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