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參數資料
| 型號： | L9703 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 電源管理 |
| 英文描述： | 8-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP20 |
| 封裝： | DIP-20 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 1340K |
| 代理商： | L9703 |
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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| L9703D | 8-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20 |
| LA1417 | SPECIALTY ANALOG CIRCUIT, PDIP14 |
| LA1407 | SPECIALTY ANALOG CIRCUIT, PDIP14 |
| LA5615M | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| L9703D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL GROUND CONTACT MONITORING CIRCUIT |
| L9704 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL SUPPLY CONTACT MONITORING CIRCUIT |
| L9704D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL SUPPLY CONTACT MONITORING CIRCUIT |
| L9705 | 功能描述:開關變換器、穩壓器與控制器 Double Quad Interfac RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L9705D | 功能描述:開關變換器、穩壓器與控制器 Double Quad Interfac RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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