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AOZ2221QI
EZBuck™ DC-DC降压稳压器
Status: Full Production
AOZ2221QI 是一款高效、易用的 DC/DC 同步降压电源转换器，工作电压高达 36V。 该器件能够提供 4A连续输出电流，输出电压可在 0.8V 至 16V 范围内调节。
Parametrics
Status | Full Production |
Min Vin (V) | 4.80 |
Max Vin (V) | 36 |
Max Output I (A) | 4 |
Min VOUT (V) | 0.80 |
Max VOUT (V) | 16 |
Package | QFN4x4B-23L |
Control Mode | COT |
Light Load Mode | Yes |
Ultrasonic Mode | No |
External Comp | No |
VCC Supply | Internal |
Operating Freq (kHz) | 1000 |
Iq (uA) | 140 |
Soft Start (ms) | External |
HS FET RDS(ON) (mΩ) | 20 |
LS FET RDS(ON) (mΩ) | 18 |
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 | Auto Restart |
Digital Interface | NA |
Output Discharge | No |
Parametrics
Status | Full Production |
Min Vin (V) | 4.80 |
Max Vin (V) | 36 |
Max Output I (A) | 4 |
Min VOUT (V) | 0.80 |
Max VOUT (V) | 16 |
Package | QFN4x4B-23L |
Control Mode | COT |
Light Load Mode | Yes |
Ultrasonic Mode | No |
External Comp | No |
VCC Supply | Internal |
Operating Freq (kHz) | 1000 |
Iq (uA) | 140 |
Soft Start (ms) | External |
HS FET RDS(ON) (mΩ) | 20 |
LS FET RDS(ON) (mΩ) | 18 |
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 | Auto Restart |
Digital Interface | NA |
Output Discharge | No |
Features
• 宽范围输入电压
- 4.8V 至 36V 将 BIAS 连接到外部偏置 (>5V)
- 6.5V 至 36V（如果 VOUT>5V，则将 BIAS 连接至 VOUT）
• 4A连续电流输出
• 输出电压在0.8V~16V区间内可调整
• 内部低导通电阻NFETs
- 高侧20 mΩ
- 低侧18 mΩ
• 具有输入前馈的恒定导通时间
• 稳定的陶瓷电容
• 可调整软启动
• 集成自举二极管
• 逐周期电流限制
• 短路保护
• 热关断
• 耐热增强型4mm×4mmQFN-23L封装
Documentation
| Title | Type | Date | File |
|---|---|---|---|
| AOZ2221QI Datasheet | Datasheets | 2022-10-21 | |
| AOZ2221QI Marking | Markings | 2022-10-21 | |
| AOZ2221QI Reliability Report | Reliability Reports | 2022-10-21 | |
| 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 |