Datasheet
MCP1790/MCP1791
DS22075B-page 8 © 2010 Microchip Technology Inc.
2.0 TYPICAL PERFORMANCE CHARACTERISTICS
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 kΩ 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.
FIGURE 2-1: Power Good Time Delay vs.
Temperature (MCP1791).
FIGURE 2-2: Quiescent Current vs. Input
Voltage.
FIGURE 2-3: Quiescent Current vs. Input
Voltage.
FIGURE 2-4: Quiescent Current vs.
Junction Temperature.
FIGURE 2-5: Ground Current vs. Load
Current.
FIGURE 2-6: I
SHDN
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.
0
10
20
30
40
50
-45-205 305580105130
Temperature (°C)
PWRGD Time Delay (µs)
V
OUT
= 5.0V
I
OUT
= 0 µA
V
IN
= 10V,15V,25V,30V
V
IN
= 6V
0
20
40
60
80
100
120
140
0 5 10 15 20 25 30 35
Input Voltage (V)
Quiescent Current (µA)
V
OUT
= 3.3V
I
OUT
= 0 µA
+25°C
+130°C
-45°C
0°C
+90°C
0
20
40
60
80
100
120
140
0 5 10 15 20 25 30 35
Input Voltage (V)
Quiescent Current (µA)
V
OUT
= 5.0V
I
OUT
= 0 µA
+25°C
+130°C
-45°C
0°C
+90°C
0.00
20.00
40.00
60.00
80.00
100.00
120.00
-45 -20 5 30 55 80 105 130
Junction Temperature (°C)
Quiescent Current (µA)
V
IN
= 6V
I
OUT
= 0µA
V
OUT
= 5.0V
V
OUT
= 3.3V
V
OUT
= 3.0V
0
20
40
60
80
100
120
140
0 10203040506070
Load Current (mA)
GND Current (µA)
V
OUT
= 5.0V
V
OUT
= 3.0V
V
OUT
= 3.3V
0
4
8
12
16
20
24
28
-45 -20 5 30 55 80 105 130
Temperature (°C)
I
SHDN
(µA)
V
IN
= 6.0V
V
IN
= 10V, 30V
V
REG
= 3.0V
V
SHDN
= 0V