ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC REG BUCK ADJ 4A 28HTSSOP
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3V
- Voltage - Input (Max)：6V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：6V
- Current - Output：4A
- Frequency - Switching：200kHz ~ 1MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：28-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：28-HTSSOP
- Grade：-
- Qualification：-
Download product information
Overview
The EL7554IREZ-T13 is a monolithic synchronous step-down DC/DC converter manufactured by Renesas Electronics Corporation. It delivers a maximum output current of 4A with an adjustable output voltage range from 0.8V to 6V. The device operates with an input voltage range of 3V to 6V and supports a switching frequency between 200kHz and 1MHz. It is housed in a 28-HTSSOP package with exposed pad, designed for surface mount installation. The component functions as a positive regulator and is rated for an operating temperature range of -40°C to +85°C.
Feature Summary
- Synchronous rectification architecture for enhanced efficiency
- Adjustable output voltage capability within specified limits
- Integrated thermal management via exposed pad design
Applications
- Portable electronic devices requiring efficient power conversion
- Embedded systems utilizing single-cell lithium-ion battery inputs
- General-purpose low-voltage DC-DC step-down applications
Procurement Notes
Verify the specific suffix configuration against official manufacturer documentation to ensure compatibility with required packaging and tape specifications. Confirm that the procurement channel provides valid traceability records. Check for any product change notices or lifecycle status updates prior to ordering, as availability may vary based on manufacturing schedules.
Selection Notes
Evaluate the thermal performance requirements of the application against the capabilities of the 28-HTSSOP package. Ensure that the external inductor and capacitor selections support the desired switching frequency and output ripple specifications. Verify that the control loop compensation components are suitable for the target output voltage and load conditions to maintain stability.
Part Context
This component belongs to the EL7554 series of high-efficiency synchronous buck regulators. It is part of Renesas' portfolio of power management integrated circuits designed for compact, space-constrained designs. The device integrates internal power switches to minimize external component count while maintaining robust performance across varying load conditions.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult official manufacturer cross-reference guides for potential alternatives.
