參數(shù)資料
型號(hào): LTC4210-2CS6#TRM
廠商: Linear Technology
文件頁(yè)數(shù): 14/20頁(yè)
文件大?。?/td> 251K
描述: IC CONTROLLER HOT SWAP TSOT23-6
標(biāo)準(zhǔn)包裝: 1
類(lèi)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: 2.7 V ~ 16.5 V
工作溫度: 0°C ~ 70°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: SOT-23-6 細(xì)型,TSOT-23-6
供應(yīng)商設(shè)備封裝: SOT-23-6
包裝: 剪切帶 (CT)
產(chǎn)品目錄頁(yè)面: 1342 (CN2011-ZH PDF)
其它名稱(chēng): LTC4210-2CS6
LTC4210-2CS6#TRMCT
LTC4210-2CS6-ND
14
LTC4210-1/LTC4210-2
 421012f
Autoretry After Current Fault (LTC4210-1)
Figure 8 shows the waveforms of the LTC4210-1 (autoretry
version) during a circuit breaker fault. At time point B1, the
TIMER trips the COMP2 threshold of 1.3V. The GATE pin
pulls to ground while TIMER begins a cool-off cycle with
a 2礎(chǔ) pull-down to the COMP1 threshold of 0.2V. At time
point C1, the TIMER pin pulls down with approximately a
7k resistor to ground and a GATE start-up cycle is initiated.
If the fault persists, the fault autoretry duty cycle is
approximately 3.8%. Pulling the ON pin low for more than
30祍 will stop the autoretry function and put the LTC4210
in reset mode.
Latch-Off After Current Fault (LTC4210-2)
Figure 9 shows the waveforms of the LTC4210-2 (latch-off
version) during a circuit breaker fault. At time point B, the
TIMER trips the COMP2 threshold. The GATE pin pulls to
ground while the TIMER pin is latched high by a 5礎(chǔ) pull-
up. The TIMER pin eventually reaches the soft-clamped
voltage (V
CLAMP
) of 2.3V. To clear the latchoff mode, the
user can either pull the TIMER pin to below 0.2V externally
or cycle the ON pin low for more than 30祍.
APPLICATIO S I FOR ATIO
U
U
U
Figure 8. Automatic Retry After Overcurrent Fault
A1
V
TIMER
V
GATE
V
OUT
I
LOAD
4210 F08
B1
C1    A2  B2
COMP2
COMP1
CB
FAULT
CB
FAULT
NORMAL
MODE
COOL OFF
CYCLE
COOL OFF
CYCLE
60礎(chǔ)
100礎(chǔ)
2礎(chǔ)
2礎(chǔ)
60礎(chǔ)
REGULATING AT 50mV/R
SENSE
NORMAL
MODE
LATCHED OFF CYCLE
CB
FAULT
60礎(chǔ)
V
TIMER
V
GATE
V
OUT
I
LOAD
A   B    C
V
CLAMP
COMP2
COMP1
0V
0V
2410 F09
REGULATING AT 50mV/R
SENSE
Figure 9. Latchoff After Overcurrent Fault
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