Datasheet

MIC2288
DS20006034B-page 6  2018 Microchip Technology Inc.
2.0 TYPICAL PERFORMANCE CURVES
FIGURE 2-1: Efficiency at V
OUT
= 12V.
FIGURE 2-2: Load Regulation.
FIGURE 2-3: Feedback Voltage vs.
Temperature.
FIGURE 2-4: Current-Limit vs. Supply
Voltage.
FIGURE 2-5: Current-Limit vs.
Temperature.
FIGURE 2-6: Switch Saturation vs. Supply
Voltage.
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.
75
77
79
81
83
85
87
89
91
0 25 50 75 100 125 150
EFFICIENCY (%)
OUTPUT CURRENT (mA)
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 3.3V
11.8
11.85
11.9
11.95
12
12.05
12.1
12.15
12.2
0 25 50 75 100 125 150
OUTPUT VOLTAGE (V)
LOAD (mA)
V
IN
=
3.6V
1.10
1.12
1.14
1.16
1.18
1.20
1.22
1.24
1.26
1.28
1.30
-40 -20 0 20 40 60 80 100 120
FEEDBACK VOLTAGE (V)
TEMPERATURE (°C)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2.5 4 5.5 7 8.5 10
CURRENT LIMIT (A)
SUPPLY VOLTAGE (V)
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
-40 -20 0 20 40 60 80 100 120
CURRENT LIMIT (A)
TEMPERATURE (°C)
0
50
100
150
200
250
300
2.5 4 5.5 7 8.5 10
SWITCH SATURATION VOLTAGE (mV)
SUPPLY VOLTAGE (V)
I
SW
= 500mA