首页 >MAX1842>规格书列表

型号下载 订购功能描述制造商 上传企业LOGO

MAX1842

1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches

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 efficienc

文件:597.96 Kbytes 页数:16 Pages

MAXIM

美信

MAX1842

1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches

文件:287.76 Kbytes 页数:16 Pages

MAXIM

美信

MAX1842

1A/2.7A、1MHz、降压型稳压器,内置同步整流与开关

MAX1742/MAX1842是恒定关断时间、脉宽调制(PWM)降压DC-DC转换器,非常适合为笔记本电脑和小型笔记本电脑提供所需的5V和3.3V至低压转换。这些器件具有内部同步整流功能,可实现高效率并减少元件数量。它们不需要外部肖特基二极管。内部90mΩ PMOS电源开关和70mΩ NMOS同步整流器开关可轻松提供高达1A的连续负载电流。MAX1742/MAX1842提供2.5V、1.8V或1.5V预设输出电压,或1.1V至VIN可调输出。其效率高达95%。\n\n MAX1742/MAX1842采用专门的电流模式、恒定关断时间、PWM控制方案,借助Idle Mode™技术 • 输出精度:±1%\n\n• 95%效率\n\n• 内部PMOS和NMOS开关\n• VIN = 4.5V时,导通电阻为90mΩ\n\n• VIN = 3V时,导通电阻为110mΩ\n\n\n\n\n• 输出电压\n• 引脚可选2.5V、1.8V或1.5V\n\n• 可调范围:1.1V至VIN\n\n\n\n\n• 输入电压范围:3V至5.5V\n\n• 工作电源电流:600µA(最大值)\n\n• 关断电源电流:< 1µA\n\n• 可编程恒定关断时间操作\n\n• 开关频率:1MHz(最大值)\n\n• 轻负载时进入空闲模式\n\n• 热关断\n\n• 可调软启动冲击限流;

ADI

亚德诺

MAX1842EEE

1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches

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 efficienc

文件:597.96 Kbytes 页数:16 Pages

MAXIM

美信

MAX1842EEE

1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches

文件:287.76 Kbytes 页数:16 Pages

MAXIM

美信

MAX1842EEE+

1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches

文件:287.76 Kbytes 页数:16 Pages

MAXIM

美信

MAX1842EEE+

Package:16-SSOP(0.154",3.90mm 宽);包装:管件 功能:降压 类别:集成电路(IC) 稳压器 - DC-DC 开关稳压器 描述:IC REG BUCK ADJ/PROG 1A 16QSOP

AD

亚德诺

MAX1842EEE+T

Package:16-SSOP(0.154",3.90mm 宽);包装:卷带(TR) 功能:降压 类别:集成电路(IC) 稳压器 - DC-DC 开关稳压器 描述:IC REG BUCK ADJ/PROG 1A 16QSOP

AD

亚德诺

MAX1842EEE+T

Package:16-SSOP(0.154",3.90mm 宽);包装:卷带(TR) 功能:降压 类别:集成电路(IC) DC DC 开关稳压器 描述:IC REG BUCK ADJ/PROG 1A 16QSOP

AD

亚德诺

技术参数

  • VIN (max)(V):

    5.5

  • VOUT1 (min)(V):

    1.1

  • VOUT1 (max)(V):

    5.5

  • IOUT1 (max)(A):

    1

  • Switch Type:

    Internal

  • Preset VOUT(V):

    1.5

  • Output Adjust. Method:

    Preset

  • VOUT1 Tolerance(±%):

    1

  • Synchronous Switching:

    Yes

  • ICC (max)(mA):

    0.6

  • # DC-DC Outputs:

    1

  • Switching Frequency(kHz):

    1000

  • Features:

    Adjustable Freq.

  • EV Kit Available:

    Yes

  • Oper. Temp.(°C):

    -40 to +85

  • Package/ Pins:

    QSOP/16

  • Smallest Available Pckg. (max w/pins)(mm2):

    30.9

  • RoHS Available:

    Yes

  • Budgetary Price (See Notes):

    $4.42 @1k

供应商型号品牌批号封装库存备注价格
MAX
2025+
SOP
3925
全新原装、公司现货热卖
询价
MAXIM/美信
2025+
SOP
5000
原装进口价格优 请找坤融电子!
询价
MAX
22+
SOP
8200
原装现货库存.价格优势
询价
MAXIM/美信
23+
SOP
13000
原厂授权一级代理,专业海外优势订货,价格优势、品种
询价
MAXIM
22+
SOP
3000
原装正品,支持实单
询价
MAXIM/美信
23+
SOP
89630
当天发货全新原装现货
询价
MAXIM/美信
2450+
SOP
9850
只做原厂原装正品现货或订货假一赔十!
询价
ADI
25+
16-QSOP-150_MIL
5500
1A/2.7A、1MHz、降压型稳压器,内置同步整流与开关
询价
MAX
23+
SSOP
3500
绝对全新原装!现货!特价!请放心订购!
询价
MAXIM
2015+
SOP/DIP
19889
一级代理原装现货,特价热卖!
询价
更多MAX1842供应商 更新时间2026-4-17 15:09:00