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G5250S Datasheet(PDF) 1 Page - Global Mixed-mode Technology Inc |
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G5250S Datasheet(HTML) 1 Page - Global Mixed-mode Technology Inc |
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1 / 1 page  Ver: 0.5 Mar 27, 2013 TEL: 886-3-5788833 http://www.gmt.com.tw 1 G5250S Global Mixed-mode Technology Power Distribution Switch Features 70m Ω High-Side MOSFET Operating Range:2.7V to 5.5V 1mS Typical Rise Time Fast Overcurrent Response 1.5µs (TYP.) Under voltage Lockout 130µA Quiescent Supply Current 1µA Maximum Shutdown Supply Current No Reverse Current when Power Off Deglitched Open-Drain Over-Current Flag Output ( OC ) Output Reverse-Voltage Protection SOT-23-5 Packages 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 General Description The G5250S is an integrated power switch for self-powered and bus-powered Universal Serial Bus (USB) applications. Several Protection features include current limiting and thermal shutdown to prevent catastrophic switch fail- ure caused by increasing power dissipation when con- tinuous heavy loads or short circuit occurs. 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 pow- ered off. When the output voltage is higher than input voltage, the power switch is turned off by internal out- put reverse-voltage comparator. OC is open-drain output report over-current or over-temperature event and has typical 9ms deglitch timeout period. In addition, OC also reports output reverse-voltage condition with typical 5ms deglitch timeout period. Ordering Information ORDER NUMBER MARKING ENABLE Current Limit Output MOS RDS(ON) TEMP. RANGE PACKAGE (Green) G5250S1T11U 50S1x Active High 1A 70m Ω -40oC to +85oC SOT-23-5 Note:T1: SOT-23-5 1: Bonding Code U: Tape & Reel Pin Configuration Typical Application Circuit OC EN SOT-23-5 5 4 1 OUT 2 3 GND IN G5250S V OUT C OUT 22µF ON C IN 1µF V IN 100k Ω OFF EN IN GND OUT OC FLAG 5 4 2 1 3 OC EN SOT-23-5 5 4 1 OUT 2 3 GND IN G5250S V OUT C OUT 22µF ON C IN 1µF V IN 100k Ω OFF EN IN GND OUT OC FLAG 5 4 2 1 3 |
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