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Product Detailed Parameters
- Description：IC REG BUCK BOOST ADJ 2A TO220-5
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Up, Step-Down, Step-Up/Step-Down
- Output Configuration：Positive or Negative
- Topology：Buck, Boost, Flyback
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：8V
- Voltage - Input (Max)：45V
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：35V
- Current - Output：2A (Switch)
- Frequency - Switching：100kHz
- Synchronous Rectifier：No
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-220-5
- Supplier Device Package：TO-220-5
- Grade：-
- Qualification：-
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Overview
The LT1076CT#PBF is a monolithic bipolar switching regulator manufactured by Analog Devices Inc. It operates in a buck topology with a fixed 5V output and supports up to 1.6A output current. The device accepts an input voltage range of 8V to 45V, with a minimum operating voltage of 7.3V. It features a 100kHz switching frequency and draws 8.5mA of quiescent current. Housed in a TO-220-5 through-hole package, it functions within a temperature range of 0°C to +70°C.
Feature Summary
- Integrates power switch, oscillator, control circuitry, and current limit components on a single chip
- Capable of functioning as positive-to-negative converter, negative boost converter, or flyback converter
- Switch output specified to swing 40V below ground for tapped-inductor applications
Applications
- Positive step-down (buck) DC-DC conversion
- Positive-to-negative voltage inversion
- Negative boost converter configurations
- Flyback converter designs
Procurement Notes
Verify the specific suffix #PBF indicates lead-free compliance and RoHS status. Confirm the CT designation corresponds to Cut Tape packaging rather than Tube, as standard LT1076 variants often use tubes. Ensure the manufacturer is Analog Devices Inc., formerly Linear Technology, to guarantee component authenticity and datasheet alignment.
Selection Notes
Select this component when a robust bipolar switching regulator is required for high-current buck applications. The TO-220-5 package provides thermal advantages for through-hole implementations. Consider the 100kHz frequency for balancing component size and efficiency. Verify that the 1.6A continuous current rating meets the load requirements without excessive derating.
Part Context
This part belongs to the LT1076 series of monolithic switching regulators. It shares architectural similarities with other variants like the LT1076IQ and LT1076HVIT but differs in package type and temperature range. The series is known for integrating complex control logic into a simple external component count.
Replacement Considerations
LT1076CT-5#PBF: Fixed 5V output variant in similar configuration. LT1076CR-5#PBF: Adjustable/Fixed 5V variant in DDPAK-5 surface mount package.
