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AOZ2231CQI-23
EZBuck™ DC-DC Buck Regulators
Status: Full Production
I2C Controllable 28V/4A Synchronous EZBuck Regulator
Parametrics
Status | Full Production |
Min Vin (V) | 6.50 |
Max Vin (V) | 28 |
Max Output I (A) | 4 |
Min VOUT (V) | 0.70 |
Max VOUT (V) | 0.93 |
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) | 500 |
Soft Start (ms) | 4 |
HS FET RDS(ON) (mΩ) | 28 |
LS FET RDS(ON) (mΩ) | 28 |
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 | Selectable |
Digital Interface | I2C |
Output Discharge | No |
Parametrics
Status | Full Production |
Min Vin (V) | 6.50 |
Max Vin (V) | 28 |
Max Output I (A) | 4 |
Min VOUT (V) | 0.70 |
Max VOUT (V) | 0.93 |
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) | 500 |
Soft Start (ms) | 4 |
HS FET RDS(ON) (mΩ) | 28 |
LS FET RDS(ON) (mΩ) | 28 |
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 | Selectable |
Digital Interface | I2C |
Output Discharge | No |
Features
- Wide input voltage range
- 6.5V to 28V - 4A continuous output current
- Output voltage adjustable from 0.7V to1.15927V in 7.29mV
- ±2.0% output voltage accuracy for I2C control
- Low RDS(ON) internal NFETs
- 28mΩ high-side
- 28mΩ low-side - Constant On-Time with input feed-forward
- Selectable PFM Light-Load Operation
- Ceramic capacitor stable
- Power Good output
- I2C address programming
- Integrated bootstrap diode
- Cycle-by-cycle current limit
- Short-circuit protection
- Over voltage protection
- Thermal shutdown
- Thermally enhanced 4mm x 4mm QFN-22L package
Documentation
| Title | Type | Date | File |
|---|---|---|---|
| AOZ2231CQI-23 Datasheet | Datasheets | 2021-04-09 | |
| AOZ2231CQI-23 Marking | Markings | 2021-04-09 | |
| AOZ2231CQI-23 Reliability Report | Reliability Reports | 2021-04-09 | |
| 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 |