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AOZ22559QI
EZBuck™ DC-DC Buck Regulators
The AOZ22559QI is a high-efficiency, easy-to-use DC/DC synchronous buck regulator that operates up to 25 V. The device is capable of supplying 15 A of continuous output current with an output voltage adjustable down to 0.6 V (±1.0%).
- Datasheets
- Markings
- Package
- Reliability Reports
- Tape & Reel
Features
- Wide input voltage range
- 5.5 V to 25 V - Support Intel ITDC up to 15 A
- Support Intel ICCMAX up to 30 A
- Output voltage adjustable down to 0.6 V (±1.0%)
- Low RDS(ON) internal NFETs
- 11 mΩ high-side
- 4 mΩ low-side - Constant on-time with input feed-forward
- Programmable on-time up to 3.5 μs and down to 70 ns
- Programmable Switching Frequency Range up to 1MHz
(For 12 VIN to 1 VOUT) - Selectable PFM or forced PWM light load operation
- Ceramic capacitor stable
- Remote sense
- Adjustable current limit setting
- Adjustable soft-start
- Power Good output
- Integrated bootstrap diode
- Under-voltage protection and over-voltage protection
- Cycle-by-cycle current limit
- Short-circuit protection
- Thermal shutdown
- Thermally enhanced 30-pin 4 mm × 4 mm QFN
Features
- Wide input voltage range
- 5.5 V to 25 V - Support Intel ITDC up to 15 A
- Support Intel ICCMAX up to 30 A
- Output voltage adjustable down to 0.6 V (±1.0%)
- Low RDS(ON) internal NFETs
- 11 mΩ high-side
- 4 mΩ low-side - Constant on-time with input feed-forward
- Programmable on-time up to 3.5 μs and down to 70 ns
- Programmable Switching Frequency Range up to 1MHz
(For 12 VIN to 1 VOUT) - Selectable PFM or forced PWM light load operation
- Ceramic capacitor stable
- Remote sense
- Adjustable current limit setting
- Adjustable soft-start
- Power Good output
- Integrated bootstrap diode
- Under-voltage protection and over-voltage protection
- Cycle-by-cycle current limit
- Short-circuit protection
- Thermal shutdown
- Thermally enhanced 30-pin 4 mm × 4 mm QFN
Documentation
| Title | Type | Date | File |
|---|---|---|---|
| AOZ22559QI Datasheet | Datasheets | 2023-10-26 | |
| AOZ22559QI Marking | Markings | 2023-10-26 | |
| AOZ22559QI Reliability Report | Reliability Reports | 2023-10-26 | |
| QFN4x4_30L_EP2_S | Package | 2023-10-26 | |
| QFN4x4_30L_EP2_S Tape & Reel | Tape & Reel | 2024-04-25 |
Parametrics
Status | New |
Min Vin (V) | 5.50 |
Max Vin (V) | 25 |
Max Output I (A) | 15 |
Min VOUT (V) | 0.60 |
Max VOUT (V) | 20 |
Control Mode | COT |
Light Load Mode | Yes |
Ultrasonic Mode | No |
External Comp | No |
VCC Supply | External |
Operating Freq (kHz) | 1000 |
Iq (uA) | 400 |
Soft Start (ms) | External |
HS FET RDS(ON) (mΩ) | 11 |
LS FET RDS(ON) (mΩ) | 4 |
Max Duty Cycle | 85 |
Adj. I Limit | Yes |
Remote Sense | Yes |
Enable | Yes |
PGood | Yes |
Forced PWM | Yes |
Ripple Reduction | Yes |
Low Power Mode | No |
Protection | Latch |
Digital Interface | NA |
Output Discharge | No |