LT1110CS8-5#PBF

$5.66

Description：IC REG BUCK BOOST 5V 1.5A 8SO
Series：-
Mfr：Linear Technology
Package：Bulk

SKU:17c84c1b8cc0 Category: Voltage Regulators - DC DC Switching Regulators Brand: Linear Technology

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK BOOST 5V 1.5A 8SO
Series：-
Mfr：Linear Technology
Package：Bulk
Function：Step-Up, Step-Down
Output Configuration：Positive
Topology：Buck, Boost
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：1V
Voltage - Input (Max)：30V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Current - Output：1.5A (Switch)
Frequency - Switching：70kHz
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
Grade：-
Qualification：-

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LT1110CS8-5#PBF

Overview

The LT1110CS8-5#PBF is a micropower DC-DC converter manufactured by Analog Devices. It operates at supply voltages from 1.0V to 30V and delivers a fixed 5V output with an 800mA switch current capability. The device supports step-up or step-down modes using only three external components. Key electrical parameters include a quiescent current of 300µA, a switching frequency of 72kHz, and an operating temperature range of 0°C to +70°C. It is housed in an 8-pin SOIC package.

Feature Summary

Operates with a minimum supply voltage of 1.0V, enabling use with single-cell power sources
Requires only three external off-the-shelf components for fixed or adjustable output configurations
Integrates an on-chip auxiliary gain block functioning as a low battery detector or linear post regulator
Features internal user-adjustable current limit protection

Applications

Remote instrumentation powered by primary cells
Battery-operated systems requiring minimal quiescent current
Low-battery detection circuits
Step-up or step-down conversion for input sources greater than 1.0V

Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence when sourcing. Confirm the manufacturer is Analog Devices Inc., as Linear Technology was acquired. Ensure the package type matches the required PCB footprint for the SOIC-8 configuration. Check for any obsolescence notices or lifecycle status changes directly from the manufacturer's official documentation before finalizing procurement plans.

Selection Notes

Select this component for applications prioritizing low standby current consumption over high-frequency efficiency. It is suitable for designs where input voltages may drop below standard regulator thresholds. Consider the LT1111 if the application primarily requires step-down conversion with input voltages exceeding 3V, as it offers optimized performance for that specific topology.

Part Context

This part belongs to the LT1110 family of micropower DC-DC converters. The CS8-5 designation specifies the commercial temperature grade, surface-mount SOIC-8 packaging, and the fixed 5V output variant. The #PBF suffix denotes lead-free manufacturing compliant with environmental directives.