ChipApex | Global Electronic Components Supplier
RT8237FZQW
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 CTRLR BUCK PWM WDFN-10
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：4.5V ~ 26V
- Frequency - Switching：290kHz ~ 430kHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Enable, Phase Control, Power Good, Soft Start
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-WFDFN Exposed Pad
- Supplier Device Package：10-WDFN (3x3)
- Grade：-
- Qualification：-
Download product information
Overview
The RT8237FZQW is a high-efficiency single synchronous buck PWM controller manufactured by Richtek USA Inc. It operates with an input voltage range of 4.5V to 26V and provides an adjustable output voltage from 0.7V to 3.3V. The device utilizes a constant on-time control scheme to ensure stability and efficiency across various load conditions. It features a 10-WDFN (3x3) package for compact surface-mount applications.
Feature Summary
- Employs constant on-time control architecture for stable operation
- Supports wide input voltage range up to 26V
- Integrates synchronous rectification for enhanced efficiency
- Enters diode emulation mode under light load conditions
Applications
- Point-of-load power supplies
- Battery-powered equipment
- Industrial control systems
Procurement Notes
Verify the specific suffix FZQW against official Richtek documentation to confirm pinout and thermal pad configuration. Ensure compatibility with your PCB footprint, as the 10-WDFN package requires precise soldering. Check current availability status as distribution channels may vary. Confirm RoHS compliance requirements match your manufacturing standards before finalizing orders.
Selection Notes
Select this component when a wide input voltage range and high efficiency are required for single-output buck conversion. The constant on-time topology offers fast transient response suitable for dynamic loads. Consider the 10-WDFN package size constraints and thermal dissipation needs relative to your application's power density requirements.
Part Context
This part belongs to the RT8237 family of synchronous buck controllers designed for general-purpose power management. The FZQW variant specifically denotes the 10-WDFN package type. It serves as a core switching element in DC-DC converter designs, replacing traditional non-synchronous solutions to improve overall system efficiency and reduce heat generation.
Replacement Considerations
Consult official Richtek substitution guides for verified alternatives. Generic replacements may differ in control loop characteristics or thermal performance. Verify that any substitute maintains the same input voltage range and package dimensions to ensure mechanical and electrical compatibility without redesigning the power stage.
