MAX1842中文资料PDF规格书
厂商型号 |
MAX1842 |
参数属性 | MAX1842 封装/外壳为16-SSOP(0.154",3.90mm 宽);包装为管件;类别为集成电路(IC) > 稳压器 - DC-DC 开关稳压器;产品描述:IC REG BUCK ADJ/PROG 1A 16QSOP |
功能描述 | 1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches |
文件大小 |
597.96 Kbytes |
页面数量 |
16 页 |
生产厂商 | MaximIntegrated |
企业简称 |
Maxim【美信半导体】 |
中文名称 | 美信半导体官网 |
原厂标识 | |
数据手册 | |
更新时间 | 2024-6-4 15:17:00 |
MAX1842规格书详情
General Description
The MAX1742/MAX1842 constant-off-time, pulse-width-modulated (PWM) step-down DC-DC converters are ideal for use in 5V and 3.3V to low-voltage conversion necessary in notebook and subnotebook computers. These devices feature internal synchronous rectification for high efficiency and reduced component count. They require no external Schottky diode. The internal 90mΩ PMOS power switch and 70mΩ NMOS synchronous-rectifier switch easily deliver continuous load currents up to 1A. The MAX1742/MAX1842 produce a preset 2.5V, 1.8V, or 1.5V output voltage or an adjustable output from 1.1V to VIN. They achieve efficiencies as high as 95.
Features
♦ ±1 Output Accuracy
♦ 95 Efficiency
♦ Internal PMOS and NMOS Switches
90mΩ On-Resistance at VIN = 4.5V
110mΩ On-Resistance at VIN = 3V
♦ Output Voltage
2.5V, 1.8V, or 1.5V Pin Selectable
1.1V to VIN Adjustable
♦ 3V to 5.5V Input Voltage Range
♦ 600μA (max) Operating Supply Current
♦ <1μA Shutdown Supply Current
♦ Programmable Constant-Off-Time Operation
♦ 1MHz (max) Switching Frequency
♦ Idle-Mode Operation at Light Loads
♦ Thermal Shutdown
♦ Adjustable Soft-Start Inrush Current Limiting
♦ 100 Duty Cycle During Low-Dropout Operation
♦ Output Short-Circuit Protection
♦ 16-Pin QSOP Package
Applications
5V or 3.3V to Low-Voltage Conversion
CPU I/O Ring
Chipset Supplies
Notebook and Subnotebook Computers
产品属性
- 产品编号:
MAX1842EEE+
- 制造商:
Analog Devices Inc./Maxim Integrated
- 类别:
集成电路(IC) > 稳压器 - DC-DC 开关稳压器
- 包装:
管件
- 功能:
降压
- 输出配置:
正
- 拓扑:
降压
- 输出类型:
可调节(可编程)
- 输出数:
1
- 电压 - 输入(最小值):
3V
- 电压 - 输入(最大值):
5.5V
- 电压 - 输出(最小值/固定):
1.1V(1.5V,1.8V,2.5V)
- 电压 - 输出(最大值):
5.5V
- 电流 - 输出:
1A
- 频率 - 开关:
1MHz
- 同步整流器:
是
- 工作温度:
-40°C ~ 85°C(TA)
- 安装类型:
表面贴装型
- 封装/外壳:
16-SSOP(0.154",3.90mm 宽)
- 供应商器件封装:
16-QSOP
- 描述:
IC REG BUCK ADJ/PROG 1A 16QSOP
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM-美信 |
24+25+/26+27+ |
QSOP-16 |
6328 |
一一有问必回一特殊渠道一有长期订货一备货HK仓库 |
询价 | ||
MAXIM/美信 |
22+ |
QSOP16 |
9600 |
原装现货,优势供应,支持实单! |
询价 | ||
MAXIM |
2315+ |
SSOP16 |
3335 |
优势代理渠道,原装现货,可全系列订货 |
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 |
2020+ |
SSOP |
210000 |
100%进口原装正品公司现货库存 |
询价 | ||
Maxim |
1716+ |
? |
11520 |
只做原装进口,假一罚十 |
询价 | ||
MAX |
22+ |
SOP |
8200 |
原装现货库存.价格优势 |
询价 | ||
MAXIM |
22+ |
SOP |
3000 |
原装正品,支持实单 |
询价 | ||
Maxim Integrated |
22+/23+ |
16-QSOP |
7500 |
原装进口公司现货假一赔百 |
询价 | ||
MAXIM |
22+ |
SSOP16 |
5000 |
只做原装,假一赔十 15118075546 |
询价 |