Datasheet

© 2008 Microchip Technology Inc. DS22063B-page 9
MCP1631/HV/MCP1631V/VHV
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise noted, V
IN
= 3.0V to 5.5V, F
OSC
= 1 MHz with 10% Duty Cycle, C
IN
= 0.1 µF, V
IN
for typical values = 5.0V, T
A
for typical values = +25°C.
FIGURE 2-1: Undervoltage Lockout vs.
Temperature.
FIGURE 2-2: Undervoltage Lockout
Hysteresis vs. Temperature.
FIGURE 2-3: Input Quiescent Current vs.
Temperature.
FIGURE 2-4: Shutdown Current vs.
Temperature (MCP1631/MCP1631V).
FIGURE 2-5: Oscillator Input Threshold
vs. Temperature.
FIGURE 2-6: Oscillator Disable Input
Threshold 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.
2.8
2.81
2.82
2.83
2.84
2.85
2.86
2.87
2.88
2.89
-40 -25 -10
5
20 35 50 65 80 95
110 125
Ambient Temperature (°C)
Undervoltage Lockout (V)
Device Turn On
Device Turn Off
0.061
0.062
0.063
0.064
0.065
0.066
0.067
0.068
-40 -25 -10
5
20 35 50 65 80 95
110 125
Ambient Temperature (°C)
UVLO Hyst (V)
2.80
3.00
3.20
3.40
3.60
3.80
4.00
-40 -25 -10
5
20 35 50 65 80 95
110 125
Ambient Temperature (°C)
Input Quiescent Current (mA)
V
DD
= +3.0V
V
DD
= +3.3V
V
DD
= +4.0V
V
DD
= +5.0V
V
DD
= +5.5V
1.00
1.30
1.60
1.90
2.20
2.50
2.80
3.10
3.40
3.70
4.00
-40 -25 -10
5
20 35 50 65 80 95
110 125
Ambient Temperature (°C)
Shutdown Current (µA)
V
DD
= +3.0V
V
DD
= +3.3V
V
DD
= +4.0V
V
DD
= +5.0V
V
DD
= +5.5V
1.00
1.10
1.20
1.30
1.40
1.50
1.60
-40 -25 -10
5
20 35 50 65 80 95
110 125
Ambient Temperature (°C)
OSC_IN Input Threshold (V)
V
DD
= +3.0V
V
DD
= +3.3V
V
DD
= +4.0V
V
DD
= +5.0V
V
DD
= +5.5V
0.80
0.90
1.00
1.10
1.20
1.30
1.40
1.50
1.60
1.70
-40 -25 -10
5
20 35 50 65 80 95
110 125
Ambient Temperature (°C)
OSC_DIS Input Threshold
Voltage (V)
V
DD
= +3.0V
V
DD
= +3.3V
V
DD
= +4.0V
V
DD
= +5.0V
V
DD
= +5.5V