參數(shù)資料
型號(hào)： HA16116FPJ
廠商： Hitachi,Ltd.
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述： 抗輻射高效，5安培開(kāi)關(guān)穩(wěn)壓器
文件頁(yè)數(shù)： 14/34頁(yè)
文件大?。?/td> 250K
代理商： HA16116FPJ
HA16116FP/FPJ, HA16121FP/FPJ
14
5.2 Quick Shutoff
When the UVL circuit goes into operation, a sink transistor is switched on as in the figure below, drawing
off the excess current. This transistor also functions when the IC is turned off, drawing off current from the
C
T
, E/O, and DB pins and enabling quick shutoff.
UVL
R
!
On
Off
PWM
output
off
PWM output on
PWM
output off
1.7 2.0
2.5
5.0
7.0
V
ref
When V
IN
is
low
Abnormal voltage
applied to Vref
Relation of Vref to UVL and OVP
PWM
output
(V)
Vref
generation
circuit
To other circuitry
OUT
OUT
OVP
ZD
2.0 V and
1.7 V
detection
V
IN
Vref
10 k
Internal
pulse
signal
Vref
Sink
transistor
Figure 5.1 Quick Shutoff
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA16117 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CMOS Watchdog Timer
HA16117F 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CMOS Watchdog Timer
HA16117FA 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CMOS Watchdog Timer
HA16117FB 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CMOS Watchdog Timer
HA16117FC 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CMOS Watchdog Timer
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