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MAX1762EUB

更新时间： 2024-09-23 22:57:59
品牌 Logo 应用领域
美信 - MAXIM 电脑控制器
页数 文件大小 规格书
20页 390K
描述
High-Efficiency, 10-Pin レMAX, Step-Down Controllers for Notebooks

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MAX1762EUB 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：TSSOP, TSSOP10,.19,20针数：10
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.31.00.01Factory Lead Time：1 week
风险等级：5.63模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：20 V最小输入电压：5 V
标称输入电压：15 VJESD-30 代码：S-PDSO-G10
JESD-609代码：e4长度：3 mm
湿度敏感等级：1功能数量：1
端子数量：10最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP10,.19,20
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：240认证状态：Not Qualified
座面最大高度：1.1 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：PUSH-PULL
最大切换频率：328 kHz温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20宽度：3 mm
Base Number Matches：1

MAX1762EUB 数据手册

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19-1923; Rev 0; 1/01  
High-Efficiency, 10-Pin µMAX, Step-Down  
Controllers for Notebooks  
General Description  
Features  
The MAX1762/MAX1791 PWM step-down controllers  
provide high efficiency, excellent transient response,  
and high DC output accuracy needed for stepping  
down high-voltage batteries to generate low-voltage  
CPU core, I/O, and chipset RAM supplies in notebook  
computers and PDAs.  
o High Operating Frequency (300kHz)  
o No Current-Sense Resistor  
o Accurate Current Limit  
o ±±1 ꢀotaꢁ ꢂC ꢃrror oꢄer Line anꢅ ꢂuring  
Continuous Conꢅuction  
Maxim’s proprietary Quick-PWM™ pulse-width modula-  
tor is a free-running constant on-time type with input  
feed-forward. Its high operating frequency (300kHz)  
allows small external components to be utilized in PC  
board area-critical applications such as subnotebook  
computers and smart phones. PWM operation occurs  
at heavy loads, and automatic switchover to pulse-skip-  
ping operation occurs at lighter loads. The external  
high-side P-channel and low-side N-channel MOSFETs  
require no bootstrap components. The MAX1762/  
MAX1791 are simple, easy to compensate, and do not  
have the noise sensitivity of conventional fixed-frequen-  
cy current-mode PWMs.  
o ꢂuaꢁ Moꢅe Fixeꢅ Output  
±.8V/2.5V/aꢅj (MAX±762)  
3.3V/5.0V/aꢅj (MAX±79±)  
o 0.5V to 5.5V Output Aꢅjust Range  
o 5V to 20V Input Range  
o Automatic Light-Loaꢅ Puꢁse Skipping Operation  
o Free-Running On-ꢂemanꢅ PWM  
o Foꢁꢅback Moꢅe™ UVLO  
o PFꢃꢀ/NFꢃꢀ Synchronous Buck  
o 4.65V at 25mA Linear Reguꢁator Output  
o 5µA Shutꢅown Suppꢁy Current  
o 230µA Quiescent Suppꢁy Current  
o ±0-Pin µMAX Package  
These devices achieve high efficiency at a reduced  
cost by eliminating the current-sense resistor found in  
traditional current-mode PWMs. Efficiency is further  
enhanced by their ability to drive synchronous-rectifier  
MOSFETs. The MAX1762/MAX1791 come in a 10-pin  
µMAX package and offer two fixed voltages (Dual  
Mode™) for each device, 1.8V/2.5V/adj (MAX1762) and  
3.3V/5.0V/adj (MAX1791).  
Ordering Information  
________________________Applications  
PART  
TEMP. RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
10 µMAX  
Notebooks  
Handy-Terminals  
MAX1762EUB  
MAX1791EUB  
Subnotebooks  
Digital Cameras  
PDAs  
10 µMAX  
Smart Phones  
1.8V/2.5V Logic  
and I/O Supplies  
Pin Configuration  
TOP VIEW  
Typical Operating Circuit  
V
BATT  
(5V TO 20V)  
VL  
REF  
FB  
1
2
3
4
5
10 VP  
9
8
7
6
DH  
CS  
VL  
VP  
MAX1762  
MAX1791  
MAX1762  
MAX1791  
OUT  
DL  
SHDN  
GND  
DH  
CS  
REF  
FB  
V
OUT  
1.8V/3.3V  
µMAX  
OUT  
DL  
Quick-PWM, Dual Mode, and Foldback Mode are a trade-  
marks of Maxim Integrated Products.  
SHDN  
GND  
________________________________________________________________ Maxim Integrated Products  
±
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
1234567...20

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MAX1762EUB 替代型号

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