參數(shù)資料
型號(hào): MIC2310-2ZTS TR
廠商: Micrel Inc
文件頁(yè)數(shù): 16/34頁(yè)
文件大小: 473K
描述: IC HOT SWAP CTLR 2CHAN 24TSSOP
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)
電流限制: 可調(diào)
電源電壓: 10.8 V ~ 13.2 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 24-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 24-TSSOP
包裝: 帶卷 (TR)
Micrel, Inc.
MIC2310
 
 
July 2008 
16
M9999-070108-A
 
Charging Load by dI
D
/dt  Primary OC Trips CB
after t
POC
 and CB Reset by Toggling ENABLE
HIGH-to-LOW
Figure 5 illustrates the behavior of the controller to an
OC event after the primary and secondary OC
detection   circuits   have   been   armed   (upon   the
application of an ENABLE LOW-to-HIGH transition
and after t
POR
). In this example, the load capacitor is
charged at a controlled dI
D
/dt rate. Steady-state
operation is not achieved as the controlled inrush
profile causes the primary OC detector to trigger at
I
POC
 and continues charging when the t
POCSENSE
 timer
terminates. Note that the controllers PWRGD digital
output does not assert because the output load
voltage profile at no time rises higher than the
controllers V
PGH
 threshold voltage and the V
GS
 of the
external MOSFET does not rise higher than the
controllers V
GSPGH
threshold voltage.
Once the circuit breaker has latched, the I_FLT digital
output is asserted. When the circuit breaker is tripped
by either the primary OC or secondary OC detectors),
applying a HIGH-to-LOW transition on the ENABLE
pin will reset the circuit breaker. At a delay defined by
t
CBRESET
, the internal circuit breaker is reset and is
indicated when the I_FLT digital output becomes de-
asserted. The earliest a LOW-to-HIGH transition at
ENABLE is permitted to initiate a new start-up
sequence is defined by the t
ENLPW
 timing specification.
 
 
V
CC
 = 12V, nominal
V
VREG(UVLOH)
 = +4.25V
V
REG
 = 5V, nominal
 
 
Figure 5. dI
D
/dt Load Charge Profile w/ Primary OC Circuit Breaker (CB) Trip w/ CB Reset
 
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