MIC5022_05 Datasheet, PDF (3/10 Pages) Micrel Semiconductor – Half-Bridge MOSFET Driver

MIC5022
Block Diagram
Sense H+
Sense H–
50mV
Input
Micrel, Inc.
6V Internal Regulator
I₁
C_INT
2I₁
1.4V
15V
Fault
Normal
Q1
C_{T H}
V_DD
CHARGE
PUMP
V_{B OOS T}
↑ _ONE-
↓ ^{SH O T}
10I ₂
ON
OFF _6V
I₂
Gate H
Sense L+
Sense L–
50mV
6V
I₁
C_INT
2I₁
Fault
Normal
Q1
Enable
1.4V
15V
↑ _ONE-
↓ ^{SH O T}
10I₂
ON
OFF _6V
I₂
Transistor Count: 188
C_{T L}
Fault
V_DD
Gate L
Absolute Maximum Ratings
Supply Voltage (V_DD)................................................... +40V
Input Voltage ...................................................–0.5V to 15V
Sense Differential Voltage .......................................... ±6.5V
Sense + or Sense – to Gnd ...........................–0.5V to +36V
Fault Voltage ............................................................... +36V
Current into Fault........................................................ 50mA
Timer Voltage (C_T)...................................................... +5.5V
V_BOOST Capacitor..................................................... 0.01µF
Operating Ratings
Supply Voltage (V_DD)..................................... +12V to +36V
Temperature Range
SOIC ...................................................... –40°C to +85°C
PDIP ^{....................................................................} –40°C to +85°C
July 2005
3
MIC5022