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MCP1726 Datasheet(PDF) 10 Page - Microchip Technology

Part # MCP1726
Description  1A, Low Voltage, Low Quiescent Current LDO Regulator
PDF  30 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP1726 Datasheet(HTML) 10 Page - Microchip Technology

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MCP1726
DS21936B-page 10
© 2005 Microchip Technology Inc.
NOTE: Unless otherwise indicated, VIN = VOUT + 0.5V, IOUT = 1 mA and TA = +25°C.
FIGURE 2-19:
Dropout Voltage vs. Load
Current.
FIGURE 2-20:
Dropout Voltage vs.
Temperature.
FIGURE 2-21:
Short Circuit Current vs.
Input Voltage.
FIGURE 2-22:
Output Noise Voltage
Density vs. Frequency.
FIGURE 2-23:
Power Supply Ripple
Rejection (PSRR) vs. Frequency (VOUT = 1.2V
Adj.).
FIGURE 2-24:
Power Supply Ripple
Rejection (PSRR) vs. Frequency (VOUT = 1.2V
Adj.).
0
25
50
75
100
125
150
175
200
225
250
0
200
400
600
800
1000
Load Current (mA)
VOUT =5.0V
VOUT =2.5V
180
190
200
210
220
230
240
250
260
270
Temperature (°C)
VOUT =5.0V
VOUT =2.5V
VOUT =3.3V
IOUT = 1A
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
2.32.6 2.9 3.2 3.53.8 4.14.4 4.75.0 5.35.6 5.9
Input Voltage (V)
VOUT =1.2V (Fixed)
0.01
0.1
1
10
0.01
0.1
1
10
100
1000
Frequency (kHz)
VOUT =2.5V (Adj)
IOUT = 200 mA
VOUT =0.8V (Fixed)
IOUT = 100 mA
COUT =1 µF
CIN = 10 µF
0
10
20
30
40
50
60
70
80
0.01
0.1
1
10
100
1000
Frequency (kHz)
COUT =10 µF
CIN = 0 µF
IOUT = 100 mA
VOUT = 1.2V
VIN = 2.5V
0
10
20
30
40
50
60
70
80
90
0.01
0.1
1
10
100
1000
Frequency (kHz)
COUT =22 µF
CIN = 0 µF
IOUT = 100 mA
VOUT = 1.2V
VIN = 2.5V



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