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GM6155 데이터시트(Datasheet) 1 Page - List of Unclassifed Manufacturers

부품명 GM6155
상세내용  150mA LOW - NOISE LDO REGULATOR
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Description
The GM6155 is an efficient linear voltage regulator with
ultralow - noise output, very low dropout voltage (typically
17mV at light loads and 100mV at 50mA), and very low
ground current (600µA at 100mA output). The GM6155 pro-
vides better than 1% initial accuracy.
Designed especially for hand-held, battery-powered de-
vices, the GM6155 includes a CMOS or TTL compatible en-
able/ shutdown control input. When shutdown, power con-
sumption drops nearly to zero. Regulator ground current in-
creases only slightly in dropout, further prolonging battery
life. Key GM6155 features include a reference bypass pin
to improve its already excellent low-noise performance, re-
versed-battery protection, current limiting, and
overtemperature shutdown.
The GM6155 is available in SOT-25 package.
Application
Cellular telephones
Laptop, notebook, and palmtop computers
Battery-powered equipment
PCMCIA V
and V
regulation/ switching
CC
PP
Features
Very low noise output
Extremely accurate output voltage
Guaranteed 150mA output
Low quiescent current
Low dropout voltage
Extremely tight load and line regulation
Very low temperature coefficient
Current and thermal limiting
Reverse-battery protection
"Zero" off-mode current
Logic-controlled electronic enable
TYPICAL APPLICATION CIRCUITS
www.gammamicro.com
1
GM6155
150mA LOW - NOISE LDO REGULATOR
Power Management
Consumer/ personal electronics
SMPS post-regulator/ dc-to-dc modules
High-efficiency linear power supplies
1
2
3
4
5
VIN
EN
VOUT
CBYP
C
= 2.2µF
OUT
(tantalum)
Enable
Shutdown
EN (pin 3) may be connected
directly to IN (pin1).
Low-Noise Operation:
C
= 470pF, C
2.2µF
BYP
OUT
Basic Operation:
C
= not used, C
1µF
BYP
OUT
PRELIMINARY




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