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AP2112 Datasheet

600mA CMOS LDO REGULATOR

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AP2112
600mA CMOS LDO REGULATOR WITH ENABLE
Description
The AP2112 is CMOS process low dropout linear regulator with
enable function, the regulator delivers a guaranteed 600mA (min.)
continuous load current.
The AP2112 is available with a fixed output voltage of 1.2V, 1.8V,
2.5V, 2.6V, or 3.3V. The LDO has an output accuracy of ±1.5% and a
very fast loop response providing excellent performance for dealing
with line and load transients. The AP2112 includes an auto discharge
function which connects the output to ground via 60of resistance
when the device is disabled.
The regulator features low power consumption, and provides SOT25,
SOT89-5, and SO-8 packages. Previously SOT-23-5, SOT-89-5 and
SOIC-8 packages were respectively identified as SOT23-5, SOT89-5
and SO-8 but have been renamed to match the latest Diodes
Incorporateds nomenclature.
Pin Assignments
(Top View)
(Top View)
VIN 1
GND 2
EN 3
5 VOUT VOUT 1
NC 2
4 NC
NC 3
NC 4
8 VIN
7 GND
6 GND
5 EN
SOT25
(Top View)
VOUT
VIN
5
4
SO-8
(Top View)
VOUT
VIN
5
4
Features
 Output Voltage Accuracy: ±1.5%
 Output Current: 600mA (Min.)
 Foldback Short Current Protection: 50mA
 Enable Function to Turn ON/OFF VOUT
 Low Dropout Voltage (3.3V): 250mV (Typ.) @IOUT = 600mA
 Excellent Load Regulation: 0.2%/A (Typ.)
 Excellent Line Regulation: 0.02%/V (Typ.)
 Low Quiescent Current: 55µA (Typ.)
 Low Standby Current: 0.01µA (Typ.)
 Low Output Noise: 50µVRMS
 PSRR: 100Hz -65dB, 1kHz -65dB
 OTSD Protection
 Stable with 1.0µF Flexible Cap: Ceramic, Tantalum and
Aluminum Electrolytic
 Operation Temperature Range: -40°C to +85°C
 ESD: MM 400V, HBM 4000V
 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
 Halogen and Antimony Free. “Green” Device (Note 3)
Applications
 Laptop Computer
 LCD Monitor
 Portable DVD
1
2
3
1
2
3
NC GND EN
EN GND NC
(R5 Package)
(R5A Package)
SOT89-5 (Option 1)
(Top View)
(Top View)
VOUT
VIN
5
4
VOUT
VIN
5
4
1
2
3
NC GND EN
1
2
3
EN GND NC
(R5 Package)
(R5A Package)
SOT89-5 (Option 2)
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated‘s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green‖ products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
AP2112
Document number: DS39724 Rev. 2 - 2
1 of 18
www.diodes.com
June 2017
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

AP2112 Datasheet

600mA CMOS LDO REGULATOR

No Preview Available !

Typical Applications Circuit (Note 4)
VIN
CIN
VIN
VOUT
1mF
AP2112
VEN
ON
OFF
GND
VOUT 1.2V/1.8V/
2.5V/2.6V/
3.3V
COUT
1mF
AP2112
Note 4: It is recommended to use X7R or X5R dielectric capacitor if 1.0µF ceramic capacitor is selected as input/output capacitors.
Pin Descriptions
SOT25
1
2
3
5
Pin Number
SOT89-5
4
2
3 (R5)
1 (R5A)
1 (R5)
3 (R5A)
5
SO-8
8
6, 7
5
2, 3, 4
1
Pin Name
VIN
GND
EN
Function
Input Voltage
GND
Chip Enable, H normal work, L shutdown output
NC
VOUT
No Connection
Output Voltage
Functional Block Diagram
3(1){5}[3]
EN
Shutdown Logic
4(4){8}[1]
VIN
Thermal
Shutdown
3M
Foldback
Current Limit
5(5){1}[5]
VOUT
A (B){C}[D]
A: SOT89-5 (R5)
B: SOT89-5 (R5A)
C: SO-8
D: SOT25
GND
2(2){6,7}[2]
AP2112
Document number: DS39724 Rev. 2 - 2
VREF
2 of 18
www.diodes.com
June 2017
© Diodes Incorporated


Part Number AP2112
Description 600mA CMOS LDO REGULATOR
Maker DIODES
PDF Download

AP2112 Datasheet PDF






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