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AOZ1267AQI
EZBuck™ DC-DC Buck Regulators
Status: Full Production
The AOZ1267AQI is a high-efficiency, easy-to-use DC/DC synchronous buck regulator that operates up to 28V. The device is capable of supplying 8A of continuous output current with an output voltage adjustable down to 0.6V ±1%. The AOZ1267AQI is available in a 4 mm × 4 mm QFN-22L package and is rated over a -40°C to +85°C ambient temperature range.
Parametrics
Status | Full Production |
Min Vin (V) | 6.50 |
Max Vin (V) | 28 |
Max Output I (A) | 8 |
Min VOUT (V) | 0.60 |
Max VOUT (V) | 24 |
Package | QFN4x4-22L |
Control Mode | COT |
Light Load Mode | Yes |
Ultrasonic Mode | No |
External Comp | No |
VCC Supply | Internal |
Operating Freq (kHz) | 400 |
Iq (uA) | 150 |
Soft Start (ms) | External |
HS FET RDS(ON) (mΩ) | 30 |
LS FET RDS(ON) (mΩ) | 9 |
Max Duty Cycle | 85% |
Adj. I Limit | No |
Remote Sense | No |
Enable | Yes |
PGood | Yes |
Forced PWM | Yes |
Ripple Reduction | Yes |
Low Power Mode | No |
Protection | Latch |
Digital Interface | NA |
Output Discharge | No |
Parametrics
Status | Full Production |
Min Vin (V) | 6.50 |
Max Vin (V) | 28 |
Max Output I (A) | 8 |
Min VOUT (V) | 0.60 |
Max VOUT (V) | 24 |
Package | QFN4x4-22L |
Control Mode | COT |
Light Load Mode | Yes |
Ultrasonic Mode | No |
External Comp | No |
VCC Supply | Internal |
Operating Freq (kHz) | 400 |
Iq (uA) | 150 |
Soft Start (ms) | External |
HS FET RDS(ON) (mΩ) | 30 |
LS FET RDS(ON) (mΩ) | 9 |
Max Duty Cycle | 85% |
Adj. I Limit | No |
Remote Sense | No |
Enable | Yes |
PGood | Yes |
Forced PWM | Yes |
Ripple Reduction | Yes |
Low Power Mode | No |
Protection | Latch |
Digital Interface | NA |
Output Discharge | No |
Features
- Wide input voltage range
- 6.5V to 28V
- 8A continuous output current
- Output voltage adjustable down to 0.6V (±1.0%)
- Low RDS(ON) internal NFETs
- 30mΩ high-side
- 9mΩ low-side
- Selectable PFM light-load operation
- Adjustable soft start
- Ripple reduction
- Power Good output
- Thermally-enhanced 4 mm x 4 mm QFN-22L package
Documentation
| Title | Type | Date | File |
|---|---|---|---|
| AOZ1267AQI Datasheet | Datasheets | 2022-01-10 | |
| AOZ1267AQI Marking | Markings | 2021-12-30 | |
| AOZ1267AQI Reliability Report | Reliability Reports | 2022-01-10 | |
| QFN4x4_22L_EP2_S | Package | 2024-06-07 | |
| QFN4x4_22L_EP2_S Tape & Reel | Tape & Reel | 2024-04-25 |
Package Details
| Package Name | Dimensions | Package Specifications | Packaging Method |
|---|---|---|---|
| QFN4x4_22L_EP2_S | 4.0x4.0x0.9 | Tape and Reel |
Tools
- EZBuck Design (COT) Tool (xls)