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MAX845ESA

更新时间: 2024-11-22 22:35:07
品牌 Logo 应用领域
美信 - MAXIM 变压器驱动器PC
页数 文件大小 规格书
16页 215K
描述
Isolated Transformer Driver for PCMCIA Applications

MAX845ESA 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, MS-012A, SOIC-8针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.06
接口集成电路类型:BUFFER OR INVERTER BASED PERIPHERAL DRIVERJESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:4.9 mm
湿度敏感等级:1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封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):245电源:5 V
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Other Interface ICs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: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 mmBase Number Matches:1

MAX845ESA 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.  

MAX845ESA 替代型号

型号 品牌 替代类型 描述 数据表
MAX845ESA-T MAXIM

类似代替

Buffer/Inverter Based Peripheral Driver, 1A, PDSO8, 0.150 INCH, MS-012A, SOIC-8
MAX845ESA+T MAXIM

功能相似

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

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MAX845ESA/GH9-T MAXIM

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Buffer/Inverter Based Peripheral Driver, 1A, PDSO8, 0.150 INCH, MS-012A, SOIC-8
MAX845ESA+G55 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, 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

获取价格

Evaluation Kit for the MAX845