NX2415 Просмотр технического описания (PDF) - Microsemi Corporation

Номер в каталоге

Компоненты Описание

производитель

NX2415

TWO PHASE SYNCHRONOUS PWM CONTROLLER WITH INTEGRATED FET DRIVER AND DIFFERENTIAL CURRENT SENSE

Microsemi Corporation 

Current Loop Compensator Design

Master

channel

Compensation

D(s)

1

Vosc

Power stage

d

Vin iL

s*L+Req

Current Sensing

Amplifier Gain

s*L+DCR

Rs*Cs*s+1

Inductor Current

sense

Figure 6 - Current loop control diagram

NX2415

VIN

master channel

L

DCR

Vbias

Ramp for

slave channel

PWM control

logic

and driver

Vbias

Rs

Cs

Rs

VOUT

VIN

Slave channel 1

L

DCR

Rs

Cs

Rs

Slave channel control

Slave channel control

Icomp1 Rcc C1

C2

Slave channel

Figure 7 - Function diagram of current loop

Rev.4.8

13

05/06/08

Share Link: