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Product Detailed Parameters
- Description：IC REG BST SEPIC 3.3V 800MA 8SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Boost, SEPIC
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：1.5V
- Voltage - Input (Max)：8V
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：-
- Current - Output：800mA (Switch)
- Frequency - Switching：Up to 300kHz
- 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 LT1304CS8-3.3#PBF is a micropower step-up DC/DC converter manufactured by Analog Devices Inc., housed in an 8-pin SOIC package. It operates from a wide input supply range of 1.5V to 8V and provides a fixed single output of 3.3V at up to 1.2A. The device integrates a low-battery detector that activates during shutdown, making it suitable for small, low-voltage battery-operated systems.
Feature Summary
- Integrates a low-battery detector function that remains active during shutdown mode
- Designed as a micropower step-up DC/DC converter for efficient energy management
- Capable of operating from a wide input voltage range suitable for various battery types
Applications
- Small low-voltage battery-operated systems
- Portable electronic devices requiring stable power rails
- Micropower applications with strict space constraints
Procurement Notes
Verify the specific suffix #PBF indicates lead-free compliance and RoHS status according to current manufacturer documentation. Confirm the fixed 3.3V output variant matches system requirements, as other output voltages may exist within the LT1304 family. Ensure the SOIC-8 package dimensions align with PCB layout specifications before finalizing procurement orders.
Selection Notes
Select this component when a fixed 3.3V output is required from a 1.5V to 8V input source without external feedback resistors. Consider the integrated low-battery detector feature if system monitoring during shutdown is necessary. Evaluate the 1.2A peak current capability against load demands to ensure adequate performance margins for the intended application environment.
Part Context
The LT1304 series consists of micropower step-up DC/DC converters designed for battery-powered applications. The CS8 suffix denotes the 8-pin SOIC package option. The -3.3 designation specifies the fixed 3.3V output version, distinguishing it from adjustable or other fixed voltage variants within the same product family.
Replacement Considerations
Consult official Analog Devices substitution guides for verified equivalents. Generic replacements may lack the integrated low-battery detector or specific micropower characteristics. Verify pinout compatibility and thermal performance before considering alternative components.
