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TPS61253A Fiches technique(PDF) 4 Page - Texas Instruments |
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TPS61253A Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 31 page A1 A2 A3 B2 C2 B3 C3 B1 C1 4 TPS61253A SLVSDE4 – MARCH 2017 www.ti.com Product Folder Links: TPS61253A Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated 6 Pin Configuration and Functions YFF Package 9-Pin DSBGA Top View Pin Functions PIN I/O DESCRIPTION NAME NO. EN B3 I This is the enable pin of the device. Connecting this pin to ground forces the device into shutdown mode. Pulling this pin high enables the device. There is an internal resistor pulled to GND. GND C1, C2 – Ground pin. MODE C3 – Operation mode selection pin. Mode = Low, the device works in the Auto PFM mode with good light load efficiency. Mode = High, the device is in the forced PWM mode, keep the switching frequency be constant crossing the whole load range. Mode = Floating, the device works in the ultrasonic mode; it keeps the switching frequency larger than 25 kHz to avoid the acoustic frequency toward no load condition. SW B1, B2 I/O The switch pin of the converter. It is connected to the drain of the internal low-side power FET and the source of the internal high-side power FET VIN A3 I Power supply input VOUT A1, A2 O Boost converter output (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 7 Specifications 7.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) MIN MAX UNIT Voltage range at terminals Voltage at VIN, EN, MODE, VOUT –0.3 6 V Voltage at SW –0.3 7 V Storage temperature, Tstg -65 150 °C |
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Description similaire - TPS61253A |
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