FAN7380 Fairchild Semiconductor, FAN7380 Datasheet
FAN7380
Manufacturer Part Number
FAN7380
Description
Half-Bridge Gate Driver
Manufacturer
Fairchild Semiconductor
Datasheet
1.FAN7380.pdf
(12 pages)
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Features
• Floating Channel Designed For Bootstrapping Operation
• Typically 90mA/180mA Sourcing/Sinking Current
• Common-Mode dv/dt Noise Canceling Circuit
• Extended Allowable Negative VS Swing To -9.8V For
• VCC & VBS Supply Range From 10V To 20V
• UVLO Functions For Both Channels
• TTL Compatible Input Logic Threshold Levels
• Matched Propagation Delay Below 50nsec
• Built-in 100nsec Dead-Time Control Function
• Output In-Phase With Input
Typical Applications
• Fluorescent Lamp Ballast
• Compact Fluorescent Lamp Ballast
Internal Block Diagram
©2005 Fairchild Semiconductor Corporation
FAN7380
Half-Bridge Gate Driver
(SOURCING/SINKING : 90mA/180mA)
To +600V
Driving Capability For Both Channels
Signal Propagation @ VCC=VBS=15V
HIN
LIN
2
1
GENERATION
PULSE
SHIFTER
LEVEL
Description
The FAN7380 is a monolithic half-bridge gate driver IC for
MOSFETs and IGBTs, which operate up to +600V. Fair-
child’s high voltage process and common-mode noise can-
celing technique give stable operation of high-side driver
under high dv/dt noise circumstances. Advanced level shift
circuit allows high-side gate driver operation up to VS=-
9.8V(typ.) for VBS=15V. The input logic level is compatible
with standard TTL series logic gates. The internal shoot-
through protection circuit provides 100nsec dead-time to
prevent output switching devices from both conduction dur-
ing transition periods. UVLO circuits for both channels pre-
vent malfunction when VCC and VBS are lower than the
specified threshold voltage. Output drivers typically source/
sink 90mA/180mA, respectively, which is suitable for the
applications such as fluorescent/compact fluorescent lamp
ballast applications and the systems that require low di/dt
noise.
UVLO
8SOIC
CANCELLER
NOISE
HIGH-SIDE DRIVER
LOW-SIDE DRIVER
DELAY
R
S
UVLO
R
Q
www.fairchildsemi.com
1
8
7
6
3
5
4
V
HO
V
V
LO
COM
B
S
CC
Rev. 1.0.0
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