UC3572D

UC3572D概述

具有欠压锁定电路的负输出反激脉宽调制器 8-SOIC 0 to 70

DESCRIPON

The UC3572 is a negative output flyback pulse width modulator which converts a positive input voltage to a regulated negative output voltage. The chip is optimized for use in a single inductor negative flyback switching converter employing an external PMOS switch. The block diagram consists of a precision reference, an error amplifier configured for voltage mode operation, an oscillator, a PWM comparator with latching logic, and a 0.5A peak gate driver. The UC3572 includes an undervoltage lockout circuit to insure sufficient input supply voltage is present before any switching activity can occur, and a pulse-by-pulse current limit.

FEATURES

• Simple Single Inductor Flyback PWM for Negative Voltage Generation

• Drives External PMOS Switch

• Contains UVLO Circuit

• Includes Pulse-by-Pulse Current Limit

• Low 50µA Sleep Mode Current

UC3572D数据文档
型号 品牌 下载
UC3572D

TI 德州仪器

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UC3524ADW

TI 德州仪器

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UC3525AQ

TI 德州仪器

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UC3526DW

TI 德州仪器

下载
UC3526AN

TI 德州仪器

下载
UC3526ADW

TI 德州仪器

下载
UC3525AN

TI 德州仪器

下载
UC3525ADW

TI 德州仪器

下载
UC3524AN

TI 德州仪器

下载
UC3525ADWTR

TI 德州仪器

下载
UC3524ADWTRG4

TI 德州仪器

下载

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