Bay Linear
Inspire the Linear Power
150 mA CMOS Low Dropout LDO
ON/OFF
B4151
Description
The B4151 series are a group of positive output voltage,
five-pin regulators, which provide a high current even
when the input/output voltage differential is small. Low
power consumption and high accuracy is achieved
though CMOS and programmable fuse technologies.
Output voltage: 2.0V to 6.0V in 0.1V increments.
The B4151 consists of a high-precision voltage
reference, an error correction circuit, and a current
limited output driver. Key features include a Shutdown
Pin that reduces supply current. With good transient
responses, output remains stable even during load
changes.
The ON/OFF pin enables the output to be turned off,
resulting in reduced power consumption. Provided in
SOT-25 (150mW) packages minimizes the usage of
board real state.
Features
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Maximum output current: 150 mA.
Highly accurate: Output voltage +/- 2%(1%)
Shutdown Supply Current 1碌A(chǔ)
碌
Ground Current of Less than 20碌A(chǔ)
碌
CMOS low power consumption.
0.20V at 160mA
0.38V at 80mA
Small input/output differential:
Shut Down Mode for Power Savings
Improve pin-to-pin XC62GR-XX
Pin-to-Pin Low Power to Bipolar LDO鈥檚
Applications
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Battery Powered Equipment
Notebook PC, Palmtops, PDA
Portable Cameras and Video Recorders
Reference Voltage Sources
Cellular / GSM / PCS Phones
Pin Connection
Ordering Information
Package
SOT-25
Part No.
B4151CK5 -X.X
X.X = Fixed Output Voltages from 2.0V to 6.0V
SOT-25 (K5)
V
out
5
NC
4
1
2
3
V
SS
V
IN
ON/OFF
Top View
Bay Linear, Inc
2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
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