FAN7085-GF085 Driver Datasheet

FAN7085-GF085 Datasheet, PDF, Equivalent


Part Number

FAN7085-GF085

Description

High Side Gate Driver

Manufacture

ON Semiconductor

Total Page 13 Pages
Datasheet
Download FAN7085-GF085 Datasheet


FAN7085-GF085
FAN7085-GF085
High Side Gate Driver with Recharge FET
Features
• Qualified to AEC Q100
• Floating channel designed for bootstrap operation fully oper-
ational up to 300V.
• Tolerance to negative transient voltage on VS pin
• dv/dt immune.
• Gate drive supply range from 4.5V to 20V
• Under-voltage lockout
• CMOS Schmitt-triggered inputs with pull-down and pull-up
• High side output out of phase with input (Inverted input)
• Reset input
• Internal recharge FET for bootstrap refresh
Typical Applications
• Diesel and gasoline injectors/valves
• MOSFET-and IGBT high side driver applications
Description
The FAN7085-GF085 is a high-side gate drive IC with reset
input and built-in recharge FET. It is designed for high voltage
and high speed driving of MOSFET or IGBT, which operates up
to 300V. ON Semiconductor's high-voltage process and
common-mode noise cancellation technique provide stable
operation in the high side driver under high-dV/dt noise
circumstances. Logic input is compatible with standard CMOS
outputs. The UVLO cir-cuits prevent from malfunction when
VCC and VBS are lower than the specified threshold voltage. It
is available with space saving SOIC-8 Package. Minimum
source and sink current capability of output driver is 250mA
and 250mA. Built-in recharge FET to refresh bootstrap circuit is
very useful for circuit topology requiring switches on low and
high side of load.
SOIC-8
Ordering Information
Device
Package
FAN7085M-GF085
FAN7085MX-GF085
X : Tape & Reel type
SOIC-8
SOIC-8
Operating
Temp.
-40 C ~ 125 C
-40 C ~ 125 C
©2012 Semiconductor Components Industries, LLC.
September-2017,Rev.2
Publication Order Number:
FAN7085M-GF085/D

FAN7085-GF085
Block Diagrams
VCC
RESET-
IN-
GND
Under Voltage
Reset VCC to GND
Under
Voltage Reset
VB to VS
Pulse Filter
Flip Flop
Brake before
make
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
VB
HO
VS
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
www.onsemi.com
2


Features FAN7085-GF085 High Side Gate Driver with Recharge FET FAN7085-GF085 High Side Gate Driver with Recharge FET Features • Qualified to AEC Q100 • Floating channel designed for bootstrap operati on fully oper- ational up to 300V. • Tolerance to negative transient voltage on VS pin • dv/dt immune. • Gate d rive supply range from 4.5V to 20V • Under-voltage lockout • CMOS Schmitt- triggered inputs with pull-down and pul l-up • High side output out of phase with input (Inverted input) • Reset i nput • Internal recharge FET for boot strap refresh Typical Applications • Diesel and gasoline injectors/valves MOSFET-and IGBT high side driver appl ications  Description The FAN708 5-GF085 is a high-side gate drive IC wi th reset input and built-in recharge FE T. It is designed for high voltage and high speed driving of MOSFET or IGBT, w hich operates up to 300V. ON Semiconduc tor's high-voltage process and common-m ode noise cancellation technique provide stable operation in the high side driver under hig.
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