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MCP1790/MCP1791
2.0
Note:
TYPICAL PERFORMANCE CHARACTERISTICS
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.
Note: Unless otherwise indicated, C OUT = 4.7 uF Ceramic (X7R), C IN = 10.0 μF Ceramic (X7R), I OUT = 1 mA, Temperature = +25°C,
V IN = 6.0V, R PWRGD_PULLUP = 10 k Ω To V OUT , V SHDN = V IN, and device is MCP1790.
Note: Junction Temperature (TJ) 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.
50
40
30
V IN = 6V
V OUT = 5.0V
I OUT = 0 μA
V IN = 10V,15V,25V,30V
120.00
100.00
80.00
60.00
V OUT = 3.3V
V IN = 6V
I OUT = 0μA
V OUT = 3.0V
20
10
0
40.00
20.00
0.00
V OUT = 5.0V
-45
-20
5
30
55
80
105
130
-45
-20
5
30
55
80
105
130
Temperature (°C)
Junction Temperature (°C)
FIGURE 2-1:
Power Good Time Delay vs.
FIGURE 2-4:
Quiescent Current vs.
Temperature (MCP1791).
Junction Temperature.
140
120
V OUT = 3.3V
I OUT = 0 μA
140
120
V OUT = 3.3V
100
80
60
+130°C
+90°C
+25°C
0°C
-45°C
100
80
60
V OUT = 5.0V
V OUT = 3.0V
40
20
0
40
20
0
0
5
10
15
20
25
30
35
0
10
20
30
40
50
60
70
Input Voltage (V)
Load Current (mA)
FIGURE 2-2:
Voltage.
140
120
100
+130°C
Quiescent Current vs. Input
V OUT = 5.0V
I OUT = 0 μA
FIGURE 2-5:
Current.
28
24
20
Ground Current vs. Load
V REG = 3.0V
V SHDN = 0V
80
60
40
20
0
+90°C
+25°C
0°C
-45°C
16
12
8
4
0
V IN = 10V, 30V
V IN = 6.0V
0
5
10
15
20
25
30
35
-45
-20
5
30
55
80
105
130
Input Voltage (V)
Temperature (°C)
FIGURE 2-3:
Voltage.
DS22075B-page 8
Quiescent Current vs. Input
FIGURE 2-6:
I SHDN vs Temperature.
? 2010 Microchip Technology Inc.
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