?2003 Microchip Technology Inc.
DS20091B-page 29
MCP18480
FIGURE 2-28:
UV
D
Current vs. Supply
Current (IPOS).
FIGURE 2-29:
UV
HYS
Pin Impedance vs.
Temperature.
Data taken with the minimum following conditions:
I
POS
= 5 mA
(Enables V
POS
at its self regulating voltage)
V
REFIN
= 2.5V, I
SET
= 10 礎
Note 1:
V
UVTH
< V
VREFIN
V
OVTH
< V
VREFIN
V
SENSE
= V
VNEG
V
VFB
= V
VNEG
V
DRAINTH
= V
VNEG
V
OVO
= V
VNEG
V
CL
= V
VREFIN
V
ENABLE
= 5V (open)
V
RESTART
= V
VNEG
(open)
-10.15
-10.10
-10.05
-10.00
-9.95
-9.90
5
10
15
20
25
30
Supply Current, I
POS
(mA)
T
A
= -40癈
T
A
= +70癈
T
A
= +25癈
T
A
= 0癈
T
A
= +85癈
Data taken with the minimum following conditions:
I
POS
= 5 mA
(Enables V
POS
at its self-regulating voltage)
V
REFIN
= 2.5V, I
SET
= 10 礎
Note 1:
V
UVTH
< V
VREFIN
V
OVTH
< V
VREFIN
V
SENSE
= V
VNEG
V
VFB
= V
VNEG
V
DRAINTH
= V
VNEG
V
OVO
= V
VNEG
V
CL
= V
VREFIN
V
ENABLE
= 5V (open)
V
RESTART
= V
VNEG
(open)
Data taken with the minimum following conditions:
I
POS
= 5 mA
(Enables V
POS
at its self-regulating voltage)
UV
TH
< V
REFIN
, UV
TH
> V
REFIN
V
REFIN
= 2.5V, I
SET
= 10 礎
Note 1:
V
OVTH
< V
VREFIN
V
SENSE
= V
VNEG
V
VFB
= V
VNEG
V
DRAINTH
= V
VNEG
V
OVO
= V
VNEG
V
CL
= V
VREFIN
V
ENABLE
= 5V (open)
V
RESTART
= V
VNEG
(open)
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
-40 -20
0
20
40
60
80
Temperature (癈)
ON
OFF
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