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LM26001 Datasheet(PDF) 3 Page - Texas Instruments |
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LM26001 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 31 page Exposed Pad Connect to GND GND 8 VIN 1 VIN 2 PGOOD 3 EN 4 SS 5 COMP 6 FB 7 9 FREQ 10 FPWM 11 SYNC 12 VBIAS 13 VDD 14 BOOT 15 SW 16 SW LM26001, LM26001-Q1 www.ti.com SNVS430I – MAY 2006 – REVISED MARCH 2015 5 Pin Configuration and Functions 16-Pin HTSSOP Package Top View Pin Functions PIN I/O DESCRIPTION NO. NAME 1 VIN A Power supply input 2 VIN A Power supply input 3 PGOOD O Power Good pin. An open-drain output which goes high when the output voltage is greater than 92% of nominal. 4 EN I Enable is an analog level input pin. When pulled below 0.8 V, the device enters shutdown mode. 5 SS A Soft-start pin. Connect a capacitor from this pin to GND to set the soft-start time. 6 COMP A Compensation pin. Connect to a resistor capacitor pair to compensate the control loop. 7 FB A Feedback pin. Connect to a resistor divider between Vout and GND to set output voltage. 8 GND G Ground 9 FREQ A Frequency adjust pin. Connect a resistor from this pin to GND to set the operating frequency. 10 FPWM I FPWM is a logic level input pin. For normal operation, connect to GND. When pulled high, sleep mode operation is disabled. 11 SYNC I Frequency synchronization pin. Connect to an external clock signal for synchronized operation. SYNC must be pulled low for non-synchronized operation. 12 VBIAS A Connect to an external 3-V or greater supply to bypass the internal regulator for improved efficiency. If not used, VBIAS should be tied to GND. 13 VDD A The output of the internal regulator. Bypass with a minimum 1.0-µF capacitor. 14 BOOT A Bootstrap capacitor pin. Connect a 0.1-µF minimum ceramic capacitor from this pin to SW to generate the gate drive bootstrap voltage. 15 SW A Switch pin. The source of the internal N-channel switch. 16 SW A Switch pin. The source of the internal N-channel switch. EP EP G Exposed Pad thermal connection. Connect to GND. Copyright © 2006–2015, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM26001 LM26001-Q1 |
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