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MAX1968EUI-T

更新时间： 2024-11-30 20:52:59
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理开关光电二极管
页数 文件大小 规格书
16页 518K
描述
Switching Regulator, Current-mode, 4.5A, 1000kHz Switching Freq-Max, BICMOS, PDSO28, 4.40 MM, EXPOSED PAD, TSSOP-28

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MAX1968EUI-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：SSOP
包装说明：TSSOP, TSSOP28,.25针数：28
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.22
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：PHASE-SHIFT CONTROL最大输入电压：5.5 V
最小输入电压：3 V标称输入电压：5 V
JESD-30 代码：R-PDSO-G28JESD-609代码：e0
长度：9.7 mm湿度敏感等级：1
功能数量：1端子数量：28
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：4.5 A封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP28,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：245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：PHASE-SHIFT
最大切换频率：1000 kHz技术：BICMOS
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn85Pb15)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mmBase Number Matches：1

MAX1968EUI-T 数据手册

 浏览型号MAX1968EUI-T的Datasheet PDF文件第2页浏览型号MAX1968EUI-T的Datasheet PDF文件第3页浏览型号MAX1968EUI-T的Datasheet PDF文件第4页浏览型号MAX1968EUI-T的Datasheet PDF文件第5页浏览型号MAX1968EUI-T的Datasheet PDF文件第6页浏览型号MAX1968EUI-T的Datasheet PDF文件第7页 
19-2447; Rev 1; 5/04  
Power Drivers for Peltier TEC Modules  
General Description  
Features  
The MAX1968/MAX1969 are highly integrated and cost-  
effective, high-efficiency, switch-mode drivers for Peltier  
thermoelectric cooler (TEC) modules. Both devices uti-  
lize direct current control to eliminate current surges in  
the TEC. On-chip FETs minimize external components  
while providing high efficiency. A 500kHz/1MHz switch-  
ing frequency and a unique ripple cancellation scheme  
reduce component size and noise.  
o Direct Current Control Prevents TEC Current  
Surges  
o On-Chip Power MOSFETs  
o High-Efficiency Switch-Mode Design  
o Ripple Cancellation for Low Noise  
o No Dead-Zone or Hunting at Low-Output Current  
o Adjustable TEC Voltage Limit  
The MAX1968 operates from a single supply and pro-  
vides bipolar 3A output by biasing the TEC between  
the outputs of two synchronous buck regulators. Bipolar  
operation allows for temperature control without “dead  
zones” or other nonlinearities at low load currents. This  
arrangement ensures that the control system does not  
hunt when the set point is very close to the natural  
operating point, requiring a small amount of heating or  
cooling. An analog control signal precisely sets the TEC  
current. The MAX1969 provides unipolar output up to  
6A. Reliability is optimized with settable limits for both  
TEC voltage and current, with independently set limits  
for heating and cooling current. An analog output also  
monitors TEC current.  
o Separately Adjustable Heating and Cooling  
Current Limits  
o ITEC Output Monitors TEC Current  
o 1% Accurate Voltage Reference  
o 500kHz/1MHz Switching Frequency  
o
3A Output Current (MAX1968)  
o 6A Output Current (MAX1969)  
o Thermally Enhanced TSSOP-EP Package  
The MAX1968/MAX1969 are available in a low-profile  
28-pin TSSOP-EP package and is specified over the  
-40°C to +85°C temperature range. The thermally-  
enhanced TSSOP-EP package with exposed metal pad  
minimizes operating junction temperature. An evalua-  
tion kit is available to speed designs.  
Ordering Information  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
28 TSSOP-EP*  
28 TSSOP-EP*  
MAX1968EUI  
MAX1969EUI  
*EP = exposed paddle.  
Applications  
Typical Operating Circuit  
Fiber Optic Laser Modules  
WDM, DWDM Laser Diode Temperature Control  
Fiber Optic Network Equipment  
EDFA Optical Amplifiers  
Telecom Fiber Interfaces  
ATE  
3V TO  
5.5V  
TEC  
CURRENT-  
CONTROL  
SIGNAL  
Biotech Lab Equipment  
V
CTLI  
PV  
1
PV 2  
DD  
DD  
DD  
PGND1  
PGND2  
COMP  
MAX1968  
OS2  
LX1  
LX2  
GND  
OS2  
CS  
TEC  
Pin Configuration and Functional Diagram appear at end  
of data sheet.  
________________________________________________________________ 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.  
1234567...16

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MAX1968EUI-T 替代型号

型号 品牌 替代类型 描述 数据表
MAX1968EUI MAXIM

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