首頁(yè)>MAX1774EMJ>規(guī)格書詳情
MAX1774EMJ中文資料美信數(shù)據(jù)手冊(cè)PDF規(guī)格書
廠商型號(hào) |
MAX1774EMJ |
功能描述 | Dual, High-Efficiency, Step-Down Converter with Backup Battery Switchover |
文件大小 |
398.28 Kbytes |
頁(yè)面數(shù)量 |
21 頁(yè) |
生產(chǎn)廠商 | Maxim Integrated Products |
企業(yè)簡(jiǎn)稱 |
Maxim【美信】 |
中文名稱 | 美信半導(dǎo)體官網(wǎng) |
原廠標(biāo)識(shí) | |
數(shù)據(jù)手冊(cè) | |
更新時(shí)間 | 2024-12-23 22:58:00 |
MAX1774EMJ規(guī)格書詳情
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.
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
產(chǎn)品屬性
- 型號(hào):
MAX1774EMJ
- 功能描述:
直流/直流開關(guān)轉(zhuǎn)換器
- RoHS:
否
- 制造商:
STMicroelectronics
- 最大輸入電壓:
4.5 V
- 開關(guān)頻率:
1.5 MHz
- 輸出電壓:
4.6 V
- 輸出電流:
250 mA
- 輸出端數(shù)量:
2
- 最大工作溫度:
+ 85 C
- 安裝風(fēng)格:
SMD/SMT
供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
---|---|---|---|---|---|---|---|
MAXIM |
2016+ |
SSOP16 |
2132 |
只做原裝,假一罰十,公司可開17%增值稅發(fā)票! |
詢價(jià) | ||
2020+ |
80000 |
只做自己庫(kù)存,全新原裝進(jìn)口正品假一賠百,可開13%增 |
詢價(jià) | ||||
MAXIM |
23+ |
SOP16 |
20000 |
原廠原裝正品現(xiàn)貨 |
詢價(jià) | ||
MAXIM |
24+ |
SSOP16 |
6980 |
原裝現(xiàn)貨,可開13%稅票 |
詢價(jià) | ||
MAXIM |
24+ |
SSOP16 |
90000 |
一級(jí)代理商進(jìn)口原裝現(xiàn)貨、假一罰十價(jià)格合理 |
詢價(jià) | ||
2017+ |
SSOP16 |
6528 |
只做原裝正品假一賠十! |
詢價(jià) | |||
MAXIM |
23+ |
SSOP16 |
5000 |
絕對(duì)全新原裝!現(xiàn)貨!特價(jià)!請(qǐng)放心訂購(gòu)! |
詢價(jià) | ||
MaximIntegrated |
23+ |
16-QSOP |
66800 |
原廠授權(quán)一級(jí)代理,專注汽車、醫(yī)療、工業(yè)、新能源! |
詢價(jià) | ||
MAX |
23+ |
SSOP |
30000 |
代理全新原裝現(xiàn)貨,價(jià)格優(yōu)勢(shì) |
詢價(jià) | ||
Maxim(美信) |
23+ |
NA |
20094 |
正納10年以上分銷經(jīng)驗(yàn)原裝進(jìn)口正品做服務(wù)做口碑有支持 |
詢價(jià) |