Datasheet

TC1240/TC1240A
DS21516D-page 4  2001-2012 Microchip Technology Inc.
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, typical values apply at T
A
= +25°C.
FIGURE 2-1: Supply Current vs. Supply
Voltage (No Load).
FIGURE 2-2: Output Source Resistance
vs. Supply Voltage (with R
LOAD
= 1 k)
FIGURE 2-3: Output Voltage Drop vs.
Load Current.
FIGURE 2-4: Supply Current vs.
Temperature (No Load).
FIGURE 2-5: Output Source Resistance
vs. Temperature (with R
LOAD
= 1 k
FIGURE 2-6: Power Efficiency vs. Load
Current.
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.
700
600
500
400
300
200
100
0
2.00 3.00 4.00 5.00 6.00
SUPPLY CURRENT (μA)
SUPPLY VOLTAGE (V)
2.00 3.00 4.00 5.00 6.00
SUPPLY VOLTAGE (V)
20
15
10
5
0
OUTPUT SOURCE RESISTANCE (Ω)
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
VOLT DROP (V)
0 5 10 15 20 25 30 35 40 45 50
LOAD CURRENT (mA)
V
IN
= 4.0V
V
IN
= 2.8V
450
400
350
300
250
200
100
0
150
50
-50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
SUPPLY CURRENT (μA)
V
IN
= 4.0V
V
IN
= 2.8V
25
20
15
10
5
0
-50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
V
IN
= 2.8V
OUTPUT SOURCE RESISTANCE (Ω)
V
IN
= 4.0V
100%
90%
80%
70%
60%
50%
40%
0 5 10 15 20 25 30 35 40 45 50
POWER EFFICIENCY (%)
LOAD CURRENT (mA)
30%
20%
10%
0%
V
IN
= 2.5V
V
IN
= 3.5V
V
IN
= 4.5V