LT1317CS8#PBF

$7.83

Description：IC REG BST SEPIC ADJ 710MA 8SO
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:850ff0955245 Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BST SEPIC ADJ 710MA 8SO
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-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SO

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LT1317CS8#PBF

Overview

The LT1317CS8#PBF is a micropower, fixed-frequency step-up DC/DC converter manufactured by Analog Devices Inc. It operates within an input voltage range of 1.5V to 12V and provides a single adjustable output voltage from 1.24V to 30V. The device supports a maximum output current of 500mA and features a switching frequency of 600kHz. It utilizes a SOIC-8 surface-mount package and includes a shutdown function. The quiescent current is specified at 100uA, and the component is rated for commercial temperature operation between 0°C and +70°C.

Feature Summary

Micropower architecture with automatic Burst Mode operation for high efficiency at light loads
Fixed 600kHz PWM switching frequency enabling compact external component sizing
Integrated 500mA power switch capable of boosting input voltages up to 30V output

Applications

Universal wall cube to 4.1V PWM converter circuits
Low profile 3.3V to 5V conversion applications
Battery-powered systems requiring efficient step-up regulation

Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance when sourcing. Confirm availability status as distribution channels may report limited stock or regional restrictions. Ensure the SOIC-8 package variant matches the required PCB footprint. Cross-reference the manufacturer part number against official Analog Devices documentation to confirm authenticity and revision level before finalizing procurement orders.

Selection Notes

Select this component for designs requiring a wide input voltage range starting from 1.5V. The fixed 600kHz frequency is suitable for applications prioritizing small passive component size over variable frequency noise spreading. Consider the 500mA current limit for load requirements. The Burst Mode feature is advantageous for maintaining efficiency in standby or light-load conditions compared to standard continuous conduction modes.

Part Context

This part belongs to the LT1317 series of micropower switching regulators. It is distinct from other variants such as LT1317CMS8#PBF or LT1317BCS8#PBF primarily by its commercial temperature grade and specific packaging configuration. The series focuses on providing efficient step-up conversion in minimal space for portable and battery-operated electronics.