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): 23/64頁
文件大?。?/td> 871K
代理商: MCP18480
2003 Microchip Technology Inc.
DS20091B-page 23
MCP18480
FIGURE 2-16:
Current.
UV
D
Pin Current vs. I
SET
Pin
FIGURE 2-17:
Pin Voltage.
I
SET
Pin Voltage vs. V
REFIN
FIGURE 2-18:
vs. Supply current (I
POS
).
DRAIN
TH
Threshold Voltage
Data taken with the minimum following conditions:
-50 μA < I
ISET
< 50 μA (I
ISET
0)
I
POS
= 5 mA
(Enables V
POS
at its self-regulating voltage)
V
REFIN
= 2.5V
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)
-60
-50
-40
-30
-20
-10
0
-50 -40 -30 -20 -10
0
10
20
30
40
50
I
SET
Pin Current (μA)
U
D
T
A
= -40°C
T
A
= +70°C
T
A
= +25°C
T
A
= 0°C
T
A
= +85°C
Data taken with the minimum following conditions:
I
POS
= 5 mA
(Enables V
POS
at its self-regulating voltage)
Iset = 10 μA
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
2.00
2.10
2.20
2.30
2.40
2.50
2.60
V
REFIN
Pin Voltage (V)
I
S
T
A
= -40°C
T
A
= +70°C
T
A
= +25°C
T
A
= +85°C
T
A
= 0°C
Data taken with the minimum following conditions:
3 mA
I
POS
30 mA
V
REFIN
= 2.5V, I
SET
= 10 μA
Determined by PWRGOOD signal
Note 1:
V
UVTH
> V
VREFIN
V
OVTH
< V
VREFIN
V
SENSE
= V
VNEG
V
VFB
= V
VNEG
V
OVO
= V
VNEG
V
CL
= V
VREFIN
V
ENABLE
= 5V (open)
V
RESTART
= V
VNEG
(open)
105
106
107
108
109
110
111
112
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
Supply Current, I
POS
(mA)
D
T
T
A
= -40°C
T
A
= +70°C
T
A
= +25°C
T
A
= 0°C
T
A
= +85°C
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