參數(shù)資料
型號: LTC4251CS6
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
封裝: 1 MM HEIGHT, PLASTIC, MO-193, TSOT-23, 6 PIN
文件頁數(shù): 8/20頁
文件大?。?/td> 235K
代理商: LTC4251CS6
LTC4251/LTC4251-1/
LTC4251-2
16
425112fa
If the overvoltage glitch is long enough to deplete the load
capacitor, a full start-up cycle may occur as shown be-
tween time points 3 through 6.
Figure 7. System Power-Up Timing (All Waveforms are Referenced to VEE)
Figure 8. Power-Up Timing with a Short-Pin (All Waveforms are Referenced to VEE)
APPLICATIO S I FOR ATIO
WU
UU
13
24
5 6
7 8
9
VIN CLEARS VLKO, CHECK VUVHI <UV/0V < VOVLO, TIMER< VTMRL, GATE < VGATEL AND SENSE < VCB.
TIMER CLEARS VTMRL, CHECK GATE < VGATEL AND SENSE < VCB.
GND-VEE
UV/0V
VIN
TIMER
GATE
SENSE
VOUT
VLKO
VTMRH
VTMRL
VACL
VCB
5.8
A
5.8
A
5.8
A
INITIAL TIMING CYCLE
START-UP CYCLE
425112 F07
230
A
58
A
58
A
13
24
5 6
7 8
9
UV/0V CLEARS VUVHI, CHECK VIN < VLKO – VLKH, TIMER < VTMRL, GATE < VGATEL AND SENSE < VCB.
TIMER CLEARS VTMRL, CHECK GATE < VGATEL AND SENSE < VCB.
GND-VEE
UV/0V
VIN
TIMER
GATE
SENSE
VOUT
VUVHI
VLKO
VTMRH
VTMRL
VACL
VCB
5.8
A
5.8
A
5.8
A
INITIAL TIMING CYCLE
START-UP CYCLE
425112 F08
230
A
58
A
58
A
Timer Behavior
In Figure 12a, the TIMER capacitor charges at 230
A if the
SENSE pin exceeds VCB. It is discharged with 5.8A if the
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參數(shù)描述
LTC4251CS6#PBF 制造商:Linear Technology 功能描述:Hot Swap Controller 1-CH 6-Pin TSOT-23
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