MCP1726 데이터 시트보기 (PDF) - Microchip Technology
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MCP1726 Datasheet PDF : 30 Pages
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MCP1726
NOTE: Unless otherwise indicated, VIN = VOUT + 0.5V, IOUT = 1 mA and TA = +25°C.
250
225
200
175
150
125
100
75
50
25
0
0
VOUT =5.0V
VOUT =2.5V
200
400
600
800
Load Current (mA)
1000
FIGURE 2-19:
Current.
Dropout Voltage vs. Load
10
1
VOUT =0.8V (Fixed)
IOUT = 100 mA
0.1
VOUT =2.5V (Adj)
IOUT = 200 mA
0.01
COUT =1 µF
CIN = 10 µF
0.01
0.1
1
10
100
Frequency (kHz)
1000
FIGURE 2-22:
Output Noise Voltage
Density vs. Frequency.
270
260 IOUT = 1A
250
240
VOUT =5.0V
230
220
VOUT =3.3V
210
200
190
VOUT =2.5V
180
FIGURE 2-20:
Temperature.
Temperature (°C)
Dropout Voltage vs.
80
70
60
50
40
30
20 COUT =10 µF
10
CIN = 0 µF
IOUT = 100 mA
0
0.01
0.1
1
10
Frequency (kHz)
VOUT = 1.2V
VIN = 2.5V
100
1000
FIGURE 2-23:
Power Supply Ripple
Rejection (PSRR) vs. Frequency (VOUT = 1.2V
Adj.).
1.7
1.6
1.5
1.4
1.3
1.2
1.1
VOUT =1.2V (Fixed)
1.0
2.3 2.6 2.9 3.2 3.5 3.8 4.1 4.4 4.7 5.0 5.3 5.6 5.9
Input Voltage (V)
FIGURE 2-21:
Input Voltage.
Short Circuit Current vs.
90
80
70
60
50
40
30
20 COUT =22 µF
10
CIN = 0 µF
IOUT = 100 mA
0
0.01
0.1
1
10
Frequency (kHz)
VOUT = 1.2V
VIN = 2.5V
100
1000
FIGURE 2-24:
Power Supply Ripple
Rejection (PSRR) vs. Frequency (VOUT = 1.2V
Adj.).
DS21936C-page 10
© 2007 Microchip Technology Inc.
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