參數(shù)資料
型號(hào): MCP18480
廠(chǎng)商: Microchip Technology Inc.
元件分類(lèi): 基準(zhǔn)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(yè)數(shù): 28/64頁(yè)
文件大?。?/td> 871K
代理商: MCP18480
MCP18480
DS20091B-page 28
2003 Microchip Technology Inc.
FIGURE 2-26:
vs. OVO Voltage.
OV
TH
Input Rising Threshold
FIGURE 2-27:
Threshold vs. OVO Voltage.
OV
TH
Input Falling
Data taken with the minimum following conditions:
I
POS
= 5 mA
(Enables V
POS
at its self-regulating voltage)
OVO = V
NEG
to 8V
V
REFIN
= 2.5V, I
SET
= 10 μA
Use PWRGOOD pin as indicator
Note 1:
V
UVTH
> V
VREFIN
V
SENSE
= V
VNEG
V
VFB
= V
VNEG
V
DRAINTH
= V
VNEG
V
CL
= V
VREFIN
V
ENABLE
= 5V (open)
V
RESTART
= V
VNEG
(open)
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
0.0
1.0
2.0
3.0
OVO Voltage (V)
4.0
5.0
6.0
7.0
8.0
O
T
T
A
= -40°C
T
A
= +70°C
T
A
= +85°C
T
A
= +0°C
T
A
= +25°C
Data taken with the minimum following conditions:
I
POS
= 5 mA
(Enables V
POS
at its self-regulating voltage)
OVO = V
NEG
to 8V
V
REFIN
= 2.5V, I
SET
= 10 μA
Use PWRGOOD pin as indicator
Note 1:
V
UVTH
> V
VREFIN
V
SENSE
= V
VNEG
V
VFB
= V
VNEG
V
DRAINTH
= V
VNEG
V
CL
= V
VREFIN
V
ENABLE
= 5V (open)
V
RESTART
= V
VNEG
(open)
2.474
2.475
2.476
2.477
2.478
2.479
2.480
0
1
2
3
4
5
6
7
8
OVO Voltage (V)
O
T
I
T
A
= -40°C
T
A
= +70°C
T
A
= +25°C
T
A
= 0°C
T
A
= +85°C
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