synchronous buck converter power module AOS AOZ5507QI 2 with integrated dual MOSFETs and driver
Key Attributes
Model Number:
AOZ5507QI_2
Product Custom Attributes
Mfr. Part #:
AOZ5507QI_2
Package:
PowerVFQFN-22
Product Description
Product Overview
The AOZ5507QI is a high-efficiency, high-performance DrMOS power module designed for synchronous buck converter applications. It integrates two asymmetrical MOSFETs and a driver for optimized performance. The module features a high-side MOSFET optimized for fast switching and low duty cycles, and a low-side MOSFET with ultra-low ON resistance for minimal conduction loss. It supports 5V (CMOS) logic and Tri-State PWM inputs, offering versatility with features like integrated bootstrap switch and diode emulation mode for improved light-load performance. The pin-out is optimized to minimize parasitic effects.
Product Attributes
- Brand: Alpha and Omega Semiconductor (AOS)
- Product Line: AOS Green Products (Reduced Halogens, RoHS Compliant)
- Package Type: QFN3.5x4.5-22L
Technical Specifications
| Parameter | Rating | Units |
|---|---|---|
| Part Number | AOZ5507QI | |
| Power Supply Range (VIN) | 4.5 to 25 | V |
| Driver Supply Range (VCC, PVCC) | 4.5 to 5.5 | V |
| Max Instantaneous Current (20ms @ 14V VIN) | 65 | A |
| Max Instantaneous Current (20ms @ 22V VIN) | 60 | A |
| Max Instantaneous Current (10ms pulse) | 50 | A |
| Max Instantaneous Current (10s pulse) | 80 | A |
| Switching Frequency | Up to 2 | MHz |
| PWM Input Compatibility | 5V / Tri-State | |
| Control Mode | FCCM (Diode Emulation / CCM) | |
| Junction Temperature Range | -40 to +150 | C |
| Package Dimensions | 3.5 x 4.5 | mm |
| Under-voltage Lockout (VCC Rising) | 3.5 (Typ.) | V |
| PWM Logic High Input Voltage (VPWMH) | 4.20 | V |
| PWM Logic Low Input Voltage (VPWML) | 0.72 | V |
| PWM Tri-State Window (VTRI) | 1.60 to 3.40 | V |
| FCCM Logic High Input Voltage (VFCCM_H) | 3.9 | V |
| FCCM Logic Low Input Voltage (VFCCM_L) | 1.1 | V |
| FCCM Tri-State Window | 2.0 to 3.0 | V |
| PS4 Exit Latency (tPS4_EXIT) | 5 to 15 | s |
| PWM to HS Gate Delay (tPDLU) | 30 | ns |
| PWM to LS Gate Delay (tPDLL) | 25 | ns |
| LS to HS Gate Deadtime (tPDHU) | 15 | ns |
| HS to LS Gate Deadtime (tPDHL) | 13 | ns |
| Tri-State Shutdown Delay (tTSSHD) | 150 | ns |
| Tri-State Propagation Delay (tTSEXIT) | 45 | ns |
| LS Minimum On Time (tLGMIN, DCM Mode) | 350 | ns |
Applications
- Memory and graphics cards
- VRMs for motherboards
- Point of load DC/DC converters
- Video gaming consoles
2411011258_AOS-AOZ5507QI-2_C6861019.pdf
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