參數(shù)資料
型號(hào): ADM1073ARU-REEL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 19/24頁(yè)
文件大?。?/td> 370K
描述: IC CTRLR HOTSWAP -48V 14TSSOP
標(biāo)準(zhǔn)包裝: 2,500
類型: 熱交換控制器
應(yīng)用: 通用
內(nèi)部開(kāi)關(guān): 無(wú)
電源電壓: -35 V ~ -80 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 14-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 14-TSSOP
包裝: 帶卷 (TR)
配用: EVAL-ADM1073MEBZ-ND - BOARD EVALUATION FOR ADM1073
Data Sheet
ADM1073
 
Rev. B | Page 19 of 24
An undervoltage glitch is dealt with in a similar way. When VUV
falls below the undervoltage threshold of 0.868 V, the GATE
voltage is pulled low. VUV begins to rise back toward the
operating voltage window, and the GATE drive is restored when
the undervoltage rising threshold (0.868 V plus preset UV
hysteresis level) is reached. Figure 39 illustrates the ADM1073s
operation in an undervoltage situation.
 
Figure 39. Timing Waveforms Associated with an Undervoltage Fault
(Ch1 = GATE; Ch2 = UV; Ch3 = PWRGD
; Ch4 = SPLYGD
)
SOFT START
The ADM1073 offers a variable soft start feature. The value of
the capacitor on the SS pin sets the ramp rate of the inrush
current profile at startup. Figure 40 to Figure 42 show different
inrush current ramp rates for three SS capacitors.
 
Figure 40. Soft Start Profile with a 0.1 nF Capacitor
(Ch1 = GATE; Ch2 = SENSE)
 
Figure 41. Soft Start Profile with a 1.5 nF Capacitor
(Ch1 = GATE; Ch2 = SENSE)
 
Figure 42. Soft Start Profile with an 8.2 nF Capacitor
(Ch1 = GATE; Ch2 = SENSE)
 
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