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參數資料
| 型號： | UC2730QTR |
| 英文描述： | High side driver |
| 中文描述： | 溫度變送器/傳感器 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 307K |
| 代理商： | UC2730QTR |
Thermal Monitor
UC1730
UC2730
UC3730
DESCRIPTION
The UC1730 family of integrated circuit devices are designed to be used in
a number of thermal monitoring applications. Each IC combines a tempera-
ture transducer, precision reference, and temperature comparator allowing
the device to respond with a logic output if temperatures exceed a user pro-
grammed level. The reference on these devices is capable of supplying in
excess of 250mA of output current
by setting a level of power dissipation
the rise in die temperature will vary with airflow past the package, allowing
the IC to respond to airflow conditions
These devices come in an 8-Pin DIP, plastic or ceramic, a 5-Pin TO-220 or a
PLCC-20 version. In the 8-Pin version, a PTAT (proportional to absolute
temperature) output reports die temperature directly. This output is config-
ured such that its output level can be easily scaled up with two external gain
resistors. A second PTAT source is internally referenced to the temperature
comparator. The other input to this comparator can then be externally pro-
grammed to set a temperature threshold. When this temperature threshold
is exceeded an alarm delay output is activated. Following the activation of
the delay output, a separate open collector output is turned on. The delay
pin can be programmed with an external RC to provide a time separation
between activation of the delay pin and the alarm pin, permitting shutdown
diagnostics in applications where the open collector outputs of multiple parts
are wire OR’ed together.
The 5-Pin version in the TO-220 package is well suited for monitoring
heatsink temperatures. Enhanced airflow sensitivities can be obtained with
this package by mounting the device to a small heatsink in the airstream.
This version of the device does not include the PTAT output or the open col-
lector alarm output.
FEATURES
On-Chip Temperature Transducer
Temperature Comparator Gives
Threshold Temperature Alarm
Power Reference Permits Airflow
Diagnostics
Precision 2.5V Power Reference
Permits Airflow Diagnostics
Transducer Output is Easily Scaled
for Increased Sensitivity
Low 2.5mA Quiescent Current
BLOCK DIAGRAM
10/94
Pin numbers shown for 8-Pin DIP ( ) number for 5-Pin TO-220.
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相關PDF資料 |
PDF描述 |
|---|---|
| UC1730Q | 8-bit MCU for automotive with single voltage, Flash memory, data EEPROM, ADC, timers, SPI |
| UC1730QTR | 8-bit MCU for automotive with single voltage, Flash memory, data EEPROM, ADC, timers, SPI |
| UC1730T | 8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI |
| UC1730J | 8-bit MCU for automotive with Flash or ROM, 10-bit ADC, 5 timers, SPI, LINSCI", active CAN |
| UC1730N | 8-bit MCU for automotive with single voltage, Flash memory, data EEPROM, ADC, timers, SPI |
相關代理商/技術參數 |
參數描述 |
|---|---|
| UC2730T | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| UC274 | 制造商:EDSYN 功能描述: |
| UC-275 | 制造商:Brainboxes 功能描述:Serial Card, 3.3/5.0V, uPCI, 8 x RS232 DB25 制造商:BRAINBOXES 功能描述:CARD PCI RS232 8X25 8PORT 制造商:Brainboxes 功能描述:UPCI 8XRS232 DB25 |
| UC2766 | 制造商:NJSEMI 制造商全稱:New Jersey Semi-Conductor Products, Inc. 功能描述:(SINGLE, DUAL) MOS FET P-CHANNEL, ENHANCEMENT |
| UC-279 | 制造商:Brainboxes 功能描述:Serial Card, 3.3/5.0V, uPCI 8 x RS232 制造商:BRAINBOXES 功能描述:CARD SERIAL PCI RS232 8PORT 制造商:Brainboxes 功能描述:UPCI 8XRS232 制造商:BRAINBOXES 功能描述:INTERFACE CARD; Computer Interface:PCI; Data Rate Max:115200bps; No. of Pins:9; No. of Ports:8; Port Style:RS-232; Supply Voltage Max:5V ;RoHS Compliant: Yes |
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