TC2054 查看數據表（PDF） - Microchip Technology
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TC2054 Datasheet PDF : 22 Pages
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TC2054/2055/2186
2.0 TYPICAL PERFORMANCE CURVES
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
Note: Unless otherwise indicated, VIN = VR + 1V, IL = 100 µA, COUT = 3.3 µF, SHDN > VIH, TA = +25°C.
0
-20
VINDC = 4V
VINAC = 100 mVp-p
VOUTDC = 3V
-40
IOUT = 100 µA
COUT = 1 µF Ceramic
-60
-80
-100
1100
11000
11,000000 110,00k00 1100,00k00 1,0010M,000
f (Hz)
FIGURE 2-1:
Ratio.
Power Supply Rejection
0
-20
VINDC = 4V
VINAC = 100 mVp-p
VOUTDC = 3V
-40
-60
-80
-100
100
IOUT = 150 mA
COUT = 10 µF Ceramic
11000
11,0000 110,00k00 11000,00k00 1,0100M,000
f (Hz)
FIGURE 2-4:
Ratio.
Power Supply Rejection
0
-20
VINDC = 4V
VINAC = 100 mVp-p
VOUTDC = 3V
-40
-60
-80
-100
100
IOUT = 150 mA
COUT = 1 µF Ceramic
11000
110,0000 101,00k00 1100,00k00 1,0100M,000
f (Hz)
FIGURE 2-2:
Ratio.
Power Supply Rejection
10
1
COUT = 1 µF
0.1
0.01
0.001
0.01
0.1
1
10
100
Frequency (kHz)
1000
FIGURE 2-3:
Output Noise vs. Frequency.
0
-20
VINDC = 4V
VINAC = 100 mVp-p
VOUTDC = 3V
-40
-60
-80
-100
1100
IOUT = 150 mA
COUT = 10 µF Tantalum
11000
1,00000 110,00k00 110000,0k00 1,0100M,000
f (Hz)
FIGURE 2-5:
Ratio.
Power Supply Rejection
0.160
0.140
VOUT = 1.8V
0.120
0.100
0.080
0.060
0.040
0.020
0.000
0
FIGURE 2-6:
T = 130°C
T = 25°C
T = -45°C
50
100
150
ILOAD (mA)
Dropout Voltage vs. ILOAD.
© 2009 Microchip Technology Inc.
DS21663D-page 5
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