Ultralow Quiescent Current,
150 mA, CMOS Linear Regulators
ADP160/ADP161/ADP162/ADP163
Data Sheet
FEATURES
TYPICAL APPLICATION CIRCUITS
ADP160/ADP162
Ultralow quiescent current
V
= 2.3V
1µF
V
= 1.8V
IN
OUT
I
I
Q = 560 nA with 0 μA load
Q = 860 nA with 1 μA load
5
1
2
3
VIN
GND
EN
VOUT
1µF
Stable with 1 μF ceramic input and output capacitors
Maximum output current: 150 mA
Input voltage range: 2.2 V to 5.5 V
Low shutdown current: <50 nA typical
Low dropout voltage: 195 mV @ 150 mA load
Initial accuracy: 1ꢀ
Accuracy over line, load, and temperature: 3.5ꢀ
15 fixed output voltage options: 1.2 V to 4.2 V
Adjustable output available
ON
4
NC
OFF
NC = NO CONNECT
Figure 1. 5-Lead TSOT ADP160/ADP162 with Fixed Output Voltage, 1.8 V
ADP161/ADP163
V
= 4.2V
1µF
V
= 3.2V
1µF
IN
OUT
5
1
2
3
VIN
GND
EN
VOUT
R1
R2
ON
4
ADJ
PSRR performance of 72 dB @ 100 Hz
Current limit and thermal overload protection
Logic-control enable
OFF
Figure 2. 5-Lead TSOT ADP161/ADP163 with Adjustable Output Voltage, 3.2 V
Integrated output discharge resistor
5-lead TSOT package
ADP160/ADP162
1
2
4-ball, 0.5 mm pitch WLCSP
V
= 2.8V
V
= 3.3V
1µF
OUT
IN
VIN
VOUT
A
B
1µF
TOP VIEW
(Not to Scale)
APPLICATIONS
ON
Mobile phones
EN
GND
OFF
Digital cameras and audio devices
Portable and battery-powered equipment
Post dc-to-dc regulation
Figure 3. 4-Ball WLCSP ADP160/ADP162 with Fixed Output Voltage, 2.8 V
Portable medical devices
GENERAL DESCRIPTION
The ADP160/ADP161/ADP162/ADP163 are ultralow quiescent
current, low dropout, linear regulators that operate from 2.2 V
to 5.5 V and provide up to 150 mA of output current. The low
195 mV dropout voltage at 150 mA load improves efficiency and
allows operation over a wide input voltage range.
the LDO is disabled. The ADP162 is identical to the ADP160
but does not include the output discharge function.
The ADP161and ADP163 are available as adjustable output voltage
regulators. They are only available in a 5-lead TSOT package.
The ADP163 is identical to the ADP161 but does not include
the output discharge function.
The ADP16x are specifically designed for stable operation with a
tiny 1 μF 30ꢀ ceramic input and output capacitors to meet
the requirements of high performance, space-constrained
applications.
Short-circuit and thermal overload protection circuits prevent
damage in adverse conditions. The ADP160 and ADP162 are
available in a tiny 5-lead TSOT and a 4-ball, 0.5 mm pitch
WLCSP package for the smallest footprint solution to meet a
variety of portable power applications.
The ADP160 is available in 15 fixed output voltage options,
ranging from 1.2 V to 4.2 V. The ADP160/ADP161 also include
a switched resistor to discharge the output automatically when
Rev. G
Document Feedback
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Tel: 781.329.4700 ©2010–2012 Analog Devices, Inc. All rights reserved.
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www.analog.com
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