MIC5022_05 Datasheet, PDF (6/10 Pages) Micrel Semiconductor – Half-Bridge MOSFET Driver

MIC5022
MIC5022
Input
TTL (H)
0V
Enable
TTL (H)
0V
Gate
H
15V (max.)
Source
Gate
L
15V
(max.)
0V
Sense H+, H– ^50mV
Differential
0V
Sense L+, L– ^50mV
Differential
0V
Off
Fault
On
Timing Diagram 1. Normal Operation
5µs
20µs
Input
TTL (H)
0V
Enable
TTL (H)
0V
Gate
H
15V
(max.)
0V
Gate
L
15V
(max.)
0V
Sense H+, H– 50mV
Differential
0V
Sense L+, L– 50mV
Differential
0V
Off
Fault
On
Timing Diagram 2. Overcurrent Fault with Retry
5µs
Input
TTL (H)
0V
Enable
TTL (H)
0V
Gate
H
15V (max.)
Source
Gate
L
15V
(max.)
0V
Sense H+, H– 50mV
Differential
0V
Sense L+, L– 50mV
Differential
0V
Off
Fault
On
Timing Diagram 3. Overcurrent Fault with Maintained Off
6
Micrel, Inc.
July 2005