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参数资料
| 型号： | L9703D |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 电源管理 |
| 英文描述： | 8-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20 |
| 封装： | SO-20 |
| 文件页数： | 1/9页 |
| 文件大小： | 1340K |
| 代理商： | L9703D |
L9703
March 1992
OCTAL GROUND CONTACT MONITORING CIRCUIT
.
OPERATING DC SUPPLY VOLTAGE RANGE
5V TO 25V
.
SUPPLY OVERVOLTAGE PULSE UP TO 40V
.
VERY LOW STANDBY QUIESCENT CUR-
RENT 0.2mA
.
INTERNAL CLAMPING DIODES AT CONTACT
INPUTS TO VS AND GND
.
INPUT PULSE CURRENT CAPABILITY UP TO
+ 50mA ; – 75mA
.
NOMINAL CONTACT CURRENT OF 10mA DE-
FINED BY EXTERNAL CONTACT SERIES RE-
SISTORS RI N1–8
.
CONTACT STATUS MONITORING BY COM-
PARING THE RESISTANCE AT CONTACT
SENSE INPUTS WITH THE INTERNAL REFER-
ENCE RESISTOR VALUE
.
HIGH IMMUNITY DUE TO RESISTANCE COM-
PARISON WITH HYSTERESIS
BLOCK DIAGRAM
SO-20L
DIP-20
ORDERING NUMBERS : L9703 (DIP-20)
L9703D (SO-20L)
DESCRIPTION
The L9703 is a bipolar monolithic integrated cir-
cuit for monitoring the status of up to eight con-
tacts connected to GND.
It contains eight contact sense inputs and eight
microcomputer compatible three-state outputs.
1/9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L9704 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:OCTAL SUPPLY CONTACT MONITORING CIRCUIT |
| L9704D | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:OCTAL SUPPLY CONTACT MONITORING CIRCUIT |
| L9705 | 功能描述:开关变换器、稳压器与控制器 Double Quad Interfac RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| L9705D | 功能描述:开关变换器、稳压器与控制器 Double Quad Interfac RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| L9708 | 功能描述:低压差稳压器 - LDO Quad Squib Driver PTS SmartPower RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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