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AOZ22645QI
EZBuck™ DC-DC Buck Regulators
The AOZ22645QI is a high-efficiency, easy-to-use DC/ DC synchronous buck regulators capable of operation from a 4V to 28V input bus. The device is capable of supplying 16A of continuous output current with an output voltage adjustment from 0V to 1.8V by controlling VID0 and VID1 signals. The AOZ22645QI is available in a 4 mm × 4 mm QFN-30L package and is rated over a -40°C to +85°C ambient temperature range.
- Datasheets
- Markings
- Reliability Reports
- Tape & Reel
- Tape & Reel
Features
- Wide input voltage range:
- 4V to 28V
- Support Intel ITDC up to 16A
- Support Intel ICCMAX up to 45A
- 2 bits programmable output voltage adjustable from 0V to 1.8V
- Integrated high performance trench MOSFETs capable of:
- High peak current
- Up to 45A with 10ms on pulse
- Up to 70A with 10µs on pulse
- High efficiency
- 11mΩ high-side
- 4mΩ low-side
- Selectable PFM light load operation
- Adjustable load-line compensation
- High accuracy current monitor
- Remote sense
- Fixed soft start
- Power Good output
- Thermally-enhanced 4 mm × 4 mm QFN-30L package
Features
- Wide input voltage range:
- 4V to 28V
- Support Intel ITDC up to 16A
- Support Intel ICCMAX up to 45A
- 2 bits programmable output voltage adjustable from 0V to 1.8V
- Integrated high performance trench MOSFETs capable of:
- High peak current
- Up to 45A with 10ms on pulse
- Up to 70A with 10µs on pulse
- High efficiency
- 11mΩ high-side
- 4mΩ low-side
- Selectable PFM light load operation
- Adjustable load-line compensation
- High accuracy current monitor
- Remote sense
- Fixed soft start
- Power Good output
- Thermally-enhanced 4 mm × 4 mm QFN-30L package
Documentation
| Title | Type | Date | File |
|---|---|---|---|
| AOZ22645QI Datasheet | Datasheets | 2022-10-21 | |
| AOZ22645QI Marking | Markings | 2022-03-08 | |
| AOZ22645QI Reliability Report | Reliability Reports | 2022-03-08 | |
| QFN4x4 Tape & Reel | Tape & Reel | 2023-04-24 | |
| QFN4x4_30L_EP2_S Tape & Reel | Tape & Reel | 2024-04-25 |
Parametrics
Status | Full Production |
Min Vin (V) | 4 |
Max Vin (V) | 28 |
Max Output I (A) | 15 |
Min VOUT (V) | 0 |
Max VOUT (V) | 1.80 |
Control Mode | COT |
Light Load Mode | Yes |
Ultrasonic Mode | No |
External Comp | No |
VCC Supply | External |
Operating Freq (kHz) | 400 |
Iq (uA) | 70 |
Soft Start (ms) | 1.5 |
HS FET RDS(ON) (mΩ) | 11 |
LS FET RDS(ON) (mΩ) | 4 |
Max Duty Cycle | 85% |
Adj. I Limit | No |
Remote Sense | Yes |
Enable | Yes |
PGood | Yes |
Forced PWM | Yes |
Ripple Reduction | Yes |
Low Power Mode | No |
Protection | Latch |
Digital Interface | 2-bit VID |
Output Discharge | No |