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Product Detailed Parameters
- Description：600VIN MICROPOWER, ISOLATED NO-O
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Transistor Driver
- Function：Step-Up, Step-Down
- Output Configuration：Positive
- Topology：Buck, Boost, Flyback
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：16V ~ 600V
- Frequency - Switching：220Hz ~ 140kHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：Yes
- Clock Sync：-
- Serial Interfaces：-
- Control Features：Current Limit, Enable, Soft Start
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：20-TSSOP (0.173", 4.40mm Width), 16 Leads, Exposed Pad
- Supplier Device Package：20-TSSOP-EP
- Grade：-
- Qualification：-
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Overview
The LT8316EFE#TRPBF is a micropower, high-voltage flyback controller from Analog Devices Inc., designed for isolated power supplies without opto-isolators. It operates with input voltages up to 560V and supports flyback topology. The device features a switching frequency range of 3.5 kHz to 140 kHz and delivers output currents between 30 mA and 4 A at 12 V. It offers a maximum output power of 100 W. Operating temperatures span from -40°C to +125°C. The component is housed in a TSSOP-20 package with SMD/SMT installation style.
Feature Summary
- Eliminates the need for opto-isolators by sampling output voltage directly from the secondary side for regulation.
- Supports high-voltage inputs up to 560V, suitable for direct connection to rectified mains or high-voltage DC sources.
- Integrates synchronous rectification control to improve efficiency in flyback converter designs.
- Includes built-in protection features such as current limit, enable control, and soft-start functionality.
Applications
- Isolated AC/DC adapters and chargers
- Industrial power supplies requiring high isolation voltage
- Battery charger systems with galvanic isolation
- Medical equipment power modules
Procurement Notes
Verify the specific suffix #TRPBF indicates tape-and-reel packaging when ordering. Confirm that the 560V rating aligns with your system's peak input voltage requirements. Ensure the TSSOP-20 thermal pad is properly connected to ground for optimal heat dissipation. Check local distribution availability as supply status may vary by region.
Selection Notes
Select this controller for applications requiring high input voltage isolation without the complexity of optocoupler feedback loops. Consider the 3.5 kHz to 140 kHz frequency range for EMI filtering trade-offs. Evaluate the 100W power limit against load requirements. The synchronous rectification feature makes it suitable for medium-power isolated converters where efficiency is critical.
Part Context
The LT8316EFE#TRPBF belongs to the LT8316 family of micropower controllers. It shares core architecture with variants like LT8316HFE but differs in input voltage specifications and packaging options. This model is specifically configured for high-voltage flyback applications within the broader PMIC portfolio.
Replacement Considerations
LT8316EFE#PBF is available in tube packaging instead of reel. LT8316HFE#TRPBF offers similar functionality but may have different electrical characteristics; verify datasheet compatibility before substitution.
