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MAX1641EEE-T PDF预览

MAX1641EEE-T

更新时间: 2024-09-16 20:39:31
品牌 Logo 应用领域
美信 - MAXIM 开关光电二极管
页数 文件大小 规格书
11页 186K
描述
Switching Controller, Current-mode, 0.02A, 500kHz Switching Freq-Max, CMOS, PDSO16, 0.150 INCH, 0.025 INCH PITCH, QSOP-16

MAX1641EEE-T 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:SSOP, SSOP16,.25针数:16
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.23
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:CURRENT-MODE
控制技术:CONSTANT OFF TIME最大输入电压:26 V
最小输入电压:5.5 V标称输入电压:12 V
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:4.89 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:0.02 A封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SSOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):240认证状态:Not Qualified
座面最大高度:1.75 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:500 kHz技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

MAX1641EEE-T 数据手册

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19-1245; Rev 1; 1/02  
Adjustable-Output, Switch-Mode  
Current Sources with Synchronous Rectifier  
0/MAX641  
________________  
General Description  
____________________________Features  
95% Efficiency  
The MAX1640/MAX1641 CMOS, adjustable-output,  
switch-mode current sources operate from a +5.5V to  
+26V input, and are ideal for microprocessor-controlled  
battery chargers. Charging current, maximum output  
voltage, and pulse-trickle charge are programmed with  
external resistors. Programming the off-time modifies  
the switching frequency, suppressing undesirable har-  
monics in noise-sensitive circuits. The MAX1640’s high-  
side current sensing allows the load to connect directly  
to ground, eliminating ground-potential errors. The  
MAX1641 incorporates a low-side current sense.  
+5.5V to +26V Input Supply Range  
2V to 24V Adjustable-Output Voltage Range  
100% Maximum Duty Cycle (Low Dropout)  
Up to 500kHz PWM Operation  
Optional Synchronous Rectifier  
16-Pin QSOP Package  
Current-Sense Accuracy: 2% (MAX1641),  
The MAX1640/MAX1641 step-down pulse-width-modu-  
lation (PWM) controllers use an external P-channel  
MOSFET switch and an optional, external N-channel  
MOSFET synchronous rectifier for increased efficiency.  
An internal low-dropout linear regulator provides power  
for the internal reference and circuitry as well as the  
gate drive for the N-channel synchronous rectifier.  
5.3% (MAX1640)  
Ordering Information  
__________________  
PART  
TEMP. RANGE  
PIN-PACKAGE  
Dice*  
The MAX1640/MAX1641 are available in space-saving,  
16-pin narrow QSOP packages.  
MAX1640C/D  
MAX1640EEE  
MAX1641C/D  
MAX1641EEE  
0°C to +70°C  
-40°C to +85°C  
0°C to +70°C  
16 QSOP  
Dice*  
________________________Applications  
-40°C to +85°C  
16 QSOP  
Battery-Powered Equipment  
Laptop, Notebook, and Palmtop Computers  
Handy Terminals  
*Dice are specified at T = +25°C, DC parameters only.  
A
Portable Consumer Products  
Cordless Phones  
_____________Typical Operating Circuit  
Cellular Phones  
V
IN  
= +5.5V TO +26V  
PCS Phones  
IN  
LDOH  
PDRV  
Backup Battery Charger  
D0  
D1  
P
______________________  
Pin Configuration  
TOFF  
REF  
NDRV  
PGND  
CS+  
R
TOFF  
TOP VIEW  
LDOL  
TOFF  
D1  
1
2
3
4
5
6
7
8
16 IN  
15 LDOH  
14 PDRV  
SET  
OUT  
CS-  
D0  
MAX1640  
MAX1641  
13 NDRV  
12 PGND  
11 CS+  
10 CS-  
CC  
MAX1640  
TERM  
REF  
SET  
TERM  
CC  
GND  
LDOL  
9
GND  
QSOP  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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