synchronous buck converter DrMOS module AOS AOZ5237QI with integrated bootstrap diode and low EMI design
Key Attributes
Model Number:
AOZ5237QI
Product Custom Attributes
Mfr. Part #:
AOZ5237QI
Package:
PowerVFQFN-31
Product Description
Product Overview
The AOZ5237QI is a high-efficiency, high-performance DrMOS power module designed for synchronous buck converter applications. It integrates two asymmetrical MOSFETs and a driver in a compact 5x5 QFN package, minimizing parasitic inductance for reduced EMI. Optimized for fast switching and low conduction loss, it supports 3.3V and 5V PWM logic with tri-state compatibility and offers pulse skip mode for power saving. The module is suitable for demanding applications like desktop computers, notebook computers, graphic cards, and video gaming consoles.
Product Attributes
- Brand: AOS (Alpha and Omega Semiconductor)
- Product Type: DrMOS Power Module
- Package Type: QFN5x5_31L
- Certifications: RoHS
- Compliance: AOS Green Products (Reduced Halogens, RoHS compliant)
Technical Specifications
| Parameter | Rating | Unit |
|---|---|---|
| Power Supply Range (VIN) | 4.5 to 25 | V |
| Driver Supply Range (VCC, PVCC) | 4.5 to 5.5 | V |
| Peak Output Current | Up to 60 | A |
| Continuous Output Current | Up to 40 | A |
| Switching Frequency | Up to 2 | MHz |
| Integrated Bootstrap Diode | Yes | |
| Pulse Skip Mode | Supported | |
| Intel Power State Support | 4 | |
| Thermal Warning Output | Yes | |
| Thermal Shutdown | Yes | |
| Tri-state PWM Input | Compatible | |
| Under-Voltage Lockout (UVLO) Protection | Yes | |
| Package Dimensions | 5x5 | mm |
| Ambient Temperature Range | -40 to +125 | C |
| Max Junction Temperature (TJ) | 125 | C |
| PWM Input High Threshold (VPWMH) | 2.65 (Typ) | V |
| PWM Input Low Threshold (VPWML) | 0.7 (Typ) | V |
| PWM Input Resistance (SMOD# = HI/LO) | 10 (Typ) | M |
| PWM Input Resistance (SMOD# = Mid) | 63 (Typ) | k |
| SMOD# Input High Voltage (VSMOD#_HI) | 2.65 (Typ) | V |
| SMOD# Input Mid-state Voltage (VSMOD#_MID) | 1.4 to 2.0 | V |
| SMOD# Input Low Voltage (VSMOD#_LO) | 0.7 (Typ) | V |
| Thermal Warning Temperature (TTHWN) | 150 (Typ) | C |
| Thermal Shutdown Temperature (TTHDN) | 180 (Typ) | C |
2411272340_AOS-AOZ5237QI_C6741073.pdf
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