MCP1727
NOTE: Unless otherwise indicated VOUT = 1.8V (Adjustable), VIN = 2.8V, COUT = 4.7 µF Ceramic (X7R), CIN = 4.7 µF
Ceramic (X7R), IOUT = 1 mA, Temperature = +25°C, VIN = VOUT + 0.6V, RPWRGD = 10 kΩ To VIN.
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
150
140
130
120
110
100
90
VOUT = 5.0V Adj
VOUT = 0.8V
IOUT = 0 mA
+130°C
+85°C
+25°C
-45°C
VOUT = 2.5V Adj
80
2
3
4
5
6
0
250
500
750
1000 1250 1500
Input Voltage (V)
Load Current (mA)
FIGURE 2-7:
Dropout Voltage vs. Load
FIGURE 2-10:
Quiescent Current vs. Input
Current (Adjustable Version).
Voltage (0.8V Fixed).
0.42
150
IOUT = 1.5A
VOUT = 2.5V
140 IOUT = 0 mA
0.40
0.38
+130°C
+90°C
+25°C
130
120
110
100
90
VOUT = 5.0V Adj
0.36
0.34
0.32
0.30
VOUT = 3.3V Adj
-45°C
VOUT = 2.5V Adj
80
3
3.5
4
4.5
5
5.5
6
-45
-20
5
30
55
80
105 130
Input Voltage (V)
Temperature (°C)
FIGURE 2-8:
Dropout Voltage vs.
FIGURE 2-11:
Quiescent Current vs. Input
Temperature (Adjustable Version).
Voltage (2.5V Fixed).
32
250.00
200.00
150.00
100.00
50.00
CDELAY = 0.01 μF
31
30
29
28
27
26
25
VOUT = 1.8V Adj
VIN = 2.4V
VIN = 5.0V
VOUT=0.8V
VOUT=2.5V
VIN = 2.3V for VR=0.8V
VIN = 3.1V for VR=2.5V
VIN = 3.3V
55
0.00
-45
-20
5
30
80
105
130
0
250
500
750
1000 1250 1500
Temperature (°C)
Load Current (mA)
FIGURE 2-9:
Power Good (PWRGD)
FIGURE 2-12:
Ground Current vs. Load
Time Delay vs. Temperature.
Current.
© 2007 Microchip Technology Inc.
DS21999B-page 9
MICROCHIP [ MICROCHIP ]
