ISL89401 Intersil Corporation, ISL89401 Datasheet - Page 2

• Manufacturer Part Number: ISL89401
• Description: (ISL89400 / ISL89401) High Frequency Half-Bridge Drivers
• Manufacturer: Intersil Corporation

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Application Block Diagram
Functional Block Diagram
V
V
DD
SS
CONTROLLER
HI
LI
*EPAD = EXPOSED PAD. THE EPAD IS ELECTRICALLY ISOLATED FROM ALL OTHER
2
PWM
PINS. FOR BEST THERMAL PERFORMANCE CONNECT THE EPAD TO THE PCB
POWER GROUND PLANE.
ISL89401
ISL89401
UNDERVOLTAGE
UNDERVOLTAGE
HI
LI
+12V
V
V
DD
ISL89400, ISL89401
SS
ISL89400
ISL89401
DRIVE
DRIVE
LO
HI
LEVEL SHIFT
EPAD (DFN PACKAGE ONLY)
HO
HS
LO
HB
+100V
DRIVER
DRIVER
REFERENCE
ISOLATION
AND
SECONDARY
CIRCUIT
HB
HO
HS
LO
December 11, 2007
FN6614.0