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TPS2551-Q1 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS2551-Q1 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 26 page DEVICE INFORMATION Charge Pump Driver UVLO Current Limit Thermal Sense IN GND EN ILIM OUT FAULT CS Reverse Voltage Comparator - + Current Sense 8-msDeglitch PARAMETER MEASUREMENT INFORMATION RL CL OUT tr tf 90% 90% 10% 10% VOLTAGEWAVEFORMS TESTCIRCUIT 50% 50% 90% 10% ton toff V OUT V OUT V EN TPS2551-Q1 www.ti.com ...................................................................................................................................................................................................... SLVS850 – JUNE 2008 Terminal Functions TERMINAL I/O DESCRIPTION NAME NO. EN 3 I Enable input, logic high turns on power switch FAULT 4 O Active-low open-drain output, asserted during overcurrent, overtemperature, or reverse-voltage conditions. GND 2 Ground connection ILIM 5 I External resistor used to set current-limit threshold; recommended 14.3 k Ω ≤ RILIM ≤ 80.6 kΩ. IN 1 I Input voltage; connect a 0.1 µF or greater ceramic capacitor from IN to GND as close to the IC as possible. OUT 6 O Power-switch output FUNCTIONAL BLOCK DIAGRAM Figure 2. Test Circuit and Voltage Waveforms Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPS2551-Q1 |
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