参数资料
型号: LP2950ACZ-5.0RA
厂商: ON Semiconductor
文件页数: 8/22页
文件大小: 0K
描述: IC REG LDO 5V .1A TO-92
产品变化通告: Product Discontinuation 27/Jun/2007
标准包装: 2,000
稳压器拓扑结构: 正,固定式
输出电压: 5V
输入电压: 最高 30V
电压 - 压降(标准): 0.35V @ 100mA
稳压器数量: 1
电流 - 输出: 100mA
工作温度: -40°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-226-3、TO-92-3(TO-226AA)成形引线
供应商设备封装: TO-92-3
包装: 带卷 (TR)
LP2950, LP2951, NCV2951
200
80
150
100
C L = 1.0 m F
V out = 5.0 V
I L = 400 m A to 75 mA
T A = 25 ? C
V out
400
200
0
60
40
I L = 0.1 mA
50
0
I Load
- 200
- 400
20
T A = 25 ? C
C L = 1.0 m F
V in = 6.0 V
V out = 5.0 V
- 50
0
0.5
1
1.5
2
2.5
3
3.5
4
0
1.0
10
100
1.0 k
10 k
100 k
t, TIME (ms)
Figure 12. Load Transient Response
f, FREQUENCY (Hz)
Figure 13. Ripple Rejection
4.0
3.0
C L = 1.0 m F
I L = 100 mA
T A = 25 ? C
V O = 5.0 V
LP2951C
1.8
1.6
1.4
2.0
1.0
C L = 100 m F
1.2
1.0
Output “On"
Output “Off"
0
100
1.0 k
10 k
100 k
0.8
- 40 - 20
0
20
40
60
80
100
120
140
160
f, FREQUENCY (Hz)
Figure 14. Output Noise
t, TEMPERATURE ( ? C)
Figure 15. Shutdown Threshold Voltage
versus Temperature
100
4.0
10000
V out = 5 V
80
T A = 75 ? C
T A = 25 ? C
2.0
1000
100
Unstable Region
100 m F
60
0
40
- 2.0
10
1
Stable Region
Unstable Region for 0.1 m F capacitor only
0.1 m F
20
0
0
LP2951CN
5.0
10
15
20
25
30
35
- 4.0
- 6.0
40
0.1
0.01
0
Lower unstable region is for 0.1 m F only.
1 m F and 100 m F show no instability with low ESR values.
10 20 30 40 50 60 70 80
90
100
V in , INPUT VOLTAGE (V)
Figure 16. Maximum Rated
Output Current
Output Current (mA)
Figure 17. Output Stability versus Output Capacitor
Change
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