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FL73282 — Half-Bridge Gate Driver
September 2015
FL73282
Half-Bridge Gate Driver
Features
Floating Channel for Bootstrap Operation to +900 V
Typically 350 mA / 650 mA Sourcing/Sinking
Current Driving Capability for Both Channels
Common-Mode dv/dt Noise Canceling 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
Matched Propagation Delay Below 50 ns
Built-in 170 ns Dead-Time
Output in Phase with Input Signal
Figure 1. SOP 8
Description
The FL73282, a monolithic half bridge gate-drive IC, can
drive MOSFETs and IGBTs that operate up to +900 V.
Fairchild’s high-voltage process and common mode
noise canceling technique provides stable operation of
the high-side driver under high-dV
S
/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 UVLO circuits for both channels
prevent malfunction when V
CC
or V
BS
is lower than the
specified threshold voltage. Output drivers typically
source/sink 350 mA / 650 mA, respectively, which is
suitable for all kinds of half- and full-bridge inverters.
Applications
Fluorescent Lamp Ballast
HID Ballast
SMPS
Motor Driver
General Purpose Half Bridge Topology
Ordering Information
Part Number
FL73282MX
(1)
Operating Temperature Range
-40°C to +125°C
Package
8-Lead, Small Outline Integrated
Circuit, (SOIC)
Packing
Method
Tape & Reel
Note:
1. These devices passed wave-soldering test by JESD22A-111.
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