
The AP2132B series have features of large current,
low dropout voltage, high output voltage accuracy,
low input voltage. The AP2132B provides a power
good (PG) signal to indicate if the voltage level of
VOUT reaches 92% of its rating value. And it operates
with VIN as low as 1.4V and VCTRL voltage 5V with
output voltage programmable as low as 0.8V.
The AP2132B are available in 1.2V, 1.5V, 1.8V, 2.5V
fixed output voltage versions and adjustable output
voltage version. The fixed versions integrate the
adjust resistors. It is also available in an adjustable
version, which can set the output voltage with
external resistor. If the pin of adjustable output
voltage is to ground, it will switch to fixed output
voltage.
AP2132B series are available in PSOP-8 package.
Features
• Adjustable Output: 0.8V to 3.0V
• Low Dropout Voltage: 300mV@ IOUT=2A,
VOUT=1.2V
• Over Current and Over Temperature Protection
• Enable Pin
• PSOP-8 Package with Thermal Pad
• Maximum Output Current: 2A
• High Output Voltage Accuracy: 2%
• VOUT Power Good Signal
• Excellent Line/Load Regulation
Applications
• Notebook
Oct. 2012 Rev. 1. 1
PSOP-8
Figure 1. Package Type of AP2132B
BCD Semiconductor Manufacturing Limited
1
1 page  
2A CMOS LDO REGULATOR
Absolute Maximum Ratings (Note 1)
Data Sheet
AP2132B
Parameter
Input Voltage
Input Voltage for Controlling Circuit
Enable Input Voltage
Output Current
Thermal Resistance (Note 2)
Operating Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10sec)
ESD (Machine Model)
ESD (Human Body Model)
Symbol
VIN
VCTRL
VEN
IOUT
θJA
TJ
TSTG
TLEAD
Value
6.0
-0.3 to 6.0
2.5
53
150
-65 to 150
260
200
2000
Unit
V
V
A
ºC/W
ºC
ºC
ºC
V
V
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.
Note 2: θJA is measured with the component mounted on 2-Layer FR-4 PCB board with 1.0cm*1.0cm thermal
sink pad in free air.
Recommended Operating Conditions
Parameter
Input Voltage
Input Voltage for Controlling
Circuit
Operating Ambient Temperature
Range
Symbol
VIN
VCTRL
TA
Min
1.4
4.5
-40
Max
5.5
5.5
85
Unit
V
V
°C
Oct. 2012 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
5
5 Page 
2A CMOS LDO REGULATOR
Typical Application
VCTRL
VIN
VOUT
R1
CCTRL
1F
C1
10 F
C2
10 F
R2
VCTRL
EN
VIN
VOUT
ADJ
Data Sheet
AP2132B
10k
PG
VIN
GND
VOUT
=0.8
(R1+R2)
R2
Figure 20. Typical Application of AP2132B for Adjustable Version
Figure 21. Typical Application of AP2132B for Fixed Version
Oct. 2012 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet AP2132B.PDF ] | |
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