4.5V TO 18V INPUT, 5A LOW IQ SYNCHRONOUS BUCK CONVERTER
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The AP62500 is a 5A, synchronous buck converter with a wide input voltage range of 4.5V to 18V. The device fully integrates a 47mΩ high-side power MOSFET and an 18mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion.
The AP62500 device is easily used by minimizing the external component count due to its adoption of Constant On-Time (COT) control to achieve fast transient response, easy loop stabilization, and low output voltage ripple.
The AP62500 design is optimized for Electromagnetic Interference (EMI) reduction. The device has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off times, which reduces high-frequency radiated EMI noise caused by MOSFET switching.
The device is available in a V-QFN2030-12 (Type A) package.
| Compliance(Only Automotive supports PPAP) | Standard |
|---|---|
| Type | Buck |
| Minimum Input Voltage (V) | 4.5 |
| Maximum Input Voltage (V) | 18 |
| Output Current (A) | 5 |
| Minimum Output Voltage (V) | 0.6 |
| Maximum Output Voltage (V) | 7 |
| Quiescent Current Typ (µA) | 195 |
| Shutdown Current Typ (µA) | 1 |
| Frequency Typ (kHz) | 400/800/1200 |
| HS RDS(ON) (mΩ) | 47 |
| LS RDS(ON) (mΩ) | 18 |
| Features | Enable, Light Load Efficiency, Ultrasonic Mode, Forced PWM, Power-Good, Frequency Selectable, Soft-start Adjustable, Tracking, UVLO Adjustable, Overcurrent Protection, Thermal Shutdown, Synchronous Rectification |
A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.
| PCN # | Issue Date | Implementation Date | Subject |
|---|---|---|---|
| PCN-2605 | 2023-03-09 | 2023-06-09 | Qualified Additional Cu Pillar Bump Site and Bill of Materials (BOM) Lead Frame Material |
