MAX1540中文资料PDF规格书
![MAX1540](https://oss.114ic.com/img3w/pdf141156.png)
厂商型号 |
MAX1540 |
参数属性 | MAX1540 封装/外壳为32-WFQFN 裸露焊盘;包装为管件;类别为集成电路(IC) > PMIC - 稳压器 - DC DC 开关式控制器;产品描述:IC REG CTRLR BUCK 32TQFN |
功能描述 | Dual Step-Down Controllers with Saturation Protection, Dynamic Output, and Linear Regulator |
文件大小 |
834.68 Kbytes |
页面数量 |
49 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 | 2024-6-19 19:47:00 |
MAX1540规格书详情
General Description
The MAX1540/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 computers.
Features
♦ Inductor-Saturation Protection
♦ Accurate Differential Current-Sense Inputs
♦ Dual Ultra-High-Efficiency Quick-PWMs with 100ns Load-Step Response
♦ MAX1540
1.8V/1.2V Fixed or 0.7V to 5.5V Adjustable Output (OUT1)
2.5V/1.5V Fixed or 0.7V to 5.5V Adjustable Output (OUT2)
Fixed 5V, 100mA Linear Regulator
♦ MAX1541
External Reference Input (REFIN1)
Dynamically Selectable Output Voltage—0.7V
to 5.5V (OUT1)
2.5V/1.8V Fixed or 0.7V to 5.5V Adjustable Output (OUT2)
Optional Power-Good and Fault Blanking During Transitions
Fixed 5V or Adjustable 100mA Linear Regulator
♦ 1 VOUT Accuracy over Line and Load
♦ 2V to 28V Battery Input Range
♦ 170kHz to 620kHz Selectable Switching Frequency
♦ Overvoltage/Undervoltage-Protection Option
♦ 1.7ms Digital Soft-Start
♦ Drives Large Synchronous-Rectifier FETs
♦ 2V ±0.7 Reference Output
♦ Separate Power-Good Window Comparators
Applications
Notebook Computers
Core/IO Supplies as Low as 0.7V
0.7V to 5.5V Supply Rails
CPU/Chipset/GPU with Dynamic Voltage Core Supplies (MAX1541)
DDR Memory Termination (MAX1541)
Active Termination Buses (MAX1541)
产品属性
- 产品编号:
MAX1540AETJ+
- 制造商:
Analog Devices Inc./Maxim Integrated
- 类别:
集成电路(IC) > PMIC - 稳压器 - DC DC 开关式控制器
- 包装:
管件
- 输出类型:
晶体管驱动器
- 功能:
降压
- 输出配置:
正
- 拓扑:
降压
- 输出阶段:
1
- 电压 - 供电 (Vcc/Vdd):
5.5V ~ 28V
- 频率 - 开关:
170kHz ~ 620kHz
- 占空比(最大):
100%
- 同步整流器:
是
- 时钟同步:
无
- 控制特性:
限流,使能,导通时间控制,电源良好,脉冲跳频,饱和度
- 工作温度:
-40°C ~ 85°C(TA)
- 安装类型:
表面贴装型
- 封装/外壳:
32-WFQFN 裸露焊盘
- 供应商器件封装:
32-TQFN(5x5)
- 描述:
IC REG CTRLR BUCK 32TQFN
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM |
1844+ |
QFN |
6528 |
只做原装正品假一赔十为客户做到零风险!! |
询价 | ||
MAXIM |
23+ |
QFN |
20000 |
原厂原装正品现货 |
询价 | ||
MAXIM/美信 |
21+ |
TQFN32 |
5000 |
原装现货/假一赔十/支持第三方检验 |
询价 | ||
MAXIM(美信) |
23+ |
TQFN32(5x5) |
6000 |
诚信服务,绝对原装原盘 |
询价 | ||
MAXIM |
TQFN32 |
53650 |
一级代理 原装正品假一罚十价格优势长期供货 |
询价 | |||
MAX |
QFN |
22+ |
8000 |
终端免费提供样品 可开13%增值税发票 |
询价 | ||
ADI(亚德诺)/MAXIM(美信) |
23+ |
7350 |
原装进口,原厂直销!当天可交货,支持原型号开票! |
询价 | |||
MAXIM/美信 |
0728+ |
NA |
880000 |
明嘉莱只做原装正品现货 |
询价 | ||
MAX |
22+ |
QFN |
2560 |
绝对原装!现货热卖! |
询价 | ||
MAXIM/美信 |
22+ |
QFN |
12245 |
现货,原厂原装假一罚十! |
询价 |