FAN7385 Datasheet, PDF (2/15 Pages) Fairchild Semiconductor – Dual-Channel High-Side Gate-Drive IC

Typical Application Diagrams
15V
IN1
IN2
C1
RBOOT
DBOOT1
FAN7385
1
VDD
2 NC
3 IN1
4 NC
5 IN2
6 NC
7 GND
VB1 14
HO1 13
VS1 12
NC 11
VB2 10
HO2 9
VS2
8
CBOOT1
DBOOT2
CBOOT2
D1
D2
Q1
Q2
C2
D3
L1
D4
Energy Recovery
VS
Q3
To
Pannel
Q4
Buffer IC
HVIC
FAN7380
FAN7382
Sustain Driver
FAN7385 Rev.01
Figure 1. Floated Bidirectional Switch Control for PDP application
RBOOT1
DBOOT1
VDC _{Full-Bridge Converter}
15V
Controller
L-CH Output
R-CH Output
1
VDD
2 NC
3 IN1
4 NC
VB1 14
HO1 13
VS1 12
NC 11
CBOOT1
5 IN2
VB2 10
C1
6 NC
HO2 9
7 GND
VS2
8
CBOOT2
RBOOT2
DBOOT2
Load
Figure 2. Full-Bridge Power Supply Application
FAN7385 Rev.01
15V
INPUT1
INPUT2
C1
RBOOT
DBOOT
1
VDD
2 NC
3 IN1
4 NC
5 ^IN2
6 NC
7 GND
VB1 14
HO1 13
VS1 12
NC 11
VB2 10
HO2 9
VS2
8
CBOOT
C2
VDC
Q1
Resonant Converter
L
C
Vout
Q2
Co
Figure 3. Half-Bridge LCC Resonant Converter Application
FAN7385 Rev.01
© 2006 Fairchild Semiconductor Corporation
FAN7385 Rev. 1.0.2
2
www.fairchildsemi.com