Datasheet

MCP1725
DS22026B-page 8 © 2007 Microchip Technology Inc.
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, V
IN
= V
OUT
+ 0.5V or V
IN
= 2.3V (whichever is greater), I
OUT
= 1 mA, C
IN
= C
OUT
=
4.7 µF Ceramic (X7R), SHDN
= V
IN
, C
DELAY
= Open, Fixed Output Version, and T
A
= +25°C.
Note: Junction Temperature (T
J
) is approximated by soaking the device under test to an ambient temperature equal to
the desired junction temperature. The test time is small enough such that the rise in Junction Temperature over the
Ambient temperature is not significant.
FIGURE 2-1: Quiescent Current vs. Input
Voltage (1.8V Adjustable).
FIGURE 2-2: Ground Current vs. Load
Current (1.2V Adjustable).
FIGURE 2-3: Quiescent Current vs.
Junction Temperature (1.8V Adjustable).
FIGURE 2-4: Line Regulation vs.
Temperature (1.8V Adjustable).
FIGURE 2-5: Load Regulation vs.
Temperature (Adjustable Version).
FIGURE 2-6: Adjust Pin Voltage vs.
Temperature.
Note: The graphs and tables provided following this note are a statistical summary based on a limited number of samples and
are provided for informational purposes only. The performance characteristics listed herein are not tested or guaranteed.
In some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power
supply range) and therefore outside the warranted range.
80
90
100
110
120
130
140
150
23456
Input Voltage (V)
Quiescent Current (µA)
-45°C
0°C
+25°C
+90°C
+130°C
I
OUT
= 0 mA
120
130
140
150
160
170
180
190
200
210
0 100 200 300 400 500
Load Current (mA)
Ground Current (µA)
V
IN
= 5.0V
V
IN
= 3.3V
V
IN
= 2.5V
V
OUT
= 1.2V Adj
80
90
100
110
120
130
140
150
-45 -20 5 30 55 80 105 130
Temperature (°C)
Quiescent Current (µA)
V
IN
= 5.0V
V
IN
= 2.3V
V
IN
= 3.3V
V
IN
= 6.0V
I
OUT
= 0 mA
0.00
0.02
0.04
0.06
0.08
0.10
0.12
-45 -20 5 30 55 80 105 130
Temperature (°C)
Line Regulation (%/V)
I
OUT
= 1 mA
I
OUT
= 50 mA
I
OUT
= 250 mA
I
OUT
= 100 mA
I
OUT
= 500 mA
V
IN
= 2.3V to 6.0V
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0.18
0.20
-45 -20 5 30 55 80 105 130
Temperature (°C)
Load Regulation (%)
V
OUT
= 5V
V
OUT
= 3.3V
V
OUT
= 1.8V
V
OUT
= 0.8V
I
OUT
= 1.0 mA to 500 mA
0.408
0.409
0.410
0.411
0.412
-45 -20 5 30 55 80 105 130
Temperature (°C)
Adjust Pin Voltage (V)
V
IN
= 5.0V
V
IN
= 6.0V
V
IN
= 2.3V, 3.0V, 4.0V
I
OUT
= 1 mA