TL2575 datasheet(12/34 Pages) TI1

tên linh kiện	TL2575

Giải thích chi tiết về linh kiện	1-A Simple Step-Down Switching Voltage Regulators

PDF	34 Pages

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nhà sản xuất	TI1 [Texas Instruments]

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TL2575, TL2575HV

SLVS638C – JANUARY 2006 – REVISED NOVEMBER 2014

www.ti.com

9.3 Feature Description

9.3.1 Feedback Connection

For fixed-voltage options, FEEDBACK must be wired to VOUT. For the adjustable version, FEEDBACK must be

connected between the two programming resistors. Again, both of these resistors should be in close proximity to

the regulator, and each should be less than 100 k

Ω to minimize noise pickup.

9.3.2 ON/OFF Input

ON/OFF should be grounded or be a low-level TTL voltage (typically < 1.6 V) for normal operation. To shut down

the TL2575 or TL2575HV devices and place in standby mode, a high-level TTL or CMOS voltage should be

supplied to this pin. ON/OFF should not be left open and safely can be pulled up to VIN with or without a pullup

resistor.

9.4 Device Functional Modes

9.4.1 Standby Mode

When a high-level TTL or CMOS voltage is applied to the ON/OFF pin, the device enters standby mode, drawing

a typical quiescent current of 50 µA.

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Product Folder Links: TL2575 TL2575HV

TL2575 bảng dữ liệu(PDF) 12 Page - Texas Instruments