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TPS2552 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS2552 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 31 page DEVICE INFORMATION Charge Pump Driver UVLO Current Limit Thermal Sense IN GND EN ILIM OUT FAULT CS Reverse Voltage Comparator - + Current Sense Note A: TPS255xpartsenterconstantcurrentmode duringcurrentlimitcondition; TPS255x-1 partslatchoff (Note A) 8-msDeglitch TPS2552 TPS2553, TPS2552-1, TPS2553-1 www.ti.com...................................................................................................................................... SLVS841C – NOVEMBER 2008 – REVISED SEPTEMBER 2009 Pin Functions PIN I/O DESCRIPTION NAME TPS2552DBV TPS2553DBV TPS2552DRV TPS2553DRV EN 3 – 4 – I Enable input, logic low turns on power switch EN – 3 – 4 I Enable input, logic high turns on power switch GND 2 2 5 5 Ground connection; connect externally to PowerPAD Input voltage; connect a 0.1 µF or greater IN 1 1 6 6 I ceramic capacitor from IN to GND as close to the IC as possible. Active-low open-drain output, asserted during FAULT 4 4 3 3 O overcurrent, overtemperature, or reverse-voltage conditions. OUT 6 6 1 1 O Power-switch output External resistor used to set current-limit ILIM 5 5 2 2 O threshold; recommended 15 k Ω ≤ RILIM ≤ 232 k Ω. Internally connected to GND; used to heat-sink PowerPAD – – PAD PAD the part to the circuit board traces. Connect ™ PowerPAD to GND pin externally. Add -1 for Latch-Off version FUNCTIONAL BLOCK DIAGRAM Copyright © 2008–2009, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPS2552 TPS2553 TPS2552-1 TPS2553-1 |
Número de pieza similar - TPS2552_09 |
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Descripción similar - TPS2552_09 |
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