參數(shù)資料
型號: MCP18480
廠商: Microchip Technology Inc.
元件分類: 基準電壓源/電流源
英文描述: -48V Hot Swap Controller
中文描述: - 48V熱插拔控制器
文件頁數(shù): 24/64頁
文件大小: 871K
代理商: MCP18480
MCP18480
DS20091B-page 24
2003 Microchip Technology Inc.
FIGURE 2-19:
Current (I
POS
).
R
DISCH
Current vs. Supply
FIGURE 2-20:
Current.
R
DISCH
Voltage vs. R
DISCH
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 μA
R
DISCH
= 16 M
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)
820
830
840
850
860
870
5
10
15
20
25
Supply Current, I
POS
(mA)
R
D
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
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 μA
I
RDISCH
from 100 nA to 10 μA (500 nA steps)
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)
1.250
1.260
1.270
1.280
1.290
1.300
1.310
0
5
10
15
20
25
30
35
40
45
50
R
DISCH
Current (uA)
R
D
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
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