SG1846F/DESC 查看數據表（PDF） - Microsemi Corporation

零件编号

产品描述 (功能)

生产厂家

SG1846F/DESC

CURRENT MODE PWM CONTROLLER

Microsemi Corporation 

APPLICATIONS INFORMATION (continued)

SG1846

FIGURE 26 - PULSE BY PULSE CURRENT LIMITING

FIGURE 27 - SOFT START AND SHUTDOWN/RESTART FUNCTIONS

VREF < 0.8mA

R1

FIGURE 28 - SHUTDOWN WITH AUTO-RESTART

If VREF < 0.8mA the shutdown latch will commutate

R1

when ISS < 0.8mA and a restart cycle will be initiated.

4/90 Rev 1.1 2/94

Copyright © 1994

9

V

REF >3mA (LATCHED OFF)

R

1

FIGURE 29 - SHUTDOWN WITHOUT AUTO-RESTART (LATCHED)

If VREF > 3mA the device will latch off

R1

until power is recycled.

LINFINITY Microelectronics Inc.

11861 Western Avenue ∞ Garden Grove, CA 92841

(714) 898-8121 ∞ FAX: (714) 893-2570

Share Link: