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AOZ22557QI
EZBuck™ DC-DC降压稳压器
Status: Full Production
AOZ22557QI 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 25V。 该器件能够提供 15A连续输出电流，输出电压可调低至 0.6V (±1.0%)。
Parametrics
Status | Full Production |
Min Vin (V) | 5.50 |
Max Vin (V) | 25 |
Max Output I (A) | 15 |
Min VOUT (V) | 0.60 |
Max VOUT (V) | 20 |
Package | QFN4x4-30L |
Control Mode | COT |
Light Load Mode | Yes |
Ultrasonic Mode | No |
External Comp | No |
VCC Supply | Internal |
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 |
Parametrics
Status | Full Production |
Min Vin (V) | 5.50 |
Max Vin (V) | 25 |
Max Output I (A) | 15 |
Min VOUT (V) | 0.60 |
Max VOUT (V) | 20 |
Package | QFN4x4-30L |
Control Mode | COT |
Light Load Mode | Yes |
Ultrasonic Mode | No |
External Comp | No |
VCC Supply | Internal |
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 |
Features
- 宽范围输入电压
- 6.5V ~ 25V - 15A连续电流输出
- 输出电压可调低至 0.6 V (±1.0%)
- 内部低导通电阻NFETs
- 高侧11mΩ
- 低侧4 mΩ - 内置线性稳压器（LDO）
- 具有输入前馈的恒定导通时间
- 可编程导通时间高达3.5μs，低至80ns
- 可编程开关频率范围上至1 MHz（针对12 VIN 至 1 VOUT）
- 可选择PFM或PWM于轻载操作
- 遥感
- 可调节电流限制设置
- 可调节软启动
- 电源良好输出
- 集成自举二极管
- 欠压和过压保护
- 逐周期电流限制
- 短路保护
- 热关断
- 耐热增强型4mm×4mm QFN-30L封装
Documentation
| Title | Type | Date | File |
|---|---|---|---|
| AOZ22557QI Datasheet | Datasheets | 2023-04-12 | |
| AOZ22557QI Marking | Markings | 2023-04-12 | |
| AOZ22557QI Reliability Report | Reliability Reports | 2023-04-12 | |
| QFN4x4_30L_EP2_S | Package | 2023-10-26 | |
| QFN4x4_30L_EP2_S Tape & Reel | Tape & Reel | 2024-04-25 |
Package Details
| Package Name | Dimensions | Package Specifications | Packaging Method |
|---|---|---|---|
| QFN4x4_30L_EP2_S | 4.0x4.0x0.9 | Tape and Reel |