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Product Detailed Parameters
- Description：IC REG CTRLR MULT TOPOLOGY 10DFN
- 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 ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-WFDFN Exposed Pad
- Supplier Device Package：10-DFN (3x3)
- Grade：-
- Qualification：-
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Overview
The LT3757EDD#PBF is a wide input range, current mode DC/DC controller from Analog Devices Inc. designed for Boost, Flyback, SEPIC, and Inverting topologies. It operates with an input voltage range of 2.9V to 40V and supports switching frequencies from 100 kHz to 1 MHz. The device features an internal 7.2V low dropout regulator and offers positive or negative output configurations. It is housed in a 10-lead DFN (3mm × 3mm) package with exposed pad. Operating temperatures range from -40°C to +125°C.
Feature Summary
- Supports multiple converter topologies including Boost, Flyback, SEPIC, and Inverting configurations.
- Integrates a high-voltage, low dropout linear regulator for efficient power supply management.
- Allows synchronization to an external clock signal for noise reduction and frequency alignment.
Applications
- Battery-operated portable electronics requiring wide input voltage ranges.
- Automotive power supplies handling high voltage inputs.
- Industrial power systems utilizing SEPIC or flyback architectures.
Procurement Notes
Verify the specific suffix #PBF indicates lead-free compliance when sourcing. Confirm the DFN package variant matches the required footprint for PCB layout. Ensure the supplier provides official datasheets to validate electrical characteristics against application requirements before finalizing procurement orders.
Selection Notes
Select this component for applications requiring flexible topology support and wide input voltage coverage. Consider the 10-DFN package size for space-constrained designs. Evaluate the need for external synchronization if operating in noisy environments. Verify thermal performance within the specified junction temperature range during design.
Part Context
This part belongs to the LT3757 family of DC/DC controllers. It shares functional similarities with other members like the LT3757A but may differ in specific electrical parameters or packaging options. The series is designed for versatile power conversion needs across various industrial and consumer sectors.
Replacement Considerations
LT3757AIDD#PBF serves as a verified substitute within the same product family. Check datasheet specifications for pin compatibility and electrical parameter alignment before substitution.
