Datasheet

MCP1650/51/52/53
DS21876B-page 10  2004-2013 Microchip Technology Inc.
Note: Unless otherwise indicated, V
IN
= 3.3V, VOUT = 12V, C
IN
= 10 µF (x5R or X7R Ceramic), C
OUT
= 10 µF (X5R or X7R),
I
OUT
= 10 mA, L = 3.3 µH, SHDN > V
IH
, T
A
= +25°C.
FIGURE 2-19: Output Voltage vs. Output
Current (Load Regulation).
FIGURE 2-20: Output Voltage Ripple vs.
Input Voltage.
FIGURE 2-21: LBI Threshold Voltage vs.
Input Voltage.
FIGURE 2-22: LBI Hysteresis Voltage vs.
Input Voltage.
FIGURE 2-23: LBO Output Voltage vs.
LBO
Sink Current.
FIGURE 2-24: L
BO Output Timing.
12.10
12.11
12.12
12.13
12.14
12.15
12.16
12.17
10 20 30 40 50 60 70 80 90 100
Output Current (mA)
Output Voltage (V)
V
IN
= 3.3V
T
A
= +25°C
V
IN
= 4.3V
0.10
0.12
0.14
0.16
0.18
0.20
0.22
0.24
0.26
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6.0
Input Voltage (V)
V
OUT
Ripple
PK-PK
(V)
I
OUT
= 100mA
T
A
= +25°C
1.205
1.210
1.215
1.220
1.225
1.230
2 2.5 3 3.5 4 4.5 5 5.5 6
Input Voltage (V)
LBI Threshold Voltage (V)
T
J
= - 40°C
T
J
= +25°C
T
J
= +125°C
120
121
122
123
124
125
126
127
128
129
22.533.544.555.56
Input Votlage (V)
LBI Hysteresis Voltage (mV)
T
J
= - 40°C
T
J
= +25°C
T
J
= +125°C
0
50
100
150
200
250
0246810
LBO Sink Current (mA)
LBO Output Voltage (mV)
T
J
= - 40°C
T
J
= +25°C
T
J
= +125°C