参数资料
型号: NCV87721D5S50R4G
厂商: ON Semiconductor
文件页数: 2/17页
文件大小: 0K
描述: IC REG LDO 5V .35A D2PAK5
标准包装: 800
稳压器拓扑结构: 正,固定式
输出电压: 5V
输入电压: 5.5 V ~ 40 V
电压 - 压降(标准): 0.44V @ 350mA
稳压器数量: 1
电流 - 输出: 350mA
电流 - 限制(最小): 400mA
工作温度: -40°C ~ 150°C
安装类型: 表面贴装
封装/外壳: TO-263-6,D²Pak(5 引线+接片),TO-263BA
供应商设备封装: D2PAK-5
包装: 带卷 (TR)
NCV8772
V in
Thermal
*
V out
Shutdown
Driver
With
RO
Current
Erorr Amplifier
Reset Comparator
Reset Driver
Limit
EN
Enable
GND
Reference
Oscillator
Timing
Circuit
***
DT**
* 5 V OPTION ONLY
* * D2PAK ? 7 ONLY
* ** Pull ? Down Resistor (typ 150 k W ) active only in Reset State
Figure 2. Simplified Block Diagram
PIN CONNECTIONS
PIN
Tab,
1. V in
2. RO
3. GND
4. EN
PIN
Tab,
1. V in
2. RO
3. GND
4. EN
PIN
Tab,
1. V in
2. RO
3. NC
4. GND
1
DPAK ? 5
5. V out
1
D 2 PAK ? 5
5. V out
1
D 2 PAK ? 7
5. EN
6. DT
7. V out
Figure 3. Pin Connections
PIN FUNCTION DESCRIPTION
Pin No.
DPAK ? 5
D2PAK ? 5
1
2
?
3, TAB
4
?
5
Pin No.
D2PAK ? 7
1
2
3
4, TAB
5
6
7
Pin Name
V in
RO
NC
GND
EN
DT
V out
Description
Positive Power Supply Input. Connect 0.1 m F capacitor to ground.
Reset Output. 30 k W internal Pull ? up resistor connected to V out . RO goes Low when V out
drops by more than 7% (typ) from its nominal value (for NCV8772y devices with y = 1,2,3,...)
or more than 10% (typ) from its nominal value (for NCV8772y devices with y = A, B, C,...).
Not Connected
Power Supply Ground.
Enable Input. Low level disables the IC.
Reset Delay Time Select. Short to GND or connected to V out to select time.
Regulated Output Voltage. Connect 1 m F capacitor with ESR < 100 W to ground.
http://onsemi.com
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