Data Sheet

FAN7380 — Half-Bridge Gate Driver
www.onsemi.com
2
Typical Application Circuit
Figure 1. Application Circuit for Fluorescent Lamp Ballast
Internal Block Diagram
Figure 2. Functional Block Diagram
D
BOOT
LIN
C
BOOT
15V
R
BOOT
Q1
R1
R2
V
B
HIN
COM
HO
V
S
LO
1
2
LIN
V
CC
5
6
8
3
4
7
R3
R4
600V
Q2
HIN
Load
FAN7380 Rev.03
C1
FAN7380 Rev.02
UVLO
DRIVER
PULSE
GENERATOR
1
3
4
8
6
V
CC
COM
LO
V
B
HO
V
S
R
R
S
Q
DRIVER
HS(ON/OFF)
LS(ON/OFF)
DELAY
UVLO
2
HIN
LIN
SCHMITT TRIGGER
INPUT
SHOOT THROUGH
PREVENTION
{DEAD-TIME=100ns}
NOISE
CANCELLER
5
7