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MAX1902

500kHz Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers

General Description The MAX1901/MAX1902/MAX1904 are buck-topology, step-down, switch-mode, power-supply controllers that generate logic-supply voltages in battery-powered systems. These high-performance, dual/triple-output devices include on-board power-up sequencing, power-good signaling with

文件:649.9 Kbytes 页数:33 Pages

Maxim

美信

MAX1902

500kHz、多输出、低噪声、电源控制器,用于笔记本电脑

MAX1901/MAX1902/MAX1904是buck结构、降压型、开关模式、电源控制器,可为电池供电系统提供逻辑电路供电电压。这些高性能的双/三路输出器件具有板上顺序上电控制、带延时的电源就绪指示、数字软启动、次级线圈控制、低压差电路、内部频率补偿网络和自动自举等功能。\n利用同步整流和Maxim专有的Idle Mode™控制技术,可提供高达97%的效率。器件在1000:1负载电流范围内效率高于80%,在系统挂起或待机模式下可有效延长电池的寿命。优异的动态响应能够在5个时钟周期内校准输出负载瞬变。1A大电流板上栅级驱动器保证外部N沟道MOSFET的高速切换。\n这些器件采用逻辑控制 • 效率高达97% \n• 4.2V至30V输入电压范围 \n• 2.5V至5.5V双可调电压输出 \n• 可选的3.3V和5V固定输出或可调输出(Dual Mode™) \n• 12V线性稳压器 \n• 可调的次级线圈反馈(MAX1901/MAX1904) \n• 5V/50mA线性稳压输出 \n• 精确的2.5V参考电压输出 \n• 上电顺序可编程 \n• 电源就绪(/RESET)输出 \n• 输出过压保护(MAX1901/MAX1902) \n• 输出欠压保护(MAX1901/MAX1902) \n• 333kHz/500kHz低噪声、固定频率工作 \n• 98%占空比提;

ADI

亚德诺

MAX1902EAI

500kHz Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers

General Description The MAX1901/MAX1902/MAX1904 are buck-topology, step-down, switch-mode, power-supply controllers that generate logic-supply voltages in battery-powered systems. These high-performance, dual/triple-output devices include on-board power-up sequencing, power-good signaling with

文件:649.9 Kbytes 页数:33 Pages

Maxim

美信

MAX1902ETJ

500kHz Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers

General Description The MAX1901/MAX1902/MAX1904 are buck-topology, step-down, switch-mode, power-supply controllers that generate logic-supply voltages in battery-powered systems. These high-performance, dual/triple-output devices include on-board power-up sequencing, power-good signaling with

文件:649.9 Kbytes 页数:33 Pages

Maxim

美信

MAX1902EAI+

Package:28-SSOP(0.209",5.30mm 宽);包装:卷带(TR)剪切带(CT)Digi-Reel® 得捷定制卷带 类别:集成电路(IC) 特殊用途稳压器 描述:IC REG CTRLR NOTEBK 3OUT 28SSOP

AD

亚德诺

MAX1902EAI+T

Package:28-SSOP(0.209",5.30mm 宽);包装:管件 类别:集成电路(IC) 特殊用途稳压器 描述:IC REG CTRLR NOTEBK 3OUT 28SSOP

AD

亚德诺

技术参数

  • Vin(min)(V):

    4.2

  • Vin(max)(V):

    30

  • Vout1(min)(V):

    2.5

  • Vout1(max)(V):

    5.5

  • Preset Vout(V):

    3.3

  • Output Adjust. Method:

    Resistor

  • Iout1(max)(A):

    5

  • Vout2(min)(V):

    3.247

  • Vout2(max)(V):

    3.38

  • Iout2(max)(A):

    5

  • Vout3(min)(V):

    1.215

  • Vout3(max)(V):

    1.265

  • Vout4(min)(V):

    -25

  • Vout4(max)(V):

    10

  • Switch Type:

    External

  • Synchronous Switching:

    Yes

  • Power Good Signal:

    Yes

  • Icc(max)(mA):

    0.05

  • DC-DC Outputs:

    2

  • LDO/ Op.Amp. Outputs:

    2

  • Oper. Freq.(kHz):

    330

  • Features:

    Adjustable Freq.

  • EV Kit:

    Yes

  • Oper. Temp.(°C):

    -40 to +85

  • Package/Pins:

    SSOP/28

  • RoHS Available:

    Yes

  • Budgetary Price(See Notes):

    $6.61 @1k

供应商型号品牌批号封装库存备注价格
MAXIM
22+
原厂原封
8200
原装现货库存.价格优势
询价
MAXIM
23+
SOP
8000
只做原装现货
询价
MAX
02+/03+
SOP
184
全新原装100真实现货供应
询价
MAXIM
09+
SSOP
5500
原装无铅,优势热卖
询价
MAXIM
23+
SOIC
51950
全新进口原装现货,价优
询价
MAXIM
24+
SSOP
3000
公司现货
询价
MAXIM
17+
SSOP28
6200
100%原装正品现货
询价
MAXIM
23+
SSOP
6500
绝对全新原装!现货!特价!请放心订购!
询价
MAXIM
23+
SSOP
5000
原装正品,假一罚十
询价
MAXIM
25+
SSOP-28
64
百分百原装正品 真实公司现货库存 本公司只做原装 可
询价
更多MAX1902供应商 更新时间2025-11-30 16:10:00