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AOZ1281DI
EZBuck™ DC-DC降压稳压器
Status: Full Production
AOZ1281DI是一款26V输入、1.8A的非同步降压稳压器，采用散热增强型DFN2x2封装。输入电压范围可宽至3V到26V，输出电压可低至0.8V。具有固定1.5MHz PWM开关频率，能够使用小尺寸的电感器。
Parametrics
Status | Full Production |
Min Vin (V) | 3 |
Max Vin (V) | 26 |
Max Output I (A) | 1.80 |
Min VOUT (V) | 0.80 |
Max VOUT (V) | 23 |
Package | DFN2x2-8L |
Control Mode | PWM |
Light Load Mode | Yes |
Ultrasonic Mode | No |
External Comp | No |
VCC Supply | Internal |
Operating Freq (kHz) | 1500 |
Iq (uA) | 1000 |
Soft Start (ms) | 0.4 |
HS FET RDS(ON) (mΩ) | 240 |
Max Duty Cycle | 87% |
Adj. I Limit | No |
Remote Sense | No |
Enable | Yes |
PGood | No |
Forced PWM | No |
Ripple Reduction | No |
Low Power Mode | No |
Protection | Auto Restart |
Digital Interface | NA |
Output Discharge | No |
Parametrics
Status | Full Production |
Min Vin (V) | 3 |
Max Vin (V) | 26 |
Max Output I (A) | 1.80 |
Min VOUT (V) | 0.80 |
Max VOUT (V) | 23 |
Package | DFN2x2-8L |
Control Mode | PWM |
Light Load Mode | Yes |
Ultrasonic Mode | No |
External Comp | No |
VCC Supply | Internal |
Operating Freq (kHz) | 1500 |
Iq (uA) | 1000 |
Soft Start (ms) | 0.4 |
HS FET RDS(ON) (mΩ) | 240 |
Max Duty Cycle | 87% |
Adj. I Limit | No |
Remote Sense | No |
Enable | Yes |
PGood | No |
Forced PWM | No |
Ripple Reduction | No |
Low Power Mode | No |
Protection | Auto Restart |
Digital Interface | NA |
Output Discharge | No |
Features
- 工作输入电压范围3V至26V
- 高压MOS侧开关240mΩ
- 最大连续1.8A输出电流
- 输出电压可调至0.8V
- 效能高达95％
- 固定1.5MHz PWM操作
- 无需外部补偿
- 集成软启动
- 逐周期电流限制
- 短路保护
- 热关断
- 散热增强型的DFN2x2-8L封装
Documentation
| Title | Type | Date | File |
|---|---|---|---|
| AOZ1281DI Datasheet | Datasheets | 2021-02-17 | |
| AOZ1281DI Marking | Markings | 2023-09-08 | |
| DFN2x2_8L_EP1_S | Package | 2020-02-27 | |
| DFN2x2_8L_EP1_S Tape & Reel | Tape & Reel | 2024-03-14 |
Package Details
| Package Name | Dimensions | Package Specifications | Packaging Method |
|---|---|---|---|
| DFN2x2_8_EP1_S | 2.0x2.0x0.75 | Tape and Reel |
Tools
- EZBuck Design Tool (xls)