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MAX1540A

Dual Step-Down Controllers with Saturation Protection, Dynamic Output, and Linear Regulator

General Description The MAX1540A/MAX1541 dual pulse-width modulation (PWM) controllers provide the high efficiency, excellent transient response, and high DC-output accuracy necessary for stepping down high-voltage batteries to generate low-voltage chipset and RAM power supplies in notebook compu

文件:774.02 Kbytes 页数:49 Pages

Maxim

美信

MAX1540AETJ

Dual Step-Down Controllers with Saturation Protection, Dynamic Output, and Linear Regulator

General Description The MAX1540A/MAX1541 dual pulse-width modulation (PWM) controllers provide the high efficiency, excellent transient response, and high DC-output accuracy necessary for stepping down high-voltage batteries to generate low-voltage chipset and RAM power supplies in notebook compu

文件:774.02 Kbytes 页数:49 Pages

Maxim

美信

MAX1540AETJ

Dual Step-Down Controllers with Saturation Protection, Dynamic Output, and Linear Regulator

General Description The MAX1540A/MAX1541 dual pulse-width modulation (PWM) controllers provide the high efficiency, excellent transient response, and high DC-output accuracy necessary for stepping down high-voltage batteries to generate low-voltage chipset and RAM power supplies in notebook compu

文件:780.8 Kbytes 页数:49 Pages

Maxim

美信

MAX1540A

双路、降压型控制器,带有电感饱和保护、动态输出和线性稳压器

MAX1540A/MAX1541为双路脉宽调制(PWM)控制器,具有高转换效率、出色的瞬态响应及高直流输出精度的特性,能够满足降低高压电池电压,以产生笔记本电脑中低压芯片组和RAM的供电电源。\n\n Maxim独特的Quick-PWM™控制器具有自由运行,固定导通时间和输入前馈等特点。该结构能够提供超高速瞬态响应、宽输入-输出(I/O)电压差、低电源电流及严格的负载调整等特性。该控制器通过与输出串联的外部电流检测电阻提供精确的电感电流测量,以保证可靠的过载和电感饱和保护。此外,该控制器还能够利用同步整流器自身,即无损耗电感电流检测方法,以提供更低功耗的过载保护。\n\n • 电感饱和保护\n• 精确的差分电流检测输入 \n• 双路超高转换效率的Quick-PWM,具有100ns的负载阶跃响应 \n• MAX1540A\n• 1.8V/1.2V固定电压或0.7V至5.5V的可调输出(OUT1) \n• 2.5V/1.5V固定电压或0.7V至5.5V的可调输出(OUT2) \n• 固定的5V、100mA线性稳压器\n\n\n• MAX1541\n• 外部基准输入(REFIN1) \n• 动态可选的0.7V至5.5V输出电压(OUT1) \n• 2.5V/1.8V固定或0.7V至5.5V的可调输出(OUT2) \n• 可选的电源就绪指示,及瞬变期间的故障屏蔽\n• ;

ADI

亚德诺

MAX1540AETJ+

Package:32-WFQFN 裸露焊盘;包装:管件 功能:降压 类别:集成电路(IC) PMIC - 稳压器 - DC DC 开关式控制器 描述:IC REG CTRLR BUCK 32TQFN

AD

亚德诺

MAX1540AETJ+T

Package:32-WFQFN 裸露焊盘;包装:带 功能:降压 类别:集成电路(IC) PMIC - 稳压器 - DC DC 开关式控制器 描述:IC REG CTRLR BUCK 32TQFN

AD

亚德诺

MAX1540AETJ+T

Package:32-WFQFN 裸露焊盘;包装:带 功能:降压 类别:集成电路(IC) DC-DC 开关控制器 描述:IC REG CTRLR BUCK 32TQFN

AD

亚德诺

技术参数

  • VIN (max)(V):

    28

  • VOUT1 (min)(V):

    0.7

  • VOUT1 (max)(V):

    5.5

  • IOUT1 (max)(A):

    5

  • Switch Type:

    External

  • Preset VOUT(V):

    1.2

  • Output Adjust. Method:

    Resistor

  • VOUT1 Tolerance(±%):

    1

  • VOUT2 (min)(V):

    0.7

  • VOUT2 (max)(V):

    5.5

  • IOUT2 (max)(A):

    5

  • Synchronous Switching:

    Yes

  • Power Good Signal:

    Yes

  • ICC (max)(mA):

    1.5

  • # DC-DC Outputs:

    2

  • # LDO/ Op.Amp. Outputs:

    1

  • Switching Frequency(kHz):

    200

  • Features:

    Adjustable Freq.

  • EV Kit Available:

    Yes

  • Oper. Temp.(°C):

    -40 to +85

  • Package/ Pins:

    TQFN/32

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

    26

  • RoHS Available:

    Yes

  • Budgetary Price (See Notes):

    $4.19 @1k

供应商型号品牌批号封装库存备注价格
MAXIM
24+
QFN
860
询价
MAXIM
25+
QFN
1000
强调现货,随时查询!
询价
MAXIM
08+
QFN
100
询价
MAXIM
25+
QFN
100
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
MAXIM
24+
QFN
6980
原装现货,可开13%税票
询价
MAXIM
24+
QFN
4652
公司原厂原装现货假一罚十!特价出售!强势库存!
询价
MAXIM
2016+
QFN
3500
只做原装,假一罚十,公司可开17%增值税发票!
询价
MAXIM
24+
QFN
5000
全现原装公司现货
询价
MAXIM
22+
QFN
5000
原装现货库存.价格优势!!
询价
MaximIntegrated
24+
32-TQFN-EP(5x5)
66800
原厂授权一级代理,专注汽车、医疗、工业、新能源!
询价
更多MAX1540A供应商 更新时间2025-10-4 15:30:00