IR2086S Datasheet

IC型號：
IR2086S
PDF描述：
HIGH SPEED, 100V, SELF OSCILLATING 50% DUTY CYCLE, FULL-BRID...
文件大小：
153.44KB
PDF頁數(shù)：
8頁
芯片廠家：
IRF

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Data Sheet PD No.60226

IR2086S

HIGH SPEED, 100V, SELF OSCILLATING 50% DUTY CYCLE,

FULL-BRIDGE DRIVER

Features

鈥?/div>

Simple primary side control solution to enable full-bridge

DC-Bus Converters for 48V distributed systems with reduced

component count and board space.

Frequency and dead time set by two external components

Maximum 500KHz per channel output with 50% duty cycle

Adjustable dead time 50nsec ~ 200nsec

Floating channel designed for bootstrap operation up to +100Vdc

High and low side pulse width matching to +/- 25nsec

Overcurrent protection with adjustable hiccup period.

Undervoltage lockout and internal soft start

Product Summary

CC (max)

offset(max)

High/low side

output freq (f

osc

)

Output Current (I

)

High/low side pulse

edge matching

25V

100Vdc

500kHz

+/-1.2A

+/- 25ns

Description

The IR2086S is a self oscillating full-bridge controller and driver IC with

50% duty cycle ideally suited for 36V-75V full-bridge DC Bus Converters.

Dead time can be controlled through proper selection of C

and can range

from 50 to 200nsec. Internal soft start increases pulse width on power up

and maintains equal pulse widths for the high and low outputs throughout

the start up cycle. Undervoltage lockout prevents operation if Vcc is less than

7.5 Vdc. Over current shutdown occurs when the voltage on the Cs pin

exceeds 200mV. Restart after overcurrent trip can be delayed by adjusting

the external capacitor. The delay time ranges from 10碌s to 1s.

Package

16-Lead SOIC

Typical

Connection

VBUSS (100 VDC MAX)

VCC (9 ~15V)

IR2086S

(Refer to Lead Assign-

ments for correct pin

configuration). This/

These diagram(s)

show electrical connec-

tions only. Please refer

to our Application

Notes and DesignTips

for proper circuit board

layout.

DELAY

COM2*

COM1

LO2

VS2

LO1

CD**

VCC

HO2

VB2

VB1

HO1

VS1

RSENSE

*COM2 must be shorted to COM1 for proper operation

**CD is optional

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