VOLTAGE REGULATOR. S-816 Datasheet

S-816 REGULATOR. Datasheet pdf. Equivalent

Part S-816
Description CMOS VOLTAGE REGULATOR
Feature S-816 Series www.ablicinc.com © ABLIC Inc., 1996-2014 EXTERNAL TRANSISTOR TYPE CMOS VOLTAGE REGULA.
Manufacture ABLIC
Datasheet
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S-816
S-816 Series
www.ablicinc.com
© ABLIC Inc., 1996-2014
EXTERNAL TRANSISTOR TYPE
CMOS VOLTAGE REGULATOR
Rev.6.1_02
The S-816 Series, developed using the CMOS technology, is an external transistor type positive voltage
regulator which incorporates an overcurrent protection circuit and an ON/OFF circuit. A low drop-out type
regulator with an output current ranging from several hundreds of mA to 1 A can be configured with the PNP
transistor driven by this IC.
Despite the features of the S-816 Series, which is low current consumption, the improvement in its transient
response characteristics of the IC with a newly deviced phase compensation circuit made it possible to employ
the products of the S-816 Series even in applications where heavy input variation or load variation is
experienced.
The S-816 Series regulator serves as an ideal power supply unit for portable devices when coupled with the
small SOT-23-5 package, providing numerous outstanding features, including low current consumption. Since
the S-816 Series can accommodate an input voltage of up to 16 V, it is also suitable when operating via an AC
adapter.
Features
Output voltage:
2.5 V to 6.0 V, selectable in 0.1 V step
Input voltage:
16 V max.
Output voltage accuracy:
2.0%
Current consumption:
During operation:
30 A typ., 40 A max.
During power-off:
1 A max.
Built-in overcurrent (base current) protection circuit
Built-in ON/OFF circuit:
Ensures long battery life.
Built-in current source (10 A):
No need for a base-emitter resistance.
Operation temperature range:
Ta =40C to 85C
Lead-free, Sn 100%, halogen-free*1
*1. Refer to “Product Name Structure” for details.
Applications
Power supply for on-board such as battery device for portable telephone, electronic notebook, PDA
Constant voltage power supply for camera, video equipment and portable communication equipment
Power supply for CPU
Post-regulator for switching regulator
Main regulator in multiple-power supply system
Package
SOT-23-5
1



S-816
EXTERNAL TRANSISTOR TYPE CMOS VOLTAGE REGULATOR
S-816 Series
Rev.6.1_02
Block Diagram
ON/OFF
VIN EXT
Current Source
Pull-Up
Reisitance
Overcurrent
Protection
Circuit
Error Sink
Vref
Amplifier
Driver
VOUT
VSS
Remark 1. To ensure you power cutoff of the external transistor when the device is powered down, the
EXT output is pulled up to VIN by a pull-up resistance (approx. 0.5 M) inside the IC.
2. The diode inside the IC is a parasitic diode.
Figure 1
2





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