MAX746CSE中文資料美信數(shù)據(jù)手冊PDF規(guī)格書
MAX746CSE規(guī)格書詳情
General Description
The MAX746 is a high-efficiency, high-current, step-down DC-DC power-supply controller that drives external N-channel FETs. It provides 93 to 96 efficiency from a 6V supply voltage with load currents ranging from 50mA up to 3A. It uses a pulse-width-modulating (PWM) current-mode control scheme to provide precise output regulation and low output noise. The MAX746s 4V to 15V input voltage range, fixed 5V/adjustable (Dual-ModeTM) output, and adjustable current limit make this device ideal for a wide range of applications.
High efficiency is maintained with light loads due to a proprietary automatic pulse-skipping control (Idle-ModeTM) scheme that minimizes switching losses by reducing the switching frequency at light loads. The low 950μA quiescent current and ultra-low 1.4μA shutdown current further extend battery life.
Features
? 93 to 96 Efficiency for 50mA to 3A
?? Output Currents
? 4V to 15V Input Voltage Range
? Low 950μA Supply Current
? 1.4μA Shutdown Current
? Drives External N-Channel FETs
? Fixed-Frequency Current-Mode PWM (Heavy Loads)
? Idle-Mode PFM (Light Loads)
? Cycle-by-Cycle Current Limiting
? 2V ±1.5 Accurate Reference Output
? Adjustable Soft-Start
? Undervoltage Lockout
? Precision Comparator for Power-Fail or
?? Low-Battery Warning
Applications
?? 5V-to-3.3V Green PC Applications
?? Notebook/Laptop Computers
?? Personal Digital Assistants
?? Battery-Operated Equipment
?? Cellular Phones
產(chǎn)品屬性
- 型號：
MAX746CSE
- 功能描述：
DC/DC 開關(guān)控制器
- RoHS：
否
- 制造商：
Texas Instruments
- 輸入電壓：
6 V to 100 V
- 輸出電壓：
1.215 V to 80 V
- 輸出電流：
3.5 A
- 輸出端數(shù)量：
1
- 最大工作溫度：
+ 125 C
- 封裝/箱體：
CPAK
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
MAXIM/美信 |
24+ |
SOP |
880000 |
明嘉萊只做原裝正品現(xiàn)貨 |
詢價(jià) | ||
MAXIM |
2022 |
SMD |
2300 |
原裝現(xiàn)貨,誠信經(jīng)營! |
詢價(jià) | ||
MAXIM/美信 |
98 |
SOP16 |
389 |
原裝現(xiàn)貨 |
詢價(jià) | ||
MAXIM/美信 |
2022+ |
SOP16 |
30000 |
進(jìn)口原裝現(xiàn)貨供應(yīng),原裝 假一罰十 |
詢價(jià) | ||
MAX |
24+ |
2560 |
絕對原裝!現(xiàn)貨熱賣! |
詢價(jià) | |||
MAXIM |
23+ |
SMD |
6500 |
絕對全新原裝!現(xiàn)貨!特價(jià)!請放心訂購! |
詢價(jià) | ||
MAXIM/美信 |
24+ |
SOP16 |
2400 |
原裝現(xiàn)貨假一賠十 |
詢價(jià) | ||
MAXIM |
22+ |
SOP |
3000 |
原裝正品,支持實(shí)單 |
詢價(jià) | ||
MAXIM |
23+ |
SOP |
3000 |
全新原裝、誠信經(jīng)營、公司現(xiàn)貨銷售! |
詢價(jià) | ||
MAXIM |
23+ |
SOP |
4963 |
詢價(jià) |
