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MAX845ESA/GH9-T

更新时间： 2024-09-25 04:44:27
品牌 Logo 应用领域
美信 - MAXIM 驱动光电二极管接口集成电路
页数 文件大小 规格书
16页 213K
描述
Buffer/Inverter Based Peripheral Driver, 1A, PDSO8, 0.150 INCH, MS-012A, SOIC-8

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MAX845ESA/GH9-T 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete包装说明：SOP,
Reach Compliance Code：compliant风险等级：5.32
接口集成电路类型：BUFFER OR INVERTER BASED PERIPHERAL DRIVERJESD-30 代码：R-PDSO-G8
长度：4.9 mm功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C输出电流流向：SOURCE AND SINK
标称输出峰值电流：1 A封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
座面最大高度：1.75 mm最大供电电压：5.5 V
最小供电电压：4.5 V标称供电电压：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：1.27 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 mm

MAX845ESA/GH9-T 数据手册

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19-0372; Rev 4; 10/97  
Is o la t e d Tra n s fo rm e r Drive r  
fo r P CMCIA Ap p lic a t io n s  
MAX845  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
The MAX845 provides an isolated power supply small  
enough to fit in thin PCMCIA cards and space-sensitive  
applications. It drives a low-profile center-tapped trans-  
former primary from a 5V or 3.3V DC power supply. The  
secondary can be wound to provide any isolated posi-  
tive or negative voltage at powers up to 750mW.  
♦ Transformer Driver for Ultra-Thin 5V-µs Transformers  
♦ Isolated DC-to-DC Power Supply for PCMCIA  
Applications  
♦ 450kHz Minimum Switching Frequency  
♦ Ultra-Low Input Supply Current Ripple  
♦ Single +5V or +3.3V Supply  
The MAX845 consists of an oscillator followed by a tog-  
gle flip-flop. The flip-flop generates two 50% duty-cycle  
square waves, which are complementary at half the  
oscillator frequency (450kHz, min). These two signals  
drive the ground-referenced N-channel power switch-  
es. Internal circuitry ensures break-before-make action  
between the two switches.  
♦ 5µW Low-Power Shutdown Mode  
♦ 8-Pin SO and µMAX Packages  
♦ Low Output Ripple Permits Miniature Output  
Capacitors  
A low-power shutdown disables both the switches and  
the oscillator, reducing power consumption. An evalua-  
tion kit (MAX845EVKIT-MM) is available to evaluate low-  
profile 5V 40mA and 5V 100mA applications.  
________________________Ap p lic a t io n s  
_______________Ord e rin g In fo rm a t io n  
PCMCIA Modem Cards  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
Dice*  
Isolated Data Acquisition  
Isolated Interface Power Supply  
Noise-Immunity Communications Interface  
Bridging Ground Differences  
Medical Equipment  
MAX845C/D  
MAX845ESA  
MAX845EUA  
-40°C to +85°C  
-40°C to +85°C  
8 SO  
8 µMAX  
*Contact factory for dice specifications.  
Process Control  
Low-Power LAN Networks  
___________________P in Co n fig u ra t io n  
__________Typ ic a l Op e ra t in g Circ u it  
V
IN  
5V  
TOP VIEW  
ON / OFF  
C1  
4
6
OUTPUT  
CR1  
SD  
V
CC  
5V @ 150mA  
1
8
D1  
D1  
GND1  
FS  
1
2
3
4
8
7
6
5
D2  
C2  
C3  
GND2  
MAX845  
MAX845  
V
CC  
3
FS  
D2  
SD  
T1  
N.C.  
FREQUENCY  
SELECT  
GND1  
GND2  
7
2
SO/µMAX  
CR2  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 408-737-7600 ext. 3468.  
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 		Buffer/Inverter Based Peripheral Driver, PDSO8, 0.150 INCH, MS-012A, SOIC-8
MAX845ESA+T MAXIM

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 		Buffer/Inverter Based Peripheral Driver, PDSO8, 0.150 INCH, MS-012A, SOIC-8
MAX845ESA-T MAXIM

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 		Buffer/Inverter Based Peripheral Driver, 1A, PDSO8, 0.150 INCH, MS-012A, SOIC-8
MAX845EUA MAXIM

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 		Isolated Transformer Driver for PCMCIA Applications
MAX845EUA+ MAXIM

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 		Buffer/Inverter Based Peripheral Driver, PDSO8, UMAX-8
MAX845EUA+T MAXIM

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 		Buffer/Inverter Based Peripheral Driver, PDSO8, UMAX-8
MAX845EUA-T MAXIM

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 		Buffer/Inverter Based Peripheral Driver, 1A, PDSO8, UMAX-8
MAX845EVKIT MAXIM

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 		Evaluation Kit for the MAX845
MAX845EVKIT-MM MAXIM

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 		Isolated Power Supply
MAX845LESA MAXIM

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