ST1S12XX_10 Datasheet, PDF(3/20 Page) STMicroelectronics – Synchronous rectification with enable, 0.7 A, 1.7 MHz fixed or adjustable step-down switching regulator in TSOT23-5L

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ST1S12XX_10 Datasheet, PDF (3/20 Pages) STMicroelectronics – Synchronous rectification with enable, 0.7 A, 1.7 MHz fixed or adjustable step-down switching regulator in TSOT23-5L

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ST1S12XX, ST1S12XX12, ST1S12XX18

Schematic

Figure 1. Schematic diagram

VIN

UVLO

I_SEN

Î£

VSUM

Comp

VRST

MOSFET

CONTROL

VDRV_P Driver

VSET

LOGIC

Schematic

Rsense

OSC

DMD

SOFT START

SHUT DOWN

VDRV_N Driver

REF1

FB/VO

Gnd

Doc ID 14314 Rev 3

3/20

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