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Product Detailed Parameters
- Description：IC REG BUCK BOOST ADJ 6A DDPAK-7
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Up, Step-Down, Step-Up/Step-Down
- Output Configuration：Positive or Negative
- Topology：Buck, Boost, Cuk, Flyback, Forward Converter, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.7V
- Voltage - Input (Max)：30V
- Voltage - Output (Min/Fixed)：1.245V
- Voltage - Output (Max)：35V (Switch)
- Current - Output：6A (Switch)
- Frequency - Switching：500kHz
- Synchronous Rectifier：No
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
- Supplier Device Package：DDPAK-7
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Overview
The LT1370IR#PBF is a high-efficiency, high-frequency current mode switching regulator manufactured by Analog Devices Inc. It supports multiple topologies including Boost, Buck, Cuk, Flyback, Forward, and Inverting configurations. The device operates with an input voltage range of 2.7 V to 30 V and delivers a switch current of 6 A. It features a fixed switching frequency of 500 kHz and adjustable output voltage. The component is housed in a DDPAK-7 surface-mount package and is rated for an industrial operating temperature range from 0°C to +70°C.
Feature Summary
- Supports versatile power conversion topologies including buck, boost, flyback, forward, and SEPIC configurations within a single integrated circuit.
- Integrates a high-frequency current mode controller to enable the use of small passive components while maintaining stable regulation.
- Includes a shutdown pin feature to minimize quiescent current consumption during standby or low-power operational states.
Applications
- Industrial control systems requiring isolated or non-isolated DC-DC conversion
- Battery-powered equipment utilizing step-up or step-down voltage regulation
- Telecommunications infrastructure power distribution modules
Procurement Notes
Verify the specific suffix 'IR' confirms the industrial temperature grade (0°C to +70°C) and DDPAK-7 package variant. Confirm RoHS compliance status via the manufacturer's official documentation before integration. Ensure the ordering part number matches the required thermal performance specifications for the target application environment.
Selection Notes
Select this component when a single IC must support multiple converter topologies without external controller complexity. The 6 A switch current capability suits moderate power applications. Verify that the 500 kHz switching frequency aligns with electromagnetic interference constraints and inductor size requirements for the design.
Part Context
This part belongs to the LT1370 series of high-performance switching regulators. The series is characterized by its ability to implement various standard converter circuits using minimal external components. The IR suffix specifically denotes the industrial temperature rating and surface-mount packaging distinct from through-hole or military variants.
Replacement Considerations
LT1370CR#PBF: Commercial temperature grade variant (0°C to +70°C). LT1370HVIT7#PBF: High-voltage variant with different thermal and electrical characteristics. LT1370CT7#PBF: Through-hole TO-220-7 package variant.
