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
.
130
Quiescent Current (μA)
125
120
115
110
105
100
95
-45
V
OUT
= 0.8V
I
OUT
= 0 mA
0.045
Line Regulation (%/V)
0.040
I
OUT
= 1 mA
V
R
= 2.5V
V
IN
= 3.1 to 6.0V
0.035
0.030
0.025
0.020
0.015
I
OUT
= 1500 mA
I
OUT
= 100 mA
I
OUT
= 1000 mA
I
OUT
= 500 mA
V
OUT
= 2.5V
-20
5
30
55
80
105
130
-45
-20
5
30
55
80
105
130
Temperature (°C)
Temperature (°C)
FIGURE 2-13:
Temperature.
0.30
0.25
Ishdn (μA)
0.20
0.15
0.10
0.05
0.00
-45
-20
5
Quiescent Current vs.
FIGURE 2-16:
Line Regulation vs.
Temperature (2.5V Fixed).
V
R
= 0.8V
0.30
Load Regulation (%)
0.20
0.10
0.00
-0.10
-0.20
-0.30
-45
-20
5
30
55
80
I
OUT
= 1 mA to 1500 mA
V
OUT
= 0.8V
V
IN
= 2.3V
V
IN
= 6.0V
V
IN
= 4.0V
V
IN
= 2.3V
30
55
80
105
130
105
130
Temperature (°C)
Temperature (°C)
FIGURE 2-14:
I
SHDN
vs. Temperature.
FIGURE 2-17:
Load Regulation vs.
Temperature (V
OUT
< 2.5V Fixed).
0.00
-0.05
Load Regulation (%)
0.10
Line Regulation (%/V)
0.08
0.06
0.04
0.02
0.00
-45
-20
5
30
55
80
105
130
Temperature (°C)
I
OUT
= 1A
I
OUT
= 100 mA
I
OUT
= 500mA
V
OUT
= 0.8V
V
IN
= 2.3V to 6.0V
I
OUT
= 1 mA
I
OUT
= 1 mA to 1500 mA
V
OUT
= 2.5V
-0.10
-0.15
-0.20
-0.25
-0.30
-0.35
-0.40
-0.45
-45
V
OUT
= 5.0V
-20
5
30
55
80
105
130
Temperature (°C)
FIGURE 2-15:
Line Regulation vs.
Temperature (0.8V Fixed).
FIGURE 2-18:
Load Regulation vs.
Temperature (V
OUT
≥
2.5V Fixed).
DS21999B-page 10
©
2007 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
