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MAX1774EMJ中文资料美信数据手册PDF规格书
MAX1774EMJ规格书详情
General Description
The MAX1774 is a complete power-supply solution for PDAs and other hand-held devices. It integrates two high-efficiency step-down converters, a boost converter for backup battery regulation, and four voltage detectors in a small 32-pin QFN or 28-pin QSOP package.
特性 Features
♦ Dual, High-Efficiency, Synchronous-Rectified Step-Down Converters
♦ Thin, Small (1mm High) QFN Package
♦ Step-Up Converter for Backup Battery
♦ Main Power
Adjustable from +1.25V to +5.5V
Over 2A Load Current
Up to 95 Efficiency
♦ Core Power
Adjustable from 1V to 5V
Internal Switches
Up to 1.5A Load Current
Up to 91 Efficiency
♦ Automatic Main Battery Switchover
♦ 100 (max) Duty Cycle
♦ Up to 1.25MHz Switching Frequency
♦ Input Voltage Range from +2.7V to +28V
♦ Four Low-Voltage Detectors
♦ 170µA Quiescent Current
♦ 8µA Shutdown Current
♦ Digital Soft-Start
♦ Independent Shutdown Inputs
Applications
Hand-Held Computers
PDAs
Internet Access Tablets
POS Terminals
Subnotebooks
产品属性
- 型号:
MAX1774EMJ
- 功能描述:
直流/直流开关转换器
- RoHS:
否
- 制造商:
STMicroelectronics
- 最大输入电压:
4.5 V
- 开关频率:
1.5 MHz
- 输出电压:
4.6 V
- 输出电流:
250 mA
- 输出端数量:
2
- 最大工作温度:
+ 85 C
- 安装风格:
SMD/SMT
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM/美信 |
24+ |
SSOP16 |
9600 |
原装现货,优势供应,支持实单! |
询价 | ||
MAXIM/美信 |
23+ |
TSSOP-8 |
8520 |
一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、 |
询价 | ||
MAXIM/美信 |
23+ |
SSOP16 |
32732 |
原装正品代理渠道价格优势 |
询价 | ||
MAXIM/美信 |
2447 |
SSOP16 |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
询价 | ||
MAXIM/美信 |
23+ |
SSOP16 |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
MAXIM/美信 |
23+ |
SSOP16 |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
MAXIM |
23+ |
SSOP16 |
5000 |
绝对全新原装!现货!特价!请放心订购! |
询价 | ||
Maxim(美信) |
23+ |
NA |
20094 |
正纳10年以上分销经验原装进口正品做服务做口碑有支持 |
询价 | ||
MAXIM |
25+ |
SSOP16 |
4500 |
全新原装、诚信经营、公司现货销售! |
询价 | ||
MAX |
05+ |
原厂原装 |
4284 |
只做全新原装真实现货供应 |
询价 |