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TPS51362RVET Fiches technique(PDF) 7 Page - Texas Instruments |
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TPS51362RVET Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 29 page TPS51362 www.ti.com SLUSBB6A – FEBRUARY 2013 – REVISED JUNE 2013 PIN FUNCTIONS NAME NO. I/O/P(1) DESCRIPTION Power supply for internal high side MOSFET. Connect a 0.1-µF bootstrap capacitor between this pin and BST 5 I SW pin. EN 28 I Enable signal, 1.05-V logic compatible. GND 19 — General device ground. GSNS 23 O GND sense input. Connect GSNS to general/system ground or GND sensing point at the output return. LP# 2 I Low power signal (active low) to indicate the converter entering ULQ™ mode. 1.05-V logic compatible. MODE 3 I Frequency (800 kHz) programmable input (see Table 2). NC 4 — Not connected. NU 27 — Not used for external applications. 10 11 PGND 12 — Power ground. Connect to the system ground. 13 14 PGOOD 1 O PGOOD output. Connect a pull-up resistor with a value of 100 k Ω to this pin. Power 29 — Connect to system ground by multiple vias. PAD REFIN 25 I Target output voltage input pin. 0.6 V to 2 V, 1.05 V/1.2 V built-in (GND and Open) (see Table 1). REFIN2 24 I Tie to GND or float. This input is used to determine the fixed voltage setpoint (see Table 1). SLEW 21 O Connect a capacitor between this pin and GND for soft start and integrator functions. 6 7 SW O Switching node output. Connect external inductor. 8 9 TRIP 20 I OCL programmable input (see Table 3). V5 18 I 5-V power supply for analog circuits and gate driver. 15 I VIN 16 I Power supply input pin. Apply 3-V to 22-V of supply voltage. 17 I VREF 26 O 2-V reference output. Connect a 0.1-µF ceramic capacitor between this pin and the GNDS pin. VSNS 22 I Output voltage sense input. (1) I = Input, O = Output, P = Power, G = Ground Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TPS51362 |
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