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Product Detailed Parameters
- Description：IC REG BST SEPIC ADJ 710MA 8SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Boost, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：1.5V
- Voltage - Input (Max)：12V
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：30V (Switch)
- Current - Output：710mA (Switch)
- Frequency - Switching：620kHz
- Synchronous Rectifier：No
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SO
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Overview
The LT1317CS8#TRPBF is a high-efficiency, monolithic switching regulator manufactured by Analog Devices Inc. It operates as a boost DC/DC converter with an integrated 2A power switch. The device supports an input voltage range of 1.5V to 12V and delivers up to 500mA output current at voltages up to 30V. It features a fixed 600kHz PWM switching frequency and low quiescent current of 100µA. Packaged in an SOIC-8 surface-mount format, it includes shutdown functionality for power management.
Feature Summary
- Integrates a 2A power switch for high efficiency in compact designs
- Operates from low input voltages starting at 1.5V
- Includes shutdown pin for extended battery life applications
Applications
- Battery-powered portable equipment
- Automotive electronics requiring 12V to higher voltage conversion
- General-purpose step-up power supplies
Procurement Notes
Verify the #TRPBF suffix indicates tape-and-reel packaging distinct from tube variants. Confirm RoHS compliance status through official documentation. Ensure the SOIC-8 package dimensions match PCB footprint requirements. Validate operating temperature range specifications against environmental constraints before integration.
Selection Notes
Select this component when input sources are low-voltage batteries or single-cell supplies requiring boosted output. The 600kHz frequency allows for smaller external inductors compared to lower-frequency alternatives. Consider the 2A switch limit for load requirements. Verify thermal performance within the SOIC-8 package for the specific application duty cycle.
Part Context
This part belongs to the LT1317 family of micropower switching regulators. It shares core topology with the LT1317BCS8 but may differ in electrical tolerances or temperature grades. The TRPBF suffix specifically denotes reel packaging for automated assembly, differing from the CS8 tube variant.
Replacement Considerations
LT1317BCS8#PBF offers similar functionality with potential variations in electrical characteristics. LT1317CS8#PBF provides identical circuitry in tube packaging. Verify pin compatibility and thermal dissipation capabilities when substituting.
