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參數資料
| 型號： | MC33263NW-40R2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Ultra Low Noise 150 mA Low Dropout Voltage Regulator with ON/OFF Control |
| 中文描述： | 4 V FIXED POSITIVE LDO REGULATOR, 0.26 V DROPOUT, PDSO6 |
| 封裝： | SOT-23L, 6 PIN |
| 文件頁數： | 10/12頁 |
| 文件大?。?/td> | 269K |
| 代理商： | MC33263NW-40R2 |
MC33263
http://onsemi.com
10
R
0
70
BYPASS CAPACITOR (nF)
BYPASS CAPACITOR (nF)
FREQUENCY (Hz)
Figure 15. Noise Density versus Bypass
Capacitor
Figure 16. RMS Noise versus Bypass Capacitor
(100 Hz – 100 kHz)
Figure 17. Output Voltage Settling Time versus
Bypass Capacitor
Figure 18. Output Voltage Settling Shape
Cbypass = 10 nF
2.0
3.0
4.0
5.0
50
40
30
20
0
10
1.0
60
10
Vin = 3.8 V
Vout = 2.8 V
CO = 1.0 F
Iout = 60 mA
Tamb = 25
°
C
Vin = 3.8 V
Vout = 2.8 V
CO = 1.0 F
Iout = 60 mA
Tamb = 25
°
C
Vin = 3.8 V
Vout = 2.8 V
Cout = 1.0 F
Iout = 50 mA
Tamb = 25
°
C
Figure 19. Output Voltage Settling Shape
Cbypass = 3.3 nF
Figure 20. Output Voltage Settling Shape without
Bypass Capacitor
6.0
7.0
8.0
9.0
0
1200
S
1.0
2.0
3.0
4.0
6.0
10
1000
800
600
400
0
200
5.0
7.0
9.0
8.0
200 s/div
500 mV/div
Cbyp = 10 nF
n
100
350
1000
10,000
250
200
150
100
0
1,000,000
300
50
100,000
Vin = 3.8 V
Vout = 2.8 V
CO = 1.0 F
Iout = 60 mA
Tamb = 23
°
C
Cbyp = 10 nF
3.3 nF
0 nF
Vin = 3.8 V
Vout = 2.8 V
Cout = 1.0 F
Iout = 50 mA
Tamb = 25
°
C
100 s/div
500 mV/div
Cbyp = 3.3 nF
Vin = 3.8 V
Vout = 2.8 V
Cout = 1.0 F
Iout = 50 mA
Tamb = 25
°
C
10 s/div
500 mV/div
Cbyp = 0 nF
TYPICAL PERFORMANCE CHARACTERISTICS
Noise Performances
Settling Time Performances
Vn = 65 Vrms @ Cbypass = 0
Vn = 30 Vrms @ Cbypass = 3.3 nF
Vn = 25 Vrms @ Cbypass = 10 nF
over 100 Hz to 100 kHz
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