FAN7085M_GF085 Datasheet, PDF (2/14 Pages) Fairchild Semiconductor – FAN7085_GF085 High Side Gate Driver with Recharge FET

Block Diagrams
VCC
RESET-
IN-
GND
VB
Under
Voltage Reset
VB to VS
Pulse Filter
Flip Flop
Brake before
make
HO
Under Voltage
Reset VCC to GND
VS
Logic
Pulse
Filter
Level Shifter
ON
Level Shifter
OFF
Delay
Pin Assignments
1
VCC
2
IN-
VB ⁸
7
HO
3
GND
NC ⁶
4
RESET- VS
5
Pin Definitions
Pin Number
1
2
3
4
5
6
7
8
Pin Name
VCC
IN-
GND
RESET-
VS
NC
HO
VB
I/O
Pin Function Description
P
Driver supply voltage, typically 5V
I
Driver control signal input (Negative Logic)
P
Ground
I
Driver enable input signal (Negative Logic)
P
High side floating offset for MOSFET Source connection
-
No connection (No Bond wire)
A
High side drive output for MOSFET Gate connection
P
Driver output stage supply
©2012 Fairchild Semiconductor Corporation
2
FAN7085_GF085 Rev. 1.0.1
www.fairchildsemi.com