參數(shù)資料
型號: MCP18480
廠商: Microchip Technology Inc.
元件分類: 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
文件頁數(shù): 8/64頁
文件大?。?/td> 871K
代理商: MCP18480
MCP18480
DS20091B-page 8
2003 Microchip Technology Inc.
1.2
Timing Diagrams and Specifications
FIGURE 1-2:
Startup Waveforms.
TABLE 1-3:
STARTUP TIMING REQUIREMENTS
Param.
No.
Parameter
Sym
Min
Typ
Max Units
Conditions
MA000
UV
TH
/OV
TH
High (V
POS
applied) to
DRAIN
TH
falling
MA001A DRAIN
TH
falling to PWRGOOD High
MA001B DRAIN
TH
falling to GATE Fast Ramp
MA002
GATE Fast Ramp to external FET
fully enhanced
Note:
Minimum and maximum specifications will be provided in future revisions of this data sheet.
T
UVOV
H2
DTH
F
20.2
ms
T
DTH
F2
GATE
PGH
T
DTH
F2
GATE
FR
T
GATE
FR2FET
E
19.3
13.1
16.1
ms
ms
ms
PWRGOOD
UV
TH
OV
TH
V
REFOUT
< 2.5V
= 2.5V
> 2.5V
DRAIN
TH
MA000
MA001A
GATE
= 5V
(1)
= 12V
MA002
Note 1:
This voltage is determined by the threshold voltage of the external FET.
This voltage needs to ensure the external FET is fully enhanced.
MA001B
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