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): 13/64頁
文件大?。?/td> 871K
代理商: MCP18480
2003 Microchip Technology Inc.
DS20091B-page 13
MCP18480
FIGURE 1-7:
Current Limit Waveform.
TABLE 1-8:
CURRENT LIMIT TIMING REQUIREMENTS
Param.
No.
Parameter
Sym
Min
Typ
Max Units
Conditions
MA050
MA051
External Short to Timer period start
Timer period
T
SHORT
2
TIMER
S
T
TIMER
P
171
5.8
mS
sec
C
TIMER
= 0.68 μF
R
DISCH
= 1.6 M
C
TIMER
= 0.68 μF
R
DISCH
= 1.6 M
C
TIMER
= 0.68 μF
R
DISCH
= 11.6 M
C
TIMER
= 0.68 μF
R
DISCH
= 1.6 M
MA053
ENABLE High to Timer period start
T
ENABLE
H2
TIMER
S
30.5
mS
MA054
RESTART Low to Timer period
start
External Short removed to Timer off
Note 2
Note 1:
Minimum and maximum specifications will be provided in future revisions of this data sheet.
2:
This is up to one additional timer period because the external short circuit is removed asynchronously to
the timer. The timer must time out before normal operation returns.
T
RESTART
L2
TIMER
S
30.9
mS
MA055
T
NOSHORT
2
TIMER
O
5.8
sec
Timer
GATE
SENSE
MA051
ENABLE
RESTART
MA053
MA055
External Short Condition On-Board
MA054
MA050
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