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Product Detailed Parameters
- Description：IC REG BST SEPIC ADJ 710MA 8MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- 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-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-MSOP
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Overview
The LT1317CMS8#PBF is a micropower, fixed-frequency step-up DC/DC converter manufactured by Analog Devices Inc. It operates over a wide input voltage range of 1.5V to 12V and provides an adjustable output voltage from 1.24V to 30V with a maximum output current of 0.2A. The device utilizes an 8-pin MSOP package. It features automatic shifting to power-saving Burst Mode operation at light loads, maintaining high efficiency across a broad load range from 300 uA to 200 mA.
Feature Summary
- Micropower fixed-frequency step-up DC/DC conversion architecture
- Automatic power-saving Burst Mode operation at light loads
- Wide input voltage operational range supporting single-cell lithium batteries
- High efficiency maintenance across a broad load spectrum
Applications
- Single Li-Ion cell to 4V/70mA conversion circuits
- Two-cell battery to 5V DC/DC converters with under-voltage lockout
- Universal wall cube to 4.1V PWM converter applications
- Two Li-Ion cells to 8.2V DC/DC converter designs
Procurement Notes
Verify the specific suffix #PBF indicates lead-free compliance when ordering. Confirm availability status as supply may be limited or restricted in certain regions. Ensure the 8-pin MSOP package matches the target PCB footprint requirements. Cross-reference the manufacturer part number with official Analog Devices documentation to confirm functional equivalence for design-in purposes.
Selection Notes
Select this component for applications requiring micropower step-up conversion from low input voltages. It is suitable for designs needing efficient operation across varying load conditions, particularly where light-load efficiency is critical. The wide input range accommodates single or dual-cell battery sources. Ensure the required output voltage falls within the 1.24V to 30V adjustable range and that the 0.2A current limit meets system demands.
Part Context
This component belongs to the LT1317 series of micropower switching regulators. It is designed for portable and battery-powered applications where space and energy efficiency are paramount. The MSOP package allows for compact board layouts. It serves as a solution for generating higher voltages from low-voltage sources like single-cell lithium-ion batteries or universal AC adapters.
FAQ
What is the input voltage range for the LT1317CMS8?
The LT1317CMS8 operates over a wide input voltage range of 1.5V to 12V.
How does the LT1317 handle light loads?
It features automatic shifting to power-saving Burst Mode operation at light loads to maintain high efficiency.
What is the maximum output current capability?
The device supports a maximum output current of 0.2A (200 mA).
