參數(shù)資料
型號： HA16108FP
廠商： Hitachi,Ltd.
元件分類： FPGA
英文描述： 1500000 SYSTEM GATE 1.5 VOLT FPGA
中文描述： PWM開關(guān)穩(wěn)壓器的高性能電壓模式控制
文件頁數(shù)： 19/38頁
文件大?。?/td> 170K
代理商： HA16108FP
HA16107P/FP, HA16108P/FP
19
Application Note
Case:
When DC power is applied directly as the power supply of the HA16107/HA16108, without using the
transformer backup coil.
Phenomenon:
The IC may not be activated in the case of a circuit in which V
IN
rises quickly (10 V/100
μ
s or faster),
such as that shown in figure 2.
Reason:
Because of the IC circuit configuration, the timer latch block operates first.
Remedy (counter measure):
Take remedial action such as configuring a time constant circuit as shown in figure 3, to keep the V
IN
rise speed below 10 V/100
μ
s.
If the IC power supply consists of an activation resistance and backup coil, as in an AC/DC converter, The
V
IN
rise speed is usually around 1 V/100
μ
s, and there is no risk of this phenomenon occurring.
Input
V
IN
V
IN
HA16107
Series
GND
Feedback
Output
Figure 2 Example of Circuit with Fast V
IN
Rise Time
Input
V
IN
V
IN
18 V
1
μ
FC
HA16107
Series
GND
Feedback
Output
R 51
Time constant
circuit
Figure 3 Sample Remedial Circuit
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PDF描述
HA16108P 1500000 SYSTEM GATE 1.5 VOLT FPGA
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA16108FP-E 制造商:RENE 功能描述:
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HA16113FPJ 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dual Watchdog Timers
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