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FAN7380 — Half-Bridge Gate Driver
September 2015
FAN7380
Half-Bridge Gate Driver
Features
Floating Channel Designed for Bootstrapping
Description
The FAN7380 is a monolithic half-bridge gate-drive IC for
MOSFETs and IGBTs that operate up to +600 V.
Fairchild’s high-voltage process and common-mode
noise cancelling technique provide stable operation of
high-side driver under high-dv/dt noise circumstances.
An advanced level-shift circuit allows high-side gate
driver operation up to V
S
=-9.8 V (typical) for V
BS
=15 V.
The input logic level is compatible with standard TTL-
series logic gates. The internal shoot-through protection
circuit provides 100 ns dead-time to prevent output
switching devices from both conducting during transition
periods. UVLO circuits for both channels prevent
malfunction when V
CC
and V
BS
are lower than the
specified threshold voltage. Output drivers typically
source / sink at 90 mA / 180 mA, respectively, which is
suitable for fluorescent / compact fluorescent lamp
ballast applications and systems requiring low di/dt noise.
Operation to +600 V
Typically 90 mA / 180 mA Sourcing/Sinking Current
Driving Capability for Both Channels
Common-Mode dv/dt Noise Cancelling Circuit
Extended Allowable Negative V
S
Swing to -9.8 V for
Signal Propagation at V
CC
=V
BS
=15 V
V
CC
& V
BS
Supply Range from 10 V to 20 V
UVLO Functions for Both Channels
TTL-Compatible Input Logic Threshold Levels
Matched Propagation Delay Below 50 ns
Built-in 100 ns Dead-Time Control Function
Output In-Phase with Input Signal
Typical Applications
Fluorescent Lamp Ballast
Compact Fluorescent Lamp Ballast
8-SOP
Related Resources
AN-6076 - Design and Application Guide of Bootstrap
Circuit for High-Voltage Gate-Drive IC
AN-9052 - Design Guide for Selection of Bootstrap
Components
AN-8102 - Recommendations to Avoid Short Pulse
Width Issues in HVIC Gate Driver Applications
Ordering Information
Device
FAN7380MX
(1)
Note:
1. This device has passed wave soldering test by JESD22A-111.
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