NCV8518B:250 mA LDO Linear Voltage Regulator with Watchdog, Wake Up, Reset , Delay and Enable
The NCV8518B device is a precision micropower voltage regulator. It has a fixed output voltage of 5.0 V and regulates within ±2%. Microprocessor control logic includes an active RESET (with DELAY), wakeup, watchdog and enable. The NCV8518B Wakeup function brings the microprocessor out of Sleep mode. The microprocessor in turn signals its Wakeup status back to the NCV8518B by issuing a Watchdog signal. The active RESET circuit operates correctly at an output voltage as low as 1.0 V. The RESET function is activated during the power up sequence, during normal operation if the output voltage drops below the regulation limits or if the regulator does not receive a Watchdog signal within a Wakeup period. The Watchdog logic function monitors an input signal (WDI) from the microprocessor. The device responds to the falling edge of the Watchdog signal which it expects at least once during each Wakeup period. Enable is a standard TTL and CMOS logic compatible input that can be used to turn the regulator on or off. In the disabled/shutdown state, the pass transistor is off and total quiescent current is less than 1 µA. Also encompassed in this device are safety features such as thermal shutdown and short circuit protection, an important consideration in automotive environments. NCV8518B is pin for pin compatible with NCV8518A and can replace this device in any new design.
技术特性
- Output Voltage of 5.0 V
- ±2% Output Voltage Tolerance
- Output Current up to 250 mA
- Micropower Compatible Control Functions:
− ENABLE
− Watchdog
− RESET
− Wake Up
- NCV Prefix for Automotive and Other Applications Requiring Site
and Change Control
- Low Dropout Voltage
- Low Quiescent Current of 100 A
- Protection Features:
− Thermal Shutdown
− Short Circuit
- Low Sleep Mode Current less than 1.0 A
- AEC Qualified
- PPAP Capable
- These are Pb−Free Devices
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终端产品
应用
- Body and Chassis
- Instrument and Clusters
- Engine Control Unit
- Safety
- Tyre Pressure Monitor
封装图 PACKAGE DIMENSIONS
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订购信息 Ordering Information
| 产品 |
状况 |
Compliance |
具体说明 |
封装 |
MSL* |
容器 |
预算价格 (1千个数量的单价） |
| 类型 |
外形 |
类型 |
数量 |
| NCV8518BPDR2G |
Active |
| AEC Qualified |
| PPAP Capable |
| Pb-free |
|
250 mA LDO Linear Voltage Regulator with Watchdog, Wake Up, Reset , Delay and Enable, 5.0 V |
SOIC-8 EP |
751AC |
2 |
Tape and Reel |
2500 |
$1.32 |
| NCV8518BPWR2G |
Active |
| AEC Qualified |
| PPAP Capable |
| Pb-free |
| Halide free |
|
250 mA LDO Linear Voltage Regulator with Watchdog, Wake Up, Reset , Delay and Enable, 5.0 V |
SOIC-16W EP |
751AG |
1 |
Tape and Reel |
1000 |
$1.32 |
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