LT8312
14
8312fa
For more information www.linear.com/LT8312
LINEAR TECHNOLOGY CORPORATION 2015
LT 0216 REV A • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LT8312
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
LT3798 Off-Line Isolated No Opto Flyback Controller with Active PFC V
IN
and V
OUT
Limited Only By External Components
LT3752/
LT3752-1
Active Clamp Synchronous Forward Controllers with Internal
Housekeeping Controller
Input Voltage Range: LT3752: 6.5V to 100V, LT3752-1: Limited Only By
Eternal Components
LT3753 Active Clamp Synchronous Forward Controller Input Voltage Range: 8.5V to 100V
LT8311 Synchronous Rectifier Controller with Opto-Coupler Driver
for Forward Converters
Optimized for Use with Primary-Side LT3752/LT3752-1, LT3753 and
LT8310 Controllers
LT3748 100V Isolated Flyback Controller 5V ≤ V
IN
≤ 100V, No Opto Flyback, MSOP-16 with High Voltage Spacing
LT C
®
3765/
LTC3766
Synchronous No Opto Forward Controller Chip Set with
Active Clamp Reset
Direct Flux Limit, Supports Self Starting Secondary Forward Control
LTC3723-1/
LTC3723-2
Synchronous Push-Pull and Full-Bridge Controllers High Efficiency with On-Chip MOSFET Drivers, Adjustable Synchronous
Rectification Timing
LTC3722/
LTC3722-2
Synchronous Full Bridge Controllers Adaptive or Manual Delay Control for Zero Voltage Switching, Adjustable
Synchronous Rectification Timing
90V
TO 265V
AC
0.1µF
10µF
2.2µF
499k
499k
1M
95.3k
560µF
×2
V
OUT
400V
0.5A
4.7pF
4.7µF
100k
221k
100k
100k
2k
1M
1M
9.53k
0.01Ω
8312 TA04
D3
D4
D2
20Ω
20Ω
4:1
•
•
V
IN
V
IN_SENSE
FB
GATE
EN/UVLO
DCM
LT8312
V
C
SENSEV
REF
OVP
GND
INTV
CC
Universal Input 200W PFC Boost Converter
