ISL6442 Ver la hoja de datos (PDF) - Intersil
Número de pieza
componentes Descripción
Fabricante
ISL6442 Datasheet PDF : 16 Pages
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Block Diagram
REFERENCE
BIAS CURRENT
30µA 100µA 0.6V
ISL6442
VCC
VCC
POWER
ON
RESET
AND CONTROL
VIN
5V LINEAR
REGULATOR
COMP1
FB1
0.6V
VCC5
VCC5
30µA
30µA
SS1/EN1
SS2/EN2
FB2
COMP2
0.6V
FAULT1
UVP1
OVP1
PG1
EN1
SS1
STARTUP
SS1 EN1
1V DET
SS2 EN2
FAULT2
UVP2
OVP2
PG2
EN2
SS2
RT
PGOOD
PG1
PG2
PG3
PWM1
RAMP1
0 DEG
CLOCK AND
SAWTOOTH
GENERATOR
RAMP2
180 DEG
PWM2
110µA
VCC
UVP1
OVP1
PG1
EN1
OUTPUT1
DRIVERS
GATE CONTROL
LOGIC
VCC
DEAD-TIME
CONTROL
OVERCURRENT
PGND
OCSET1
BOOT1
UGATE1
PHASE1
LGATE1
110µA
VCC
UVP2
OVP2
PG2
EN2
OUTPUT2
DRIVERS
GATE CONTROL
LOGIC VCC
DEAD-TIME
CONTROL
OVERCURRENT
PGND
FAULT3
PG3 LCFB
OCSET2
BOOT2
UGATE2
PHASE2
LGATE2
0.6V
LCFB
LCDR
SGND
2
FIGURE 1. BLOCK DIAGRAM
PGND
FN9204.1
April 7, 2006
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