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Overview
| Topology | Buck Converter |
| Input voltage | 140-450 V |
| Switching frequency | 3.5-142 kHz |
| Output 1 | 5.25 V / 7 A |
Description
The LT®8316 is a micropower, high voltage flyback con-troller. No opto-isolator is needed for regulation. The device samples the output voltage from the isolated fly-back waveform appearing across a third winding on the transformer. Quasi-resonant boundary mode operation improves load regulation, reduces transformer size, and maintains high efficiency. At start-up, the LT8316 charges its INTVCC capacitor via a high voltage current source. During normal operation, the current source turns off and the device draws its power from a third winding on the transformer minimizing standby power dissipation. The LT8316 operates from a wide range of input supply voltages and can deliver up to 100W of power. It is available in a thermally enhanced 20-pin TSSOP package with four pins removed for high-voltage spacing.
Features
Spacing
Typical applications
- Electric Vehicles and Battery Stacks
- Isolated Telecom, Automotive, Industrial, Medical Power Supplies / Isolated Off-Line Housekeeping Power Supplies / Multioutput Isolated Power Supplies for Inverter Gate Drives
More information
Products
Order Code | Datasheet | Downloads | Status | Product series | L(mm) | f(mm) | Pins | Type | Mount | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-PHD Pin Header, 6 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | Length6 mm | – | Pins3 | TypeStraight | MountTHT | Rated Current2 A | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WA-SNSR Self-Retaining Spacer, 9.5 mm, 4.8 mm | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SNSR Self-Retaining Spacer | Length9.5 mm | Drilling in Panel4.8 mm | – | – | – | – | – | Operating Temperature -30 °C up to +85 °C |