MAX746CSE中文资料PDF规格书
MAX746CSE规格书详情
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
产品属性
- 型号:
MAX746CSE
- 功能描述:
DC/DC 开关控制器
- RoHS:
否
- 制造商:
Texas Instruments
- 输入电压:
6 V to 100 V
- 输出电压:
1.215 V to 80 V
- 输出电流:
3.5 A
- 输出端数量:
1
- 最大工作温度:
+ 125 C
- 封装/箱体:
CPAK
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM/美信 |
21+ |
SOP16 |
20000 |
百域芯优势 实单必成 可开13点增值税发票 |
询价 | ||
MAXIM/美信 |
2022+ |
SOP16 |
1200 |
原厂代理 终端免费提供样品 |
询价 | ||
MAXIM |
23+ |
SOP |
4963 |
询价 | |||
MAXIM |
SMD |
3000 |
公司现货 |
询价 | |||
MAXIM/美信 |
1904+ |
SOP16 |
1200 |
自家现货!原装特价供货!一片起卖! |
询价 | ||
MAX |
2305+ |
原厂封装 |
12500 |
15年芯片行业经验/只供原装正品:0755-83267371邹小姐 |
询价 | ||
MAXIM/美信 |
22+ |
SOP |
9600 |
原装现货,优势供应,支持实单! |
询价 | ||
MAXIM/美信 |
21+ |
SOP16 |
50000 |
终端可免费提供样品,欢迎咨询 |
询价 | ||
MAXIM/美信 |
22+ |
SOP16 |
2400 |
原装现货假一赔十 |
询价 | ||
MAXIM/美信 |
22+ |
SOP16 |
9085 |
一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、 |
询价 |