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MAX845EUA+ PDF预览

MAX845EUA+

更新时间: 2024-01-18 09:55:59
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 216K
描述
Buffer/Inverter Based Peripheral Driver, PDSO8, UMAX-8

MAX845EUA+ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:TSSOP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:1.1接口集成电路类型:BUFFER OR INVERTER BASED PERIPHERAL DRIVER
JESD-30 代码:S-PDSO-G8JESD-609代码:e3
长度:3 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
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.1 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
端子面层:Matte Tin (Sn)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:3 mm
Base Number Matches:1

MAX845EUA+ 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.  

MAX845EUA+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX845EUA+T MAXIM

类似代替

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

类似代替

Isolated Transformer Driver for PCMCIA Applications

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