FAN7380_07 Datasheet, PDF (2/13 Pages) Fairchild Semiconductor – Half-Bridge Gate Driver

Typical Application Circuit
15V
600V
RBOOT DBOOT
LIN
1 LIN
VB 8
Q1
R1
HIN
2 HIN
HO 7
3 VCC
C1
4 COM
VS 6
LO 5
CBOOT
R3
R2
Q2
Load
R4
FAN7380 Rev.03
Figure 1. Application Circuit for Fluorescent Lamp Ballast
Internal Block Diagram
HIN 2
LIN 1
SCHMITT TRIGGER ^HS(ON/OFF)
INPUT
SHOOT THOUGH
PREVENTION
LS(ON/OFF)
{DEAD-TIME=100ns}
UVLO
NOISE
CANCELLER
RR
SQ
UVLO
DELAY
Figure 2. Functional Block Diagram of FAN7380
8 V_B
7 HO
6 V_S
3 V_CC
5 LO
4 COM
FAN7380 Rev.02
© 2005 Fairchild Semiconductor Corporation
FAN7380 Rev. 1.0.5
2
www.fairchildsemi.com