ISL2111 Ver la hoja de datos (PDF) - Intersil

Número de pieza

componentes Descripción

Fabricante

ISL2111

100V, 3A/4A Peak, High Frequency Half-Bridge Drivers

Intersil 

Functional Block Diagram

ISL2110, ISL2111

HB

VDD

UNDER

VOLTAGE

LEVEL SHIFT

HO

DRIVER

HS

HI

ISL2111

UNDER

VOLTAGE

ISL2111

LI

VSS

LO

DRIVER

EPAD (DFN Package Only)

*EPAD = Exposed Pad. The EPAD is electrically isolated from all other pins. For

best thermal performance connect the EPAD to the PCB power ground plane.

+12V

PWM

+48V

ISL2110

ISL2111

SECONDARY

CIRCUIT

+12V

ISOLATION

FIGURE 1. TWO-SWITCH FORWARD CONVERTER

+48V

SECONDARY

CIRCUIT

PWM

ISL2110

ISL2111

ISOLATION

FIGURE 2. FORWARD CONVERTER WITH AN ACTIVE-CLAMP

3

FN6295.6

March 8, 2012

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