AS1356 austriamicrosystems AG, AS1356 Datasheet
AS1356
Manufacturer Part Number
AS1356
Description
(AS1353 / AS1356) Linear Low-Dropout 150mA Voltage Regulators
Manufacturer
austriamicrosystems AG
Datasheet
1.AS1356.pdf
(2 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
AS1356-25-T
Manufacturer:
AUSTRIAMI
Quantity:
20 000
Part Number:
AS1356-27-T
Manufacturer:
AUSTRIAMICROSYSTEMS
Quantity:
20 000
Part Number:
AS1356-33-T
Manufacturer:
AUSTRIAMICROSYSTEMS
Quantity:
20 000
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A S 1 3 5 3
L i n e a r L o w - D r o p o u t 1 5 0 m A Vo l ta g e R e g u l a t o r s
1 General Description
The AS1353/AS1356 are high-performance, fixed-volt-
age linear LDOs designed for use with capacitors of 1 to
10µF. The devices can deliver superior performance
even under low dropout conditions when the power tran-
sistor operates in linear mode.
The integrated P-channel MOSFET output allows the
devices to maintain a low supply-current at loads of up
to150mA. A shutdown mode includes logic-controlled
circuitry which reduces shutdown current to less than
1µA (max).
Integrated over-temperature and over-current protec-
tion circuitry switches the devices off in case of thermal
overload or output short-circuit conditions.
The AS1353/AS1356 are optimized for low equivalent-
series resistance (ESR) output capacitors. Additionally,
all devices contain reversed battery protection which dis-
connects the internal circuitry and parasitic diodes if the
battery is connected incorrectly.
The AS1356 also features power-OK circuitry which can
be used to monitor output regulation.
All devices also feature an integrated error amplifier and
built-in 1.25V reference, and output current is limited
(380mA typ) via the on-chip current limiting circuitry.
Multiple output voltages are available as standard prod-
ucts: 3.6, 3.3, 3.0, 2.7, 2.5, or 1.5V. All devices are avail-
able in a 5-pin SOT23 package.
Figure 1. Pinout and Application Diagrams
www.austriamicrosystems.com
On
Off
+2.5 to
+5.5V
0.01µF
C
BP
SHDNM
1µF
C
GND
IN
,
IN
A S 1 3 5 6
1
2
3
SHDNM
IN
BP
AS1353
AS1353
GND
OUT
4
5
BP
OUT
C
1µF
OUT
Preset Output
1.5 to 3.6V,
150mA
Revision 1.03
2 Key Features
3 Applications
The devices are ideal for powering cordless and mobile
phones, MP3 players, CD and DVD players, PDAs,
handheld computers, digital cameras, and any other
hand-held and/or battery-powered device.
On
Off
!
!
!
!
!
!
!
!
!
!
!
!
+2.5 to
+5.5V
Ultra-Low Dropout Voltage: 40mV @ 100mA load
Output Voltage Range: +1.5 to +3.6V (100mV steps)
Max Output Current: 150mA
Output Voltage Accuracy: ±1%
Low Shutdown Current: 1µA
High PSRR: 60dB at 100Hz
Integrated Overtemperature/Overcurrent Protection
Reverse-Battery Protection (AS1353/AS1356)
Power-OK Output (AS1356)
Minimal External Components Required
Operating Temperature Range: -40 to +85°C
5-pin SOT23 Package
SHDNM
1µF
C
GND
IN
IN
1
2
3
SHDNM
GND
IN
AS1356
AS1356
OUT
POK
4
5
POK
OUT
100kΩ
C
1µF
OUT
Preset Output
1.5 to 3.6V,
processor
To Micro-
P r o d u c t B r i e f
150mA
1 - 2
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AS1356 Summary of contents
Page 1
... The AS1356 also features power-OK circuitry which can be used to monitor output regulation. All devices also feature an integrated error amplifier and built-in 1.25V reference, and output current is limited (380mA typ) via the on-chip current limiting circuitry ...
Page 2
... AS1353/AS1356 Product Brief Copyrights Copyright © 1997-2007, austriamicrosystems AG, Schloss Premstaetten, 8141 Unterpremstaetten, Austria-Europe. Trademarks Registered ®. All rights reserved. The material herein may not be reproduced, adapted, merged, trans- lated, stored, or used without the prior written consent of the copyright owner. www.datasheet4u.com All products and companies mentioned are trademarks or registered trademarks of their respective companies. ...