参数资料
型号: NCP500SQL33T1G
厂商: ON Semiconductor
文件页数: 14/18页
文件大小: 0K
描述: IC REG LDO 3.3V .15A 6-DFN
标准包装: 3,000
稳压器拓扑结构: 正,固定式
输出电压: 3.3V
输入电压: 最高 6V
电压 - 压降(标准): 0.15V @ 150mA
稳压器数量: 1
电流 - 输出: 150mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 6-VDFN 裸露焊盘
供应商设备封装: 6-DFN(2x2.2)
包装: 带卷 (TR)
其它名称: NCP500SQL33T1GOS
NCP500, NCV500
10
1
0.1
UNSTABLE
STABLE
C out = 1 m F to 10 m F
T A = 40 ? C to 125 ? C
V in = up to 6.0 V
0.01
0
25
50
75
100
125
150
I O, Output Current (mA)
Figure 29. Stability
Input
R
Q1
Output
1
5
1.0 m F
2
3
4
1.0 m F
Figure 30. Current Boost Regulator
The NCP500 series can be current boosted with a PNP transist-
or. Resistor R in conjunction with V BE of the PNP determines
when the pass transistor begins conducting; this circuit is not
short circuit proof. Input/Output differential voltage minimum is
increased by V BE of the pass resistor.
Input
R1
Q1
Q2
R2
R3
1.0 m F
1
2
3
5
4
Output
1.0 m F
Figure 31. Current Boost Regulator with Short
Circuit Limit
Short circuit current limit is essentially set by the V BE of Q2 and
R1. I SC = ((V BEQ2 ? ib * R2) / R1) + I O(max) Regulator
http://onsemi.com
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