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MAX1641C中文资料
MAX1641C数据手册规格书PDF详情
General Description
The MAX1640/MAX1641 CMOS, adjustable-output, switch-mode current sources operate from a +5.5V to +26V input, and are ideal for microprocessor-controlled battery chargers. Charging current, maximum output voltage, and pulse-trickle charge are programmed with external resistors. Programming the off-time modifies the switching frequency, suppressing undesirable harmonics in noise-sensitive circuits. The MAX1640’s high side current sensing allows the load to connect directly to ground, eliminating ground-potential errors. The MAX1641 incorporates a low-side current sense.
The MAX1640/MAX1641 step-down pulse-width-modulation (PWM) controllers use an external P-channel MOSFET switch and an optional, external N-channel MOSFET synchronous rectifier for increased efficiency. An internal low-dropout linear regulator provides power for the internal reference and circuitry as well as the gate drive for the N-channel synchronous rectifier. The MAX1640/MAX1641 are available in space-saving, 16-pin narrow QSOP packages.
Features
♦ 95 Efficiency
♦ +5.5V to +26V Input Supply Range
♦ 2V to 24V Adjustable-Output Voltage Range
♦ 100 Maximum Duty Cycle (Low Dropout)
♦ Up to 500kHz PWM Operation
♦ Optional Synchronous Rectifier
♦ 16-Pin QSOP Package
♦ Current-Sense Accuracy: 2 (MAX1641) 5.3 (MAX1640)
Applications
Battery-Powered Equipment
Laptop, Notebook, and Palmtop Computers
Handy Terminals
Portable Consumer Products
Cordless Phones
Cellular Phones
PCS Phones
Backup Battery Charger
MAX1641C产品属性
- 类型
描述
- 型号
MAX1641C
- 功能描述
电流型 PWM 控制器
- RoHS
否
- 制造商
Texas Instruments
- 开关频率
27 KHz
- 工作电源电压
6 V to 15 V
- 工作电源电流
1.5 mA
- 输出端数量
1
- 最大工作温度
+ 105 C
- 安装风格
SMD/SMT
- 封装/箱体
TSSOP-14
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM |
23+ |
SSOP-16 |
6500 |
绝对全新原装!现货!特价!请放心订购! |
|||
MAXIM |
25+ |
QSOP |
5500 |
优势产品!100%全新原装现货供应 |
|||
maxim |
20+ |
2500 |
全新现货热卖中欢迎查询 |
||||
MAXIM |
25+ |
SOP-16 |
1001 |
就找我吧!--邀您体验愉快问购元件! |
|||
MAXIM |
25+ |
SSOP-16 |
4500 |
全新原装、诚信经营、公司现货销售! |
|||
MAXIM |
1420+ |
SOP |
17 |
旗舰店 |
|||
Maxim |
25+ |
电联咨询 |
7800 |
公司现货,提供拆样技术支持 |
|||
MAXIM |
2019+/2020+ |
SSOP16 |
1000 |
原装正品现货库存 |
|||
MAXIM |
SSOP16 |
3500 |
一级代理 原装正品假一罚十价格优势长期供货 |
||||
MAXIM |
2025+ |
SSOP16 |
3265 |
全新原厂原装产品、公司现货销售 |
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