2012 Microchip Technology Inc.
DS22299B-page 12
MCP2050
FIGURE 1-9:
5.0V VREG VS. IREG AT
VBB = 12V
FIGURE 1-10:
3.3V VREG VS. IREG AT
VBB = 12V
FIGURE 1-11:
VOLTAGE REGULATOR OUTPUT ON POWER-ON RESET
2
3
4
5
6
40 C
25C
90C
V
RE
G
(V)
0
1
2
3
4
5
6
0
100
200
300
40 C
25C
90C
125C
IREG (mV)
V
RE
G
(V)
A
3.5
2.5
3
3.5
V
)
15
2
2.5
3
3.5
40C
V
REG
(V)
1
1.5
2
2.5
3
3.5
40C
25C
90 C
V
REG
(V)
0.5
1
1.5
2
2.5
3
3.5
40C
25C
90C
125C
V
REG
(V)
0
0.5
1
1.5
2
2.5
3
3.5
0
100
200
300
40C
25C
90C
125C
V
REG
(V)
IREG (mV)
0
0.5
1
1.5
2
2.5
3
3.5
0
100
200
300
40C
25C
90C
125C
V
REG
(V)
IREG (mV)
A
Note 1: Start-up, VBB < VON, regulator off.
2: VBB > VON, regulator on.
3: VBB
4: VBB < VOFF, regulator will turn off.
5
3
2
0
(1)
(2)
(3)
t
0
t
6
2
8
4
VBB
V
VREG
V
1
4
VON
VOFF
Minimum VBB to maintain regulation
VREG-NOM
minimum VBB to maintain regulation.
(4)