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Product Detailed Parameters
- Description：IC REG BST FLYBACK ADJ TSOT23-5
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Boost, Flyback, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.3V
- Voltage - Input (Max)：16V
- Voltage - Output (Min/Fixed)：1.265V
- Voltage - Output (Max)：38V
- Current - Output：2A (Switch)
- Frequency - Switching：1.2MHz
- 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 LT1935ES5#TRMPBF is a synchronous boost DC/DC converter IC manufactured by Analog Devices Inc. It operates with a fixed switching frequency of 1.2MHz and supports an input voltage range from 2.3V to 16V. The device delivers up to 2A of switch current capability, enabling high output voltages reaching 38V. It utilizes a TSOT-23-5 package for surface mount installation. The component features low shutdown current below 1µA and includes soft-start functionality to limit inrush current during startup.
Feature Summary
- Integrates a high-power internal switch capable of handling 2A current within a compact footprint
- Provides low quiescent current consumption in shutdown mode for battery efficiency
- Incorporates soft-start circuitry to manage startup transients and reduce stress on components
Applications
- Space-constrained portable electronic devices requiring efficient power conversion
- Battery-powered systems needing step-up voltage regulation from single-cell sources
- Industrial control modules utilizing standard surface-mount assembly processes
Procurement Notes
Verify the specific suffix TRMPBF indicates tape and reel packaging when ordering. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the supplier provides valid traceability records matching the Analog Devices part number. Check for any regional distribution restrictions that may affect availability or shipping requirements.
Selection Notes
Select this component when a high-current boost converter is required in a minimal SOT-23 form factor. Compare against alternatives like the LT1613 if pin compatibility with legacy designs is necessary. Evaluate thermal performance constraints given the small package size under maximum load conditions. Consider the 1.2MHz frequency impact on external inductor and capacitor selection for optimal efficiency.
Part Context
This part belongs to the LT1935 series of switching regulators designed for high-density power applications. It shares design lineage with other Linear Technology PMICs focusing on miniaturization without sacrificing current capacity. The ES5 designation specifies the extended temperature grade and TSOT-23-5 package variant suitable for automated surface mounting.
Replacement Considerations
The LT1613 is documented as a pin-for-pin compatible alternative within the same product family. Verify electrical parameter differences such as switch current ratings before substitution. Ensure functional equivalence regarding control loop stability and thermal characteristics.
