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AOZ2261BQI-28
EZBuck™ DC-DC Buck Regulators
Status: Full Production
The AOZ2261BQI-28 is a high-efficiency, easy-to-use DC/DC synchronous buck regulator that operates up to 28 V. The device is capable of supplying 8 A of continuous output current with an output voltage adjustable down to 0.8 V ±1%.
Parametrics
Status | Full Production |
Min Vin (V) | 10 |
Max Vin (V) | 28 |
Max Output I (A) | 8 |
Min VOUT (V) | 0.80 |
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) | 170 |
Soft Start (ms) | External |
HS FET RDS(ON) (mΩ) | 26 |
LS FET RDS(ON) (mΩ) | 12 |
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) | 10 |
Max Vin (V) | 28 |
Max Output I (A) | 8 |
Min VOUT (V) | 0.80 |
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) | 170 |
Soft Start (ms) | External |
HS FET RDS(ON) (mΩ) | 26 |
LS FET RDS(ON) (mΩ) | 12 |
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
- 10 V to 28 V - 8 A continuous output current
- Output voltage adjustable from 0.8 V ±1.0%
- Low RDS(ON) internal NFETs
- 26 mΩ high-side
- 12 mΩ low-side - Constant On-Time with input feed-forward
- Programmable on-time up to 3.3 μs
- Selectable PFM/PWM Mode
- Ceramic capacitor stable
- Adjustable soft start
- Ripple Reduction
- Power Good output
- Integrated bootstrap diode
- Cycle-by-cycle current limit
- Short-circuit protection
- Over voltage protection
- Thermal shutdown
- Thermally enhanced 23-pin 4 mm × 4 mm QFN
Documentation
| Title | Type | Date | File |
|---|---|---|---|
| AOZ2261BQI-28 Datasheet | Datasheets | 2023-10-18 | |
| AOZ2261BQI-28 Marking | Markings | 2023-10-18 | |
| AOZ2261BQI-28 Reliability Report | Reliability Reports | 2023-10-18 | |
| 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 |