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TPS61175-Q1 Datasheet(PDF) 9 Page - Texas Instruments |
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TPS61175-Q1 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 30 page SW Ramp Generator Oscillator Current Sensor EN PGND C4 L1 + EA R2 C2 VIN Copyright © 2016,Texas Instruments Incorporated COMP R1 R3 R4 C3 SS FREQ SYNC FB FB Gate Driver C1 AGND D1 1.229 V Reference PWM Control 9 TPS61175-Q1 www.ti.com SLVSCN9A – DECEMBER 2014 – REVISED APRIL 2016 Product Folder Links: TPS61175-Q1 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated 8.2 Functional Block Diagram 8.3 Feature Description 8.3.1 Switching Frequency The switch frequency is set by a resistor (R4) connected to the FREQ pin of the TPS61175-Q1. Do not leave this pin open. A resistor must always be connected for proper operation. See Table 1 and Figure 7 for resistor values and corresponding frequencies. Table 1. Switching Frequency vs External Resistor R4 (k Ω) fSW (kHz) 443 240 256 400 176 600 80 1200 51 2000 |
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