Datasheet LT8310 (Analog Devices) - 36

LT8310
Typical applicaTion 94% Efficient, 150W Isolated Synchronous Forward Converter
L1 V 8µH V IN T1 OUT 36V TO 72V 8:4 12V C1 47µF + 0A TO 12.5A 4.7µF D1 • • 20k ×2 470µF 100V ×4 1µF 3.9nF 68pF 86.6k 100V 100k UVLO VIN 1.74k M2 FG FB 178Ω 390pF 11.3k OVLO CSP FSW 250V LT8310 1.43k –V M3 CG CSW OUT GATE M1 178Ω LT8311 CSN VIN VOUT V 100k INTVCC INTVCC SENSE 4.7µF R SYNC PGOOD 16V SENSE 121k 0.012Ω RDVIN COMP INTVCC GND 22nF OPTO PMODE 2.2µF DFILT 220pF SS TIMER GND 3.9nF NC SYNC SOUT RT T2 4k 3.3k 499k 4.7µF SS V V 1.25:1 C FBX INTVCC 22nF 40.2k 90.9k 8310 TA06a 249kHz • • 100pF 499Ω 560Ω 0.47µF 20k 10k D1: CENTRAL SEMI CMMR1U-02 –VIN L1: CHAMPS HRPQI2050-08 M1: INFINEON BSC320N20NS3G 62k 1µF 4k M2: INFINEON BSC042NE7NS3 M3: FAIRCHILD SEMI FDMS86101DC PS2801-1 T1: PULSE PA0423 T2: PULSE PA3493NL
relaTeD parTs PART NUMBER DESCRIPTION COMMENTS
LT3752/LT3752-1 Active Clamp Synchronous Forward Controllers with Internal Input Voltage Range: LT3752: 6.5V to 100V, LT3752-1: Limited Housekeeping Controller Only by External Components LT3753 Active Clamp Synchronous Synchronous Forward Controller Input Voltage Range: 8.5V to 100V LT8311 Preactive Secondary-Side Synchronous Forward Controller Optimized for Use with Primary-Side LT3752/-1, LT3753 and LT8310 Controllers LTC®3765/LTC3766 Synchronous No-Opto Forward Controller Chip Set with Direct Flux Limit™, Supports Self-Starting Secondary Forward Active Clamp Reset Control LTC3723-1/LTC3723-2 Synchronous Push-Pull and Full-Bridge Controllers High Efficiency with On-Chip MOSFET Drivers, Adjustable Synchronous Rectification Timing LTC3721-1/LTC3721-2 Nonsynchronous Push-Pull and Full-Bridge Controllers Minimizes External Components, On-Chip MOSFET Drivers LTC3722/LTC2722-2 Synchronous Full-Bridge Controllers Adaptive or Manual Delay Control for Zero Voltage Switching, Adjustable Synchronous Rectification Timing LT3748 100V Isolated Flyback Controller 5V ≤ VIN ≤ 100V, No-Opto Flyback , MSOP-16 with High Voltage Spacing LT3798 Off-Line Isolated No-Opto Flyback Controller with Active PFC VIN and VOUT Limited Only by External Components LTC3900 Synchronous Rectifier N-Channel MOSFET Driver for Programmable Timeout and Reverse-Inductor Protection, Forward Converters Transformer Synchronization, SSOP-16 LT4430 Secondary-Side Optocoupler Driver with Reference Voltage Overshoot Control Prevents Output Overshoot During Start-up and Short-Circuit Recovery 8310f 36 LT 0814 • PRINTED IN USA Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95 F0o3r 5m-o 7 r4e in 17 formation www.linear.com/LT8310 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LT8310 LINEAR TECHNOLOGY CORPORATION 2014 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagrams Operation Applications Information Typical Applications Package Description Typical Application Related Parts