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MAX748ACPA集成電路(IC)的穩(wěn)壓器-DC-DC開(kāi)關(guān)穩(wěn)壓器規(guī)格書PDF中文資料

廠商型號(hào) |
MAX748ACPA |
參數(shù)屬性 | MAX748ACPA 封裝/外殼為8-DIP(0.300",7.62mm);包裝為卷帶(TR);類別為集成電路(IC)的穩(wěn)壓器-DC-DC開(kāi)關(guān)穩(wěn)壓器;產(chǎn)品描述:IC REG BUCK 3.3V 500MA 8DIP |
功能描述 | 3.3V, Step-Down, Current-Mode PWM DC-DC Converters |
封裝外殼 | 8-DIP(0.300",7.62mm) |
文件大小 |
135.17 Kbytes |
頁(yè)面數(shù)量 |
12 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 | 2025-5-4 20:00:00 |
人工找貨 | MAX748ACPA價(jià)格和庫(kù)存,歡迎聯(lián)系客服免費(fèi)人工找貨 |
MAX748ACPA規(guī)格書詳情
General Description
The MAX748A/MAX763A are 3.3V-output CMOS, step down switching regulators. The MAX748A accepts inputs from 3.3V to 16V and delivers up to 500mA. The MAX763A accepts inputs between 3.3V and 11V and delivers up to 500mA. Typical efficiencies are 85 to 90. Quiescent supply current is 1.4mA (MAX763A), and only 0.2μA in shutdown.
Pulse-width-modulation (PWM) current-mode control provides precise output regulation and excellent transient responses. Output voltage accuracy is guaranteed to be ±5 over line, load, and temperature variations. Fixed-frequency switching allows easy filtering of output ripple and noise, as well as the use of small external components. A 22μH inductor works in most applications, so no magnetics design is necessary.
The MAX748A/MAX763A also feature cycle-by-cycle current limiting, overcurrent limiting, undervoltage lockout, and programmable soft-start protection. The MAX748A is available in 8-pin DIP and 16-pin wide SO packages; the MAX763A comes in 8-pin DIP and SO packages.
Features
? Up to 500mA Load Currents
? Guaranteed 159kHz to 219.5kHz Current-Mode PWM
? 85 to 90 Efficiencies
? 1.7mA Quiescent Current (MAX748A)
?? 1.4mA Quiescent Current (MAX763A)
? 0.2μA Shutdown Supply Current
? 22μH Preselected Inductor Value;
?? No Component Design Required
? Overcurrent, Soft-Start, and Undervoltage
?? Lockout Protection
? Cycle-by-Cycle Current Limiting
? 8-Pin DIP/SO Packages (MAX763A)
Applications
?? 5V-to-3.3V Converters
?? Cellular Phones
?? Portable Instruments
?? Hand-Held Computers
?? Computer Peripherals
產(chǎn)品屬性
- 產(chǎn)品編號(hào):
MAX748ACPA+
- 制造商:
Analog Devices Inc./Maxim Integrated
- 類別:
集成電路(IC) > 穩(wěn)壓器 - DC-DC 開(kāi)關(guān)穩(wěn)壓器
- 包裝:
卷帶(TR)
- 功能:
降壓
- 輸出配置:
正
- 拓?fù)洌?/span>
降壓
- 輸出類型:
固定
- 輸出數(shù):
1
- 電壓 - 輸入(最小值):
3.3V
- 電壓 - 輸入(最大值):
16V
- 電壓 - 輸出(最小值/固定):
3.3V
- 電流 - 輸出:
500mA
- 頻率 - 開(kāi)關(guān):
180kHz
- 同步整流器:
無(wú)
- 工作溫度:
0°C ~ 70°C(TA)
- 安裝類型:
通孔
- 封裝/外殼:
8-DIP(0.300",7.62mm)
- 供應(yīng)商器件封裝:
8-PDIP
- 描述:
IC REG BUCK 3.3V 500MA 8DIP
供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
---|---|---|---|---|---|---|---|
MAXIM/美信 |
24+ |
NA/ |
6072 |
原裝現(xiàn)貨,當(dāng)天可交貨,原型號(hào)開(kāi)票 |
詢價(jià) | ||
MAXIM |
25+23+ |
DIP8 |
33734 |
絕對(duì)原裝正品全新進(jìn)口深圳現(xiàn)貨 |
詢價(jià) | ||
MAXIM |
22+ |
DIP-8 |
3000 |
原裝正品,支持實(shí)單 |
詢價(jià) | ||
MAXIM |
23+ |
DIP-8 |
3200 |
全新原裝、誠(chéng)信經(jīng)營(yíng)、公司現(xiàn)貨銷售! |
詢價(jià) | ||
9341 |
127 |
公司優(yōu)勢(shì)庫(kù)存 熱賣中! |
詢價(jià) | ||||
MAXIM |
19+ |
DIP-8 |
256800 |
原廠代理渠道,每一顆芯片都可追溯原廠; |
詢價(jià) | ||
MAXIM |
22+ |
DIP8 |
8200 |
原裝現(xiàn)貨庫(kù)存.價(jià)格優(yōu)勢(shì)!! |
詢價(jià) | ||
MAXIM |
24+ |
DIP-8 |
3000 |
公司現(xiàn)貨 |
詢價(jià) | ||
Maxim(美信) |
23+ |
標(biāo)準(zhǔn)封裝 |
6000 |
原廠原裝現(xiàn)貨訂貨價(jià)格優(yōu)勢(shì)終端BOM表可配單提供樣品 |
詢價(jià) | ||
Maxim |
24+ |
8-DIP |
28500 |
授權(quán)代理直銷,原廠原裝現(xiàn)貨,假一罰十,特價(jià)銷售 |
詢價(jià) |