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Product Detailed Parameters
- Description：IC REG BUCK ADJ 350MA 10MSOP
- Series：-
- Mfr：Intersil
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.5V
- Voltage - Input (Max)：6V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：5.5V
- Current - Output：350mA
- Frequency - Switching：1.4MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-MSOP
- Grade：-
- Qualification：-
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Overview
The EL7535IY is a synchronous, integrated FET step-down regulator manufactured by Renesas Electronics Corporation (formerly Intersil). It operates with an input voltage range from 2.5V to 6V and provides an adjustable output voltage from 0.8V to VIN via a resistive divider. The device delivers up to 350mA of output current at a typical switching frequency of 1.4MHz. It features internal compensation, requiring only five external components for operation. The IC is housed in a 10-lead MSOP package and is specified for operation over a temperature range of -40°C to +85°C.
Feature Summary
- Synchronous step-down topology with integrated power FETs
- Internal compensation simplifies design with minimal external components
- PWM mode control for efficient regulation
- Integrated short-circuit and over-temperature protection
Applications
- Portable electronics powered by Li-ion batteries
- Systems requiring 3.3V or 5V supply rails
- Battery-powered consumer devices
- General-purpose DC/DC conversion in space-constrained designs
Procurement Notes
Verify component authenticity through authorized channels as the EL7535IY may be subject to limited availability or end-of-life status. Confirm RoHS compliance requirements against specific project standards, as some listings indicate non-compliance. Ensure the 10-MSOP package dimensions match the target PCB footprint before finalizing procurement decisions.
Selection Notes
Select this regulator for applications requiring low component count and high efficiency within a 6V input limit. The internal compensation reduces design complexity compared to externally compensated alternatives. Consider the 350mA current limit when sizing output capacitors and inductors. Verify that the required output voltage falls within the 0.8V to VIN range supported by the resistive divider configuration.
Part Context
The EL7535IY belongs to the EL7535 series of monolithic step-down regulators. It shares architectural similarities with higher-current variants like the EL7536 but offers lower output current capability. The device represents Intersil's approach to compact power management solutions using synchronous rectification in small outline packages.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate alternative synchronous buck regulators from the same manufacturer family if direct replacements are required.
