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TPS61252 Fiches technique(PDF) 8 Page - Texas Instruments |
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TPS61252 Fiches technique(HTML) 8 Page - Texas Instruments |
8 / 27 page Undervoltage Lockout Thermal Shutdown Softstart Control Logic PMOS Averaging Circuit 1V I Error Amp. AVE V REF g m Current Sense Current Sense V FB VOUT GND PG FB SW VIN ILIM EN NMOS PWM Pulse Modulator V REF TPS61252 SLVSAG3A – SEPTEMBER 2010 – REVISED DECEMBER 2014 www.ti.com 10 Detailed Description 10.1 Overview The TPS61252 device provides a power supply solution for products powered by either a three-cell alkaline, NiCd or NiMH battery, or an one-cell Li-Ion or Li-polymer battery. It has a resistor programmable (RILIM) input current limit. During light loads the device will automatically enter skip mode (PFM). During shutdown, the load is completely disconnected from the battery. 10.2 Functional Block Diagram 8 Submit Documentation Feedback Copyright © 2010–2014, Texas Instruments Incorporated Product Folder Links: TPS61252 |
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