APPLICATIONS
DESIGN SUPPORT
Search
- Home
- Power ICs
- EZBuck™ DC-DC Buck Regulators
- AOZ22421QI
AOZ22421QI
EZBuck™ DC-DC Buck Regulators
Status: New
The AOZ22421QI is a high-efficiency, easy-to-use DC/DC synchronous buck regulator that operates up to 28V. The device is capable of supplying 10A of continuous output current with an output voltage adjustable down to 0.8V ±1%.
Parametrics
Status | New |
Min Vin (V) | 4 |
Max Vin (V) | 28 |
Max Output I (A) | 10 |
Min VOUT (V) | 0.80 |
Max VOUT (V) | 12 |
Package | QFN4x4-22L |
Control Mode | COT |
Light Load Mode | Yes |
External Comp | No |
VCC Supply | External |
Operating Freq (kHz) | 1000 |
Iq (uA) | 180 |
Soft Start (ms) | External |
HS FET RDS(ON) (mΩ) | 10 |
LS FET RDS(ON) (mΩ) | 10 |
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 | New |
Min Vin (V) | 4 |
Max Vin (V) | 28 |
Max Output I (A) | 10 |
Min VOUT (V) | 0.80 |
Max VOUT (V) | 12 |
Package | QFN4x4-22L |
Control Mode | COT |
Light Load Mode | Yes |
External Comp | No |
VCC Supply | External |
Operating Freq (kHz) | 1000 |
Iq (uA) | 180 |
Soft Start (ms) | External |
HS FET RDS(ON) (mΩ) | 10 |
LS FET RDS(ON) (mΩ) | 10 |
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:
- 4V to 28V - Support Intel ITDC up to 10A
- Support Intel ICCMAX up to 12A
- Output voltage adjustable to 0.8V ±1.0%
- Low RDS(ON) internal NFETs
- 10mΩ high-side
- 10mΩ low-side - Constant On-Time with input feed-forward
- Programmable on-time up to 1.2µs
- Selectable PFM Light-Load Operation
- Ceramic capacitor stable
- Adjustable soft start
- Power Good output
- Integrated bootstrap diode
- Cycle-by-cycle current limit
- Short-circuit protection
- Over voltage protection
- Thermal shutdown
- Thermally enhanced 22-pin 4 × 4 QFN package
Documentation
| Title | Type | Date | File |
|---|---|---|---|
| AOZ22421QI Datasheet | Datasheets | 2025-04-10 | |
| AOZ22421QI Marking | Markings | 2025-04-10 | |
| AOZ22421QI Reliability Report | Reliability Reports | 2025-04-10 | |
| 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 |