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Product Detailed Parameters
- Description：IC REG BUCK BOOST 12V 1.5A 8SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Up, Step-Down
- Output Configuration：Positive or Negative
- Topology：Buck, Boost
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：2V
- Voltage - Input (Max)：30V
- Voltage - Output (Min/Fixed)：12V
- Voltage - Output (Max)：-
- Current - Output：1.5A (Switch)
- Frequency - Switching：23kHz
- 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 LT1173CS8-12#PBF is a micropower DC-DC converter manufactured by Analog Devices Inc., housed in an 8-pin SOIC package. It operates as a fixed-output regulator providing 12V at up to 800mA. The device supports boost, buck, and inverting topologies with an input voltage range of 2V to 30V. Key electrical parameters include a 23kHz switching frequency, 110µA quiescent current, and operation within a commercial temperature range of 0°C to +70°C.
Feature Summary
- Supports versatile step-up, step-down, and inverting conversion topologies
- Delivers fixed 12V output with high efficiency using minimal external components
- Designed for low power consumption applications with micropower operation
Applications
- Telecommunications power supply circuits
- Logic controlled flash memory VPP generators
- LCD bias voltage generation
- High power low quiescent current step-down converters
Procurement Notes
Verify the specific suffix CS8 corresponds to the SOIC-8 surface mount package configuration. Confirm the -12 designation indicates the fixed 12V output variant. Ensure compliance with RoHS directives if required for your assembly process. Cross-reference the manufacturer part number with official Analog Devices documentation to validate pinout and thermal specifications before integration.
Selection Notes
Select this component when a fixed 12V output is required from varying input sources between 2V and 30V. It is suitable for designs prioritizing low static current and minimal external component count. Consider the SOIC-8 package constraints for PCB layout. Evaluate the 800mA output capability against load requirements to ensure adequate performance margins under all operating conditions.
Part Context
This part belongs to the LT1173 series of micropower DC-DC converters. The series is characterized by its ability to function effectively in multiple conversion modes including boost, buck, and inverting configurations. The LT1173 family is widely used in portable and battery-powered applications where power efficiency and compact design are critical considerations for system longevity and size reduction.
Replacement Considerations
LT1173CN8-12#PBF is a documented PDIP-8 through-hole alternative offering identical electrical characteristics and functionality.
