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Product Detailed Parameters
- Description：LOW-IQ 2MHZ 60V ISOLATED SEPIC F
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Boost, Flyback, SEPIC
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：3V ~ 60V
- Frequency - Switching：100kHz ~ 2MHz
- Duty Cycle (Max)：95%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Enable, Frequency Control, Power Good, Soft Start
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：12-TSSOP (0.118", 3.00mm Width) Exposed Pad
- Supplier Device Package：12-MSOP-EP
- Grade：-
- Qualification：-
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Overview
The LT8357JMSE#PBF is a wide input range, current mode DC/DC controller from Analog Devices Inc. It supports boost, SEPIC, and flyback converter topologies with a maximum input voltage of 60V and switching frequency of 2MHz. The device features low quiescent current operation, internal soft start, and comprehensive protection including current limit and power good signaling. Operating temperature range is -40°C to 150°C TJ. Package: MSOP-16.
Feature Summary
- Supports boost, SEPIC, and flyback configurations
- Low quiescent current for efficiency
- Integrated soft start and current limit
- Power good indication
Applications
- Isolated power supplies
- Industrial control systems
- Battery-powered equipment
Procurement Notes
Verify the full part number LT8357JMSE#PBF matches requirements. Confirm package type is MSOP-16 and operating temperature range covers -40°C to 150°C TJ. Ensure application circuit design aligns with current mode control architecture and 60V max input specification.
Selection Notes
Select this controller for applications requiring flexible topology support (boost, SEPIC, flyback) within a 60V input range. Consider the 2MHz switching frequency for compact passive component sizing. Low IQ feature suits battery-operated designs. Verify thermal performance at 150°C TJ limit.
Part Context
Part of Analog Devices' LT8357 family of wide input range DC/DC controllers. Designed for high-efficiency isolated and non-isolated power conversion. Compatible with external MOSFETs for custom power stage implementation.
Replacement Considerations
LT8357IMSE#PBF (Industrial grade variant). Verify pinout and electrical specifications match before substitution.
FAQ
What converter topologies does the LT8357 support?
The LT8357 can be configured as a boost, SEPIC, or flyback converter.
What is the maximum input voltage for the LT8357?
The maximum input voltage is 60V.
