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MAX1964TEEE PDF预览

MAX1964TEEE

更新时间： 2024-11-29 22:19:55
品牌 Logo 应用领域
美信 - MAXIM 控制器
页数 文件大小 规格书
30页 466K
描述
Tracking/Sequencing Triple/Quintuple Power-Supply Controllers

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MAX1964TEEE 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：0.150 INCH, 0.025 INCH PITCH, QSOP-16针数：16
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.31.00.01Factory Lead Time：1 week
风险等级：5.19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：28 V最小输入电压：4.5 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G16
JESD-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：0.05 A
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
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：1.73 mm表面贴装：YES
切换器配置：PUSH-PULL最大切换频率：240 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：0.635 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20宽度：3.9 mm
Base Number Matches：1

MAX1964TEEE 数据手册

 浏览型号MAX1964TEEE的Datasheet PDF文件第2页浏览型号MAX1964TEEE的Datasheet PDF文件第3页浏览型号MAX1964TEEE的Datasheet PDF文件第4页浏览型号MAX1964TEEE的Datasheet PDF文件第5页浏览型号MAX1964TEEE的Datasheet PDF文件第6页浏览型号MAX1964TEEE的Datasheet PDF文件第7页 
19-2084; Rev 0; 7/01  
Tracking/Sequencing Triple/Quintuple  
Power-Supply Controllers  
General Description  
Features  
The MAX1964/MAX1965 power-supply controllers are  
designed to address cost-sensitive applications  
demanding voltage sequencing/tracking, such as  
cable modem consumer premise equipment (CPE),  
xDSL CPE, and set-top boxes. Operating off a low-cost,  
unregulated DC supply (such as a wall adapter output),  
the MAX1964 generates three positive outputs and the  
MAX1965 generates four positive outputs and one neg-  
ative output to provide an inexpensive system power  
supply.  
ꢀ 4.5V to 28V Input Voltage Range  
ꢀ Master DC-DC Step-Down Converter:  
Preset 3.3V or Adjustable (1.236V to 0.75 x V )  
IN  
Output Voltage  
Fixed Frequency (200kHz) PWM Controller  
No Current-Sense Resistor  
Adjustable Current Limit  
95% Efficient  
Soft-Start  
The MAX1964 includes a current-mode synchronous  
step-down controller and two positive regulator gain  
blocks. The MAX1965 has one additional positive gain  
block and one negative regulator gain block. The main  
synchronous step-down controller generates a high-  
current output that is preset to 3.3V or adjustable from  
ꢀ Two (MAX1964)/Four (MAX1965) Analog Gain  
Blocks:  
Positive Analog Blocks Drive Low-Cost PNP  
Pass Transistors to Build Positive Linear  
Regulators  
Negative Analog Block (MAX1965) Drives a  
Low-Cost NPN Pass Transistor to Build a  
Negative Linear Regulator  
1.236V to 0.75 ✕ V with an external resistive-divider.  
IN  
The 200kHz operating frequency allows the use of low-  
cost aluminum-electrolytic capacitors and low-cost  
power magnetics. Additionally, the MAX1964/MAX1965  
step-down controllers sense the voltage across the low-  
side MOSFET’s on-resistance to efficiently provide the  
current-limit signal, eliminating the need for costly cur-  
rent-sense resistors.  
ꢀ Power-Good Indicator  
ꢀ Voltage Sequencing (MAX1964) or Tracking  
(MAX1965)  
Ordering Information  
The MAX1964/MAX1965 generate additional supply  
rails at low cost. The positive regulator gain blocks use  
an external PNP pass transistor to generate low voltage  
rails directly from the main step-down converter (such  
as 2.5V or 1.8V from the main 3.3V output) or higher  
voltages using coupled windings from the step-down  
converter (such as 5V, 12V, or 15V). The MAX1965’s  
negative gain block uses an external NPN pass transis-  
tor in conjunction with a coupled winding to generate  
-5V, -12V, or -15V.  
TEMP.  
PIN-  
f
OSC  
PART  
RANGE  
PACKAGE  
(kHz)  
-40°C to +85°C  
-40°C to +85°C  
MAX1964TEEE  
MAX1965TEEP  
16 QSOP  
20 QSOP  
200  
200  
Pin Configurations  
All output voltages are externally adjustable, providing  
maximum flexibility. During startup, the MAX1964 fea-  
tures voltage sequencing and the MAX1965 features  
voltage tracking. Both controllers provide a power-  
good output that monitors all of the output voltages.  
TOP VIEW  
POK  
COMP  
OUT  
FB  
1
2
3
4
5
6
7
8
16 IN  
POK  
COMP  
OUT  
FB  
1
2
3
4
5
6
7
8
9
20 IN  
19  
18  
17  
16  
15  
14  
13  
15 VL  
14 BST  
13 DH  
12 LX  
11 DL  
10 GND  
VL  
BST  
DH  
Applications  
xDSL, Cable, and ISDN Modems  
MAX1964  
MAX1965  
B2  
B2  
LX  
FB2  
B3  
FB2  
B3  
DL  
Set-Top Boxes  
GND  
ILIM  
Wireless Local Loop  
FB3  
9
ILIM  
FB3  
B4  
12 FB5  
11 B5  
16-Pin QSOP  
FB4 10  
Typical Operating Circuit appears at end of data sheet.  
20-Pin 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.  
1234567...30

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MAX1964TEEE 替代型号

型号 品牌 替代类型 描述 数据表
MAX1964TEEE-T MAXIM

功能相似

 Switching Controller, Current-mode, 0.05A, 240kHz Switching Freq-Max, BICMOS, PDSO16, 0.15
MAX1964TEEE+ MAXIM

功能相似

 Switching Controller, Current-mode, 0.05A, 240kHz Switching Freq-Max, BICMOS, PDSO16, 0.15
MAX1964TEEE+T MAXIM

功能相似

 Switching Controller, Current-mode, 0.05A, 240kHz Switching Freq-Max, BICMOS, PDSO16, 0.15

与MAX1964TEEE相关器件

型号 品牌 获取价格 描述 数据表
MAX1964TEEE+ MAXIM

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 		Switching Controller, Current-mode, 0.05A, 240kHz Switching Freq-Max, BICMOS, PDSO16, 0.15
MAX1964TEEE+T MAXIM

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 		Switching Controller, Current-mode, 0.05A, 240kHz Switching Freq-Max, BICMOS, PDSO16, 0.15
MAX1964TEEE-T MAXIM

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 		Switching Controller, Current-mode, 0.05A, 240kHz Switching Freq-Max, BICMOS, PDSO16, 0.15
MAX1965 MAXIM

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 		Tracking/Sequencing Triple/Quintuple Power-Supply Controllers
MAX1965TEEP MAXIM

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 		Tracking/Sequencing Triple/Quintuple Power-Supply Controllers
MAX1965TEEP-T MAXIM

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 		Switching Controller, Current-mode, 0.05A, 240kHz Switching Freq-Max, BICMOS, PDSO20, 0.15
MAX1966 MAXIM

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 		Low-Cost Voltage-Mode PWM Step-Down Controllers
MAX1966 ADI

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 		低成本、电压模式、PWM降压型控制器
MAX1966ESA MAXIM

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 		Low-Cost Voltage-Mode PWM Step-Down Controllers
MAX1966ESA+ MAXIM

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 		Switching Controller, Voltage-mode, 1A, 127kHz Switching Freq-Max, BICMOS, PDSO8, 0.150 IN

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