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参数资料
| 型号： | TL7700CPSE4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | PLASTIC, SO-8 |
| 文件页数： | 11/11页 |
| 文件大小： | 147K |
| 代理商： | TL7700CPSE4 |
TL7700
SUPPLY-VOLTAGE SUPERVISOR
SLVS220B – JULY 1999 – REVISED AUGUST 2000
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 17. VCC vc Output Test Circuit 3
VCC
Vs
GND
CT
RESET
2.2 k
30 k
510 pF
Test
Point 1
240 k
100 pF
Test
Point 2
SENSE
Figure 18. VCC vs Output Waveform 3
X-Axis = 0.2 ms/Division
TP1
TP2
Y
-Axis
(TP1)
=
1
V/Division
Y
-Axis
(TP2)
=
2
V/Division
detailed description
sense-voltage setting
The SENSE terminal input voltage, Vs, of the TL7700 typically is 500 mV. By using two external resistors, the
circuit designer can obtain any sense voltage over 500 mV. In Figure 19, the sensing voltage, Vs’, is calculated
as:
Vs’ = Vs × (R1 + R2)/R2
Where:
Vs = 500 mV, typically at TA = 25°C
At room temperature, Vs has a variation of 500 mV ± 5 mV. In the basic circuit shown in Figure 19, variations
of [
±5 × (R1 + R2)/R2] mV are superimposed on Vs.
VCC
Vs
GND
CT
RESET
RL
R1
R2
Ct
VCC
RESET
GND
SENSE
Figure 19
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TL7700CPSR | 功能描述:监控电路 Supply V RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TL7700CPSRG4 | 功能描述:监控电路 VOLTAGE SUPERVISOR RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TL7700CPW | 功能描述:监控电路 VOLTAGE SUPERVISOR RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TL7700CPWE4 | 功能描述:监控电路 VOLTAGE SUPERVISOR RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TL7700CPWG4 | 功能描述:监控电路 Voltage Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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