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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 or Negative, Isolation Capable
- Topology：Boost, Flyback, SEPIC
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：5.5V ~ 100V
- 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 LT3758EDD#PBF is a wide input range, current mode DC/DC controller from Analog Devices Inc., housed in a 10-DFN (3x3) package. It supports Boost, Flyback, SEPIC, and Inverting topologies with positive or negative outputs. The device operates within an input voltage range of 5.5 V to 100 V and features a switch frequency adjustable from 100 kHz to 1 MHz. Key electrical parameters include a maximum output current of 10 mA, a typical static current of 1.75 mA, and load regulation of -0.4%. It functions reliably across a temperature range of -40°C to +125°C.
Feature Summary
- Supports multiple converter topologies including Boost, Flyback, SEPIC, and Inverting configurations.
- Capable of generating positive, negative, or isolated output voltages.
- Features clock synchronization for system noise reduction.
Applications
- High input voltage DC/DC conversion systems
- Industrial power supply designs requiring wide input ranges
- Battery-powered equipment with high voltage requirements
Procurement Notes
Verify the specific suffix #PBF indicates tube packaging when ordering. Confirm that the DDD variant matches the required thermal and mechanical specifications for the target PCB layout. Ensure compatibility with the intended switching frequency and control loop compensation components before finalizing procurement.
Selection Notes
Select this component for applications requiring a wide input voltage range up to 100 V. Consider the 10 mA output limit when designing the driver stage. Evaluate the need for synchronous rectification, as this controller does not integrate it. Verify that the 10-DFN package fits the available board space and thermal constraints.
Part Context
This part belongs to the LT3758 family of high-voltage DC/DC controllers. It is designed for flexible power architecture implementations where standard regulators cannot handle the input voltage levels. The device complements other Analog Devices PMIC solutions by providing a robust control interface for external power switches.
Replacement Considerations
LT3758IDD#PBF serves as a direct pin-compatible alternative within the same family, offering identical functional capabilities in the same 10-DFN package. Both parts share the same topology support and electrical characteristics, allowing for interchangeability in existing designs without circuit modification.
