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Product Detailed Parameters
- Description：IC REG BUCK ADJ 350MA 10MSOP
- Series：-
- Mfr：Renesas Electronics Corporation
- 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 EL7535IYZ is a synchronous, integrated FET 350mA step-down regulator in a 10 Ld MSOP package. It operates with an input voltage range from 2.5V to 6V and features PWM mode control with a typical switching frequency of 1.4MHz. The output is adjustable from 0.8V to VIN using a resistive divider. Key specifications include <1µA shut-down current, short-circuit protection, and over-temperature protection. The device is internally compensated, requiring only five external components.
Feature Summary
- Synchronous step-down topology with integrated power FETs
- Internally compensated for minimal external component count
- Includes short-circuit and over-temperature protection mechanisms
Applications
- PDA and Pocket PC Computers
- Bar Code Readers
- Cellular Phones
- Portable Test Equipment
- Li-Ion Battery Powered Devices
Procurement Notes
Verify the specific suffix (e.g., IY vs IYZ) against official Renesas documentation to confirm package type and tape/reel configuration. Confirm RoHS compliance status as variations exist within the product line. Check for End-of-Life notifications or Product Change Notices that may affect availability or lead times.
Selection Notes
Select this component for designs requiring a compact solution with low quiescent current. Ensure the input supply stays within the 2.5V to 6V range. Verify that the required output voltage falls between 0.8V and the minimum input voltage. Consider the 1.4MHz switching frequency for inductor size trade-offs.
Part Context
The EL7535 belongs to the EL7535 series of monolithic DC-DC converters. It is part of Renesas' portfolio of small form-factor power management ICs designed for portable electronics. The family includes variants with different packaging options and slight parameter variations, all sharing the core 350mA synchronous buck architecture.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. Consult manufacturer discontinuance notices for potential recommended replacements.
