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PDF ( 数据手册 , 数据表 ) G5250

零件编号 G5250
描述 Power Distribution Switch
制造商 Global Mixed-mode Technology
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G5250 数据手册, 描述, 功能
Global Mixed-mode Technology Inc.
Power Distribution Switch
G5250
Features
„ 85mΩ High-Side MOSFET
„ Available with 4 Versions of Current Limits with
Foldback
„ Operating Range:2.7V to 5.5V
„ 400µS Typical Rise Time
„ Under Voltage Lockout
„ 65µA Quiescent Supply Current
„ 1µA Maximum Shutdown Supply Current
„ Logic Level Enable Pin, Available with
Active-High or Active-Low Version
„ No Reverse Current when Power Off
„ Deglitched Open-Drain Over-Current Flag
Output ( OC ) Available for 2 Kinds of Pin Out
(G5250 E/F/G/H) (G5250 I/J/K/L)
„ SOT-23-5 Package
„ UL Approved_#E232223
„ Nemko IEC 60950-1 CB/CCA_scheme certifica-
tion Report #67291
„ CSA Approved #230321
General Description
The G5250 is an integrated 85mΩ power switch for
self-powered and bus-powered Universal Serial Bus
(USB) applications.
Several Protection features include current limiting
with foldback, and thermal shutdown to prevent catas-
trophic switch failure caused by increasing power dis-
sipation when continuous heavy loads or short circuit
occurs. And a built-in charge pump is used to drive the
N-channel MOSFET that is free of parasitic body diode
to eliminate any reversed current flow across the
switch when it is powered off.
G5250E/F/G/H and G5250I/J/K/L has open-drain
OC output reports over-current or over-temperature
event and has typical 9ms deglitch timeout period.
Applications
„ High-Side Power Protection Switch
„ USB Power Management
„ USB Host and Self-Powered Bubs
„ USB Bus-Powered Hubs
„ Hot Plug-In Power Supplies
„ Battery-Charger Circuits
Pin Configuration
G5250A/B/C/D
OUT 1
5 OUT
GND 2
IN 3
SOT-23-5
4 EN
(EN)
Typical Application Circuit
G5250A/B/C/D
VIN IN OUT
CIN
EN
ON
GND
1µF OFF
VOUT
COUT
22µF
G5250E/F/G/H
OUT 1
5 OC
GND 2
G5250I/J/K/L
EN 1
(EN)
5 OUT
GND 2
IN 3
SOT-23-5
4 EN
(EN)
OC 3
SOT-23-5
4 IN
G5250E/F/G/H,G5250I/J/K/L
100kΩ
FLAG
VIN
IN
OC
OUT
CIN
EN
ON
GND
1µF
OFF
VOUT
COUT
22µF
R
UL Recognized Component
Ver: 1.2
Jun 19, 2006
1
TEL: 886-3-5788833
http://www.gmt.com.tw







G5250 pdf, 数据表
Global Mixed-mode Technology Inc.
Recommended Minimum Footprint
SOT-23-5
G5250
Ver: 1.2
Jun 19, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
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