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| Categories | Power Driver Modules |
|---|---|
| Description: | PowerVFQFN-31 Power Driver Modules RoHS |
| Mfr. Part #: | AOZ5537QI |
| Model Number: | AOZ5537QI |
| Package: | PowerVFQFN-31 |
| Company Info. |
| Hefei Purple Horn E-Commerce Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
The AOZ5537QI is a high-efficiency synchronous buck power stage module featuring two asymmetrical MOSFETs and an integrated driver. Optimized for synchronous buck configurations, it offers fast switching with low duty cycle operation and minimizes conduction loss through an ultra-low ON-resistance Low-Side MOSFET. Its compact 5mm x 5mm QFN package is designed to minimize parasitic inductance for reduced EMI. The module supports TTL and Tri-state compatibility via PWM and/or FCCM inputs for precise power MOSFET switching control. Key features include an integrated bootstrap switch, diode emulation mode for asynchronous operation, and an optimized pin-out for low parasitics. It is suitable for applications such as servers, notebook computers, VRMs for motherboards, point-of-load DC/DC converters, memory and graphic cards, and video gaming consoles.
| Parameter | Rating | Conditions | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|---|
| General Specifications | ||||||
| Power Supply Range | 4.5V to 25V | V | ||||
| Driver Supply Range | 4.5V to 5.5V | V | ||||
| Continuous Output Current | 50A | A | ||||
| Pulse Current (10ms) | Up to 80A | A | ||||
| Pulse Current (10us) | Up to 120A | A | ||||
| Switching Operation | Up to 2MHz | MHz | ||||
| Package | 5mm x 5mm QFN-31L | |||||
| Electrical Characteristics | ||||||
| Power Stage Power Supply (VIN) | 4.5 to 25 | 4.5 | 25 | V | ||
| Driver Power Supply (VCC, PVCC) | 4.5 to 5.5 | 4.5 | 5.5 | V | ||
| Under-Voltage Lockout (VCC Rising) | 3.5 to 3.9 | 3.5 | 3.9 | V | ||
| Control Inputs (PWM, FCCM) | 0V to VCC | 0 | VCC | V | ||
| PWM Logic High Input Voltage | 4.1 | V | ||||
| PWM Logic Low Input Voltage | 0.7 | V | ||||
| PWM Input Tri-State Threshold Window | 1.5 to 3.3 | PWM = Floating | 1.5 | 3.3 | V | |
| FCCM Logic High Input Voltage | 3.9 | V | ||||
| FCCM Logic Low Input Voltage | 1.2 | V | ||||
| PWM to High-Side Gate Delay (tPDLU) | PWM: HL, VSWH: HL | 30 | ns | |||
| PWM to Low-Side Gate Delay (tPDLL) | PWM: LH, GL: HL | 25 | ns | |||
| Low-Side to High-Side Gate Deadtime (tPDHU) | GL: HL, GH: LH | 15 | ns | |||
| High-Side to Low-side Gate Deadtime (tPDHL) | GH: H1V, GL: LH | 13 | ns | |||
| Tri-State Shutdown Delay (tTSSHD) | PWM: L VTRI, GL: HL and PWM: HVTRI. VSWH: HL | 150 | ns | |||
| Tri-State Propagation Delay (tPTS) | PWM: VTRI4.1V, VSWH: LH and PWM: VTRI<0.7V, GL: L H | 45 | ns | |||
| Low-Side Minimum On-Time (tLGMIN) | FCCM = 0V, DCM mode | 350 | ns | |||
| Absolute Maximum Ratings | ||||||
| High Voltage Supply (VIN) | -0.3V to 30V | V | ||||
| Low Voltage Supply (VCC, PVCC) | -0.3V to 7V | V | ||||
| Switch Node Voltage Transient (PHASE/VSWH) | -8V to 38V | Peak voltages for 10ns per switching cycle | V | |||
| Storage Temperature (TS) | -65C to +150C | C | ||||
| Max Junction Temperature (TJ) | 150C | C | ||||
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