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| 型号： | MAX4823ETP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/19页 |
| 文件大小： | 0K |
| 描述： | IC RELAY DRIVER 8CHAN 20-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 继电器/灯驱动器 |
| 输入类型： | 串行 |
| 输出数： | 8 |
| 导通状态电阻： | 2.7 欧姆 |
| 电流 - 输出 / 通道： | 70mA |
| 电流 - 峰值输出： | 150mA |
| 电源电压： | 2.3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WFQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
+3.3V/+5V, 8-Channel Relay Drivers with Fast
Recovery Time and Power-Save Mode
V CC
0.1 μ F
V CC
0.1 μ F
V CC
0.1 μ F
V CC
V CC
V CC
DIN
DIN
DOUT
DIN
DOUT
DIN
DOUT
MAX4823 OUT1
MAX4823 OUT1
MAX4823 OUT1
SCLK
SCLK
OUT8
SCLK
SCLK
OUT8
SCLK
SCLK
OUT8
CS
GND
PGND
CS
GND
PGND
CS
GND
PGND
CS
Figure 8. Daisy-Chain Configuration
V CC
0.1 μ F
V CC
0.1 μ F
V CC
0.1 μ F
V CC
V CC
V CC
DIN
DIN
DOUT
DIN
DOUT
DIN
DOUT
PSAVE
MAX4822 OUT1
PSAVE
MAX4822 OUT1
PSAVE
MAX4822 OUT1
0.47 μ F
SCLK
OUT8
0.47 μ F
SCLK
OUT8
0.47 μ F
SCLK
OUT8
CS
GND
PGND
CS
GND
PGND
CS
GND
PGND
SCLK
CS
Figure 9. Daisy-Chained MAX4822s with a Capacitor Connected to PSAVE
where N is the total number of MAX4822 devices in a
single chain, and R ON is the on-resistance of the
n-channel MOSFET in ? s.
For example, if N = 10:
R ON < 142 ?
An n-channel MOSFET with R ON less than 142 ? is
required for a daisy chain of 10 MAX4822 devices.
Inductive Kickback Protection with
Fast Recovery Time
The MAX4822–MAX4825 feature built-in inductive kick-
back protection to reduce the voltage spike on OUT_
generated by a relay’s coil inductance when the output
is suddenly switched off. An internal Zener clamp
allows the inductor current to flow back to ground. The
Zener configuration significantly reduces the recovery
time (time it takes to turn off the relay) when compared
to protection configurations with just one diode across
the coil.
14
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4823EUP | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX4823EUP-T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
| MAX4824ETP | 功能描述:功率驱动器IC RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4824ETP+ | 功能描述:功率驱动器IC 3.3V/5V 8Ch Relay Driver RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4824ETP+T | 功能描述:功率驱动器IC 3.3V/5V 8Ch Relay Driver RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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