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AOZ2261NQI-11
EZBuck™ DC-DC Buck Regulators
Status: Full Production
The AOZ2261NQI-11 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%.
Parametrics
Status | Full Production |
Min Vin (V) | 2.70 |
Max Vin (V) | 28 |
Max Output I (A) | 8 |
Min VOUT (V) | 0.60 |
Max VOUT (V) | 24 |
Package | QFN4x4B-23L |
Control Mode | COT |
Light Load Mode | Yes |
Ultrasonic Mode | No |
External Comp | No |
VCC Supply | External |
Operating Freq (kHz) | 1000 |
Iq (uA) | 350 |
Soft Start (ms) | External |
HS FET RDS(ON) (mΩ) | 28 |
LS FET RDS(ON) (mΩ) | 11 |
Max Duty Cycle | 85% |
Adj. I Limit | Yes |
Remote Sense | No |
Enable | Yes |
PGood | Yes |
Forced PWM | Yes |
Ripple Reduction | Yes |
Low Power Mode | No |
Protection | Latch |
Digital Interface | NA |
Output Discharge | Yes |
Parametrics
Status | Full Production |
Min Vin (V) | 2.70 |
Max Vin (V) | 28 |
Max Output I (A) | 8 |
Min VOUT (V) | 0.60 |
Max VOUT (V) | 24 |
Package | QFN4x4B-23L |
Control Mode | COT |
Light Load Mode | Yes |
Ultrasonic Mode | No |
External Comp | No |
VCC Supply | External |
Operating Freq (kHz) | 1000 |
Iq (uA) | 350 |
Soft Start (ms) | External |
HS FET RDS(ON) (mΩ) | 28 |
LS FET RDS(ON) (mΩ) | 11 |
Max Duty Cycle | 85% |
Adj. I Limit | Yes |
Remote Sense | No |
Enable | Yes |
PGood | Yes |
Forced PWM | Yes |
Ripple Reduction | Yes |
Low Power Mode | No |
Protection | Latch |
Digital Interface | NA |
Output Discharge | Yes |
Features
- Wide input voltage range
- 2.7V to 28V - 8A continuous output current
- Output voltage adjustable down to 0.6V (±1.0%)
- Low RDS(ON) internal NFETs
- 28mΩ high-side
- 11mΩ low-side - Constant On-Time with input feed-forward
- Programmable on-time up to 2.6µs
- Selectable PFM light-load operation
- Ceramic capacitor stable
- Adjustable soft start
- Ripple reduction
- Discharge Function
- Power Good output
- Integrated bootstrap diode
- Adjustable cycle-by-cycle current limit
- Short-circuit protection
- Over-voltage protection
- Thermal shutdown
- Thermally-enhanced 4 mm x 4 mm QFN-23L package
Documentation
| Title | Type | Date | File |
|---|---|---|---|
| AOZ2261NQI-11 Datasheet | Datasheets | 2022-10-06 | |
| AOZ2261NQI-11 Evaluation Board | Eval Boards | 2024-01-09 | |
| AOZ2261NQI-11 Marking | Markings | 2021-02-03 | |
| QFN4x4B_23L_EP2_S | Package | 2024-03-20 | |
| QFN4x4B_23L_EP2_S Tape & Reel | Tape & Reel | 2024-04-25 |
Package Details
| Package Name | Dimensions | Package Specifications | Packaging Method |
|---|---|---|---|
| QFN4x4B_23L_EP2_S | 4.0x4.0x0.9 | Tape and Reel |