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Product Detailed Parameters
- Description：IC REG BUCK ADJ 350MA 10MSOP
- Series：-
- Mfr：Intersil
- Package：Bulk
- 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 housed in a 10-lead MSOP package. It operates with an input voltage range from 2.5V to 6V and provides an adjustable output voltage from 800mV to VIN using a resistive divider. The device features PWM mode control with a typical switching frequency of 1.4MHz. It includes internal compensation, requiring only five external components for a complete DC/DC converter solution. The regulator offers less than 1µA shutdown current, short-circuit protection, and over-temperature protection, specified for operation between -40°C and +85°C.
Feature Summary
- Synchronous integrated FET design for high efficiency
- Internal loop compensation simplifies external component count
- PWM mode control with fixed switching frequency
- Comprehensive protection including short-circuit and thermal shutdown
Applications
- PDA and Pocket PC Computers
- Cellular Phones
- Li-Ion Battery Powered Devices
- Portable Test Equipment
- Small Form Factor (SFP) Modules
Procurement Notes
Verify the specific suffix 'T7' or 'T13' required for tape-and-reel packaging versus tube quantities. Confirm RoHS compliance status as historical Intersil data may vary by production batch. Check for End-of-Life notifications or discontinuance notices from Renesas Electronics, as this component series has faced supply restrictions. Ensure the 10-MSOP package dimensions match the target PCB footprint constraints.
Selection Notes
Select this component when a compact, low-current buck regulator is needed for battery-powered applications. The 350mA output current limits suitability for higher power loads. The 1.4MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the input voltage source remains within the 2.5V to 6V operational window to ensure stable regulation.
Part Context
The EL7535 belongs to the Intersil/Renesas EL753x family of monolithic step-down regulators. It shares architectural similarities with the EL7532 (2A) and EL7536 (1A), differing primarily in output current capability and package options. This specific part number represents the standard industrial temperature grade version in the MSOP-10 form factor, designed for space-constrained portable electronics.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. The EL7535 series is subject to discontinuance; consult Renesas Electronics for current recommended replacements or alternative product lines.
