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MAX1921EUT规格书详情
General Description
The MAX1920/MAX1921 step-down converters deliver over 400mA to outputs as low as 1.25V. These converters use a unique proprietary current-limited control scheme that achieves over 90 efficiency. These devices maintain extremely low quiescent supply current (50μA), and their high 1.2MHz (max) operating frequency permits small, low-cost external components. This combination makes the MAX1920/MAX1921 excellent high-efficiency alternatives to linear regulators in space-constrained applications.
Internal synchronous rectification greatly improves efficiency and eliminates the external Schottky diode required in conventional step-down converters. Both devices also include internal digital soft-start to limit input current upon startup and reduce input capacitor requirements.
Features
● 400mA Guaranteed Output Current
● Internal Synchronous Rectifier for > 90 Efficiency
● Tiny 6-Pin SOT23 Package
● Available in 6-Pin TDFN Package (MAX1920)
● Up to 1.2MHz Switching Frequency for Small
External Components
● 50μA Quiescent Supply Current
● 0.1μA Logic-Controlled Shutdown
● 2V to 5.5V Input Range
● Fixed 1.5V, 1.8V, 2.5V, 3V, and 3.3V Output
Voltages (MAX1921)
● Adjustable Output Voltage (MAX1920)
● ±1.5 Initial Accuracy
● Soft-Start Limits Startup Current
Applications
● Next-Generation Wireless Handsets
● PDAs, Palmtops, and Handy-Terminals
● Battery-Powered Equipment
● CDMA Power Amplifer Supply
产品属性
- 产品编号:
MAX1921EUT15+T
- 制造商:
Analog Devices Inc./Maxim Integrated
- 类别:
集成电路(IC) > DC DC 开关稳压器
- 包装:
管件
- 功能:
降压
- 输出配置:
正
- 拓扑:
降压
- 输出类型:
固定
- 输出数:
1
- 电压 - 输入(最小值):
2V
- 电压 - 输入(最大值):
5.5V
- 电压 - 输出(最小值/固定):
1.5V
- 电流 - 输出:
400mA
- 频率 - 开关:
1.2MHz
- 同步整流器:
是
- 工作温度:
-40°C ~ 85°C(TA)
- 安装类型:
表面贴装型
- 封装/外壳:
SOT-23-6
- 供应商器件封装:
SOT-6
- 描述:
IC REG BUCK 1.5V 400MA SOT23-6
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
ADI(亚德诺)/MAXIM(美信) |
23+ |
SOT236 |
7350 |
原装进口,原厂直销!当天可交货,支持原型号开票! |
询价 | ||
MAXIM |
2020+ |
2.5K/RS |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
Maxim |
21+ |
NA |
2655 |
原装热卖可订货 |
询价 | ||
MAX |
22+23+ |
SOT23 |
28704 |
绝对原装正品全新进口深圳现货 |
询价 | ||
MAXIM/美信 |
22+ |
SOT-23 |
100000 |
代理渠道/只做原装/可含税 |
询价 | ||
MAXIM |
23+ |
SOT23-6 |
20000 |
原厂原装正品现货 |
询价 | ||
MAX |
21+ |
SOT23-6 |
34 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
MAXIM(美信) |
23+ |
SOT236 |
6000 |
诚信服务,绝对原装原盘 |
询价 | ||
MAXIM/美信 |
21+ |
SOT-23-6 |
13880 |
公司只售原装,支持实单 |
询价 | ||
Maxim |
21+ |
25000 |
原厂原包 深圳现货 主打品牌 假一赔百 可开票! |
询价 |