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Product Detailed Parameters
- Description：IC REG CTRLR MULT TOP 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive and Negative
- Topology：Boost, Flyback, SEPIC
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：2.9V ~ 40V
- Frequency - Switching：100kHz ~ 1MHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：No
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：Enable, Frequency Control, Soft Start
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Supplier Device Package：10-MSOP-EP
- Grade：-
- Qualification：-
Download product information
Overview
The LT3757HMSE#PBF is a wide input range, current mode DC/DC controller from Analog Devices Inc. It supports Boost, Flyback, SEPIC, and Inverting topologies with positive or negative outputs. The device operates within an input voltage range of 2.9V to 40V and features a programmable switching frequency from 100kHz to 1MHz. It includes clock synchronization, enable control, soft start, and UVLO. The component is housed in a 10-MSOP-EP package and rated for junction temperatures up to 150°C.
Feature Summary
- Supports multiple converter topologies including boost, flyback, SEPIC, and inverting configurations
- Features high efficiency typical conversion rates up to 96% with no sense resistor current detection
- Includes integrated 7.2V LDO for driving external N-channel MOSFETs
- Offers comprehensive protection mechanisms such as output overvoltage, overcurrent, and frequency foldback
Applications
- Automotive power systems
- Industrial power supplies
- Telecommunications equipment
- Battery-powered portable devices
Procurement Notes
Verify the specific suffix HMSE against official Analog Devices documentation to confirm the extended temperature rating and package type. Ensure compatibility with the required thermal management solutions for the MSOP-EP package. Cross-reference the datasheet revision history for any recent material or marking changes that may affect integration.
Selection Notes
Select this controller when designing circuits requiring wide input voltage ranges and flexible topology options. Consider the 150°C junction temperature rating for high-thermal environments. Evaluate the need for clock synchronization if operating in noise-sensitive applications. Confirm that the external component selection aligns with the specified current mode control architecture.
Part Context
The LT3757 series represents a family of versatile DC/DC controllers designed by Analog Devices (formerly Linear Technology). The LT3757A variant offers improved performance characteristics, while the H-grade version extends the operational temperature range. This component is part of a broader portfolio aimed at efficient power management in demanding industrial and automotive sectors.
Replacement Considerations
LT3757EMSE#PBF
FAQ
What is the maximum junction temperature for the LT3757HMSE#PBF?
The LT3757HMSE#PBF is rated for a junction temperature range up to 150°C.
Does the LT3757 support synchronous rectification?
No, the LT3757 does not include internal synchronous rectification; it requires external MOSFETs for the high-side and low-side switches.
