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Product Detailed Parameters
- Description：IC REG BOOST CUK 3.3V 700MA 8SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive or Negative
- Topology：Boost, Cuk, Flyback
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：1.8V
- Voltage - Input (Max)：20V
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：-
- Current - Output：700mA (Switch)
- Frequency - Switching：Up to 500kHz
- 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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Overview
The LT1501CS8-3.3 is a multi-configuration switching regulator from Analog Devices, housed in an 8-SOIC package. It accepts input voltages from 1.8V to 20V and provides a fixed 3.3V output with up to 700mA current capability. The device supports Boost, Cuk, and Flyback topologies. It features adaptive-frequency current mode control for improved transient response and efficiency across varying load conditions.
Feature Summary
- Supports multiple converter topologies including Boost, Cuk, and Flyback configurations within a single IC
- Utilizes adaptive-frequency current mode control architecture for enhanced dynamic performance
- Operates with a wide input voltage range suitable for diverse power supply applications
Applications
- Battery-powered portable equipment requiring efficient step-up conversion
- Systems needing isolated or non-isolated negative voltage generation via Cuk topology
- Flyback-based low-power isolated power supplies
Procurement Notes
Verify the specific suffix and tape/reel versus tube packaging requirements against the official datasheet before ordering. Confirm that the 8-SOIC thermal characteristics meet your board layout constraints. Ensure compatibility with the required input voltage range of 1.8V to 20V for your specific circuit design.
Selection Notes
Select this component when a single regulator must support multiple topologies such as Boost, Cuk, or Flyback to reduce bill of materials. It is suitable for designs requiring adaptive frequency operation to optimize efficiency under light loads. Verify that the 700mA output current meets the peak demand of the target application.
Part Context
This part belongs to the LT1501 family of multi-configuration regulators manufactured by Analog Devices (formerly Linear Technology). It is designed as a versatile solution for space-constrained applications where multiple voltage conversion functions are needed from a single controller chip.
Replacement Considerations
Consult official Analog Devices documentation for qualified replacement parts. Generic substitutes may not replicate the adaptive-frequency control behavior or specific pinout configurations required for Boost, Cuk, or Flyback implementations.
