参数资料
| 型号： | NCV571SN12T1G |
| 厂商： | ON Semiconductor |
| 文件页数： | 7/11页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1.2V .15A 5TSOP |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1.2V |
| 输入电压： | 最高 12V |
| 电压 - 压降（标准）： | 0.35V @ 10mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 150mA（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-TSOP（0.059"，1.50mm 宽）5 引线 |
| 供应商设备封装： | 5-TSOP |
| 包装： | 标准包装 |
| 其它名称： | NCV571SN12T1GOSDKR |
NCP571, NCV571
APPLICATIONS INFORMATION
A typical application circuit for the NCP571 series is
shown in Figure 2.
Input Decoupling (C1)
A 0.1 m F capacitor either ceramic or tantalum is
recommended and should be connected close to the NCP571
package. Higher values and lower ESR will improve the
overall line transient response.
Output Decoupling (C2)
The NCP571 is a stable Regulator and does not require
any specific Equivalent Series Resistance (ESR) or a
minimum output current. Capacitors exhibiting ESRs
ranging from a few m W up to 3.0 W can thus safely be used.
The minimum decoupling value is 0.1 m F and can be
augmented to fulfill stringent load transient requirements.
The regulator accepts ceramic chip capacitors as well as
tantalum devices. Larger output capacitors can be used
without fear of instabilities. Larger values improve noise
rejection and load regulation transient response.
Enable Operation
The enable pin will turn on or off the regulator. These
limits of threshold are covered in the electrical specification
section of this data sheet. If the enable is not used then the
pin should be connected to V in . It is not recommended to
leave this pin on air. In case the voltage of Enable signal is
higher then Input voltage of NCP571 device it is necessary
add an resistor divider in order to keep voltage at Enable pin
bellow Input voltage. A single gate device of VHC family
could be used for this logic level translation. The NL17SZ06
device could be chosen for non inverting open ? drain buffer
as shown in Figure 19. Other possibility is using NL17SZ16
device as shown in Figure 20. More information is
mentioned in Application Note AND8101/D.
NCP571
V in
V in
V out
V out
NC
GND
C 1
0.1 m F
GND
Enable
C 2
0.1 m F
GND
3.3 V
3.3 V
0V
Enable
NL17SZ06
Figure 19.
http://onsemi.com
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