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Product Detailed Parameters
- Description：IC REG CUK ADJ 300MA TSOT23-5
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Negative
- Topology：Cuk
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：1.2V
- Voltage - Input (Max)：15V
- Voltage - Output (Min/Fixed)：-1.2V
- Voltage - Output (Max)：-34V
- Current - Output：300mA (Switch)
- Frequency - Switching：-
- Synchronous Rectifier：No
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-5 Thin, TSOT-23-5
- Supplier Device Package：TSOT-23-5
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Overview
The LT1617ES5#TRMPBF is a Cuk switching regulator IC manufactured by Analog Devices Inc., housed in a TSOT-23-5 surface-mount package. It provides a negative, adjustable output voltage ranging from -1.2V to -34V with a maximum switch current of 300mA. The device operates on an input voltage between 1.2V and 15V. It supports boost and buck/boost functionalities within its topology. The component is rated for an operating temperature range of 0°C to 70°C.
Feature Summary
- Implements Cuk topology for efficient DC-to-DC conversion
- Provides negative output voltage configuration
- Supports adjustable output voltage settings
- Integrates boost and buck/boost operational modes
Applications
- Li-Ion to negative voltage inversion converters
- General-purpose negative voltage generation circuits
- Power supply designs requiring isolated negative rails
Procurement Notes
Verify the specific suffix #TRMPBF confirms tape-and-reel packaging upon order confirmation. Ensure the procurement channel sources directly from authorized distributors or the manufacturer to guarantee component authenticity. Cross-reference the full part number against official Analog Devices documentation to confirm compatibility with required RoHS standards and environmental classifications before finalizing purchase orders.
Selection Notes
Select this component when a negative output voltage is required from a positive input source using a Cuk topology. It is suitable for applications needing adjustable negative voltages up to -34V with moderate current demands. Consider the TSOT-23-5 package constraints for space-limited designs. Verify that the input voltage range aligns with the system's power supply capabilities and that the thermal performance meets the 0°C to 70°C operating environment requirements.
Part Context
This part belongs to the LT1617 family of switching regulators designed for compact power management solutions. The ES5 designation indicates the specific TSOT-23-5 package variant. As a Cuk converter, it offers continuous input and output currents, which can reduce filtering requirements compared to other topologies. It serves as a specialized solution for generating negative voltages in portable and battery-powered systems.
Replacement Considerations
LT1617ES5-1#TRMPBF is a documented related variant within the same family offering positive output configurations.
