LTC1922EN-1#PBF
ActiveSYNCHRONOUS PHASE MODULATED FULL-BRIDGE CONTROLLER
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LTC1922EN-1#PBF
ActiveSYNCHRONOUS PHASE MODULATED FULL-BRIDGE CONTROLLER
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Technical Specifications
Parameters and characteristics for this part
| Specification | LTC1922EN-1#PBF |
|---|---|
| Clock Sync | True |
| Control Features | Ramp, Soft Start |
| Duty Cycle (Max) [Max] | 99 % |
| Frequency - Switching [Max] | 1 MHz |
| Function | Step-Up/Step-Down |
| Mounting Type | Through Hole |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 85 C |
| Operating Temperature [Min] | -40 ¯C |
| Output Configuration | Isolation Capable, Positive |
| Output Phases | 1 |
| Output Type | Transistor Driver |
| Package / Case | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-PDIP |
| Synchronous Rectifier | True |
| Topology | Full-Bridge |
| Voltage - Supply (Vcc/Vdd) [Max] | 10.3 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 3.8 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | Updated |
|---|---|---|---|---|
| Digikey | N/A | 0 | $ 8.73 | 1m+ |
Description
General part information
LTC1922-1 Series
The LTC1922-1 phase shift PWM controller provides all of the control and protection functions necessary to implement a high performance, zero voltage switched, phase shift, full-bridge power converter with synchronous rectification. The part is ideal for developing isolated, low voltage, high current outputs from a high voltage input source. The LTC1922-1 combines the benefits of the full-bridge topology with fixed frequency, zero voltage switching operation (ZVS). Adaptive ZVS circuity controls the turn-on signals for each MOSFET independent of internal and external component tolerances for optimal performance.The LTC1922-1 also provides secondary side synchronous rectifier control. The device uses peak current mode control with programmable slope comp and leading edge blanking.The LTC1922-1 features extremely low operating and start-up currents to simplify off-line start-up and bias circuitry. The LTC1922-1 also includes a full range of protection features and is available in 20-pin through hole (N) and surface mount (G) packages.ApplicationsTelecommunications, Infrastructure Power SystemsDistributed Power ArchitecturesServer Power SuppliesHigh Density Power Modules
Documents
Technical documentation and resources
