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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TPS40210DRCR Fiches technique(PDF) 3 Page - Texas Instruments |
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TPS40210DRCR Fiches technique(HTML) 3 Page - Texas Instruments |
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3 / 44 page  1 6 5 10 2 3 7 4 8 9 FB RC COMP DIS/EN SS GND VDD ISNS GDRV BP FB RC COMP DIS/EN SS 5 4 3 2 1 1 6 7 8 9 10 GND VDD ISNS GDRV BP 3 TPS40210, TPS40211 www.ti.com SLUS772F – MARCH 2008 – REVISED MARCH 2015 Product Folder Links: TPS40210 TPS40211 Submit Documentation Feedback Copyright © 2008–2015, Texas Instruments Incorporated 5 Pin Configuration and Functions DGQ 10-Pin Top View DRC 10-Pin Top View Pin Functions PIN I/O DESCRIPTION NAME NO. BP 9 O Regulator output pin. Connect a 1.0 μF bypass capacitor from this pin to GND. COMP 4 O Error amplifier output. Connect control loop compensation network between COMP pin and FB pin. DIS/EN 3 I Disable pin. Pulling this pin high, places the part into a shutdown mode. Shutdown mode is characterized by a very low quiescent current. While in shutdown mode, the functionality of all blocks is disabled and the BP regulator is shut down. This pin has an internal 1 M Ω pull-down resistor to GND. Leaving this pin unconnected enables the device. FB 5 I Error amplifier inverting input. Connect a voltage divider from the output to this pin to set output voltage. Compensation network is connected between this pin and COMP. GDRV 8 O Connect the gate of the power N channel MOSFET to this pin. GND 6 - Device ground. ISNS 7 I Current sense pin. Connect an external current sensing resistor between this pin and GND. The voltage on this pin is used to provide current feedback in the control loop and detect an overcurrent condition. An overcurrent condition is declared when ISNS pin voltage exceeds the overcurrent threshold voltage, 150 mV typical. RC 1 I Switching frequency setting pin. Connect a resistor from RC pin to VDD of the IC power supply and a capacitor from RC to GND. SS 2 I Soft-start time programming pin. Connect capacitor from SS pin to GND to program converter soft-start time. This pin also functions as a timeout timer when the power supply is in an overcurrent condition. VDD 10 I System input voltage. Connect a local bypass capacitor from this pin to GND. Depending on the amount of required slope compensation, this pin can be connected to the converter output. See Application Information section for additional details. (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 6 Specifications 6.1 Absolute Maximum Ratings over operating free-air temperature range unless otherwise noted (1) MIN MAX UNIT Input voltage VDD –0.3 52 V RC, SS, FB, DIS/EN –0.3 10 ISNS –0.3 8 Output voltage COMP, BP, GDRV –0.3 9 TJ Operating junction temperature –40 150 °C Tstg Storage temperature –55 150 °C |
Numéro de pièce similaire - TPS40210DRCR |
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Description similaire - TPS40210DRCR |
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