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PDF G5250 Data sheet ( Hoja de datos )
| Número de pieza | G5250 | |
| Descripción | Power Distribution Switch | |
| Fabricantes | Global Mixed-mode Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de G5250 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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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
1 page  
Global Mixed-mode Technology Inc.
Typical Performance Characteristics (continued)
G5250
Inrush Short Circuit Response
Short Circuit Response at Start up
Short-Circuit Current, Device Enable into Short
Resistance Load Inrush Response
Capacitance Load Inrush Response
Capacitance Load Inrush Response
Ver: 1.2
Jun 19, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
5
5 Page 
Global Mixed-mode Technology Inc.
Test Circuit
Device
Under
Test
IOUT
OUT
VOUT
COUT RL CL
IL
Timing Diagrams
Current Probe
tR tF
VOUT
90%
10%
90%
10%
Output Rise and Fall Times
G5250
VEN
VOUT
50%
tON
tOFF
90%
10%
Switch Delay Times
Ver: 1.2
Jun 19, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet G5250.PDF ] | |
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