參數(shù)資料
型號: HA16107P
廠商: Hitachi,Ltd.
元件分類: 基準電壓源/電流源
英文描述: Isolated Flyback Switching Regulator with 9V Output
中文描述: 隔離反激式開關穩(wěn)壓9V輸出
文件頁數(shù): 6/38頁
文件大?。?/td> 170K
代理商: HA16107P
HA16107P/FP, HA16108P/FP
6
Function and Timing Chart
Triangle Waveform and PWM Output
V
TH
4.2 V typ
Triangle waveform
is output to C
T
pin
E/O
C
T
V
RT2
OUT
0 V
0 V
V
TL
2.2 V typ
Dead band
t
DB
t
ON
I
1
=Vref
2V
BE
R
T1
C
T
×
R
T1
×
2V
Vref
2V
BE
0.4
×
C
T
×
R
T1
(s)
I
2
=
9
8
7
6
2
×
2
×
2
×
I
1
I
1
2I
2
I
2
R
T1
C
T
Vref
(connected internally)
+
+
Comparator for
triangle waveform
oscillation
0.6 V
The 2s are transistors whose emitter area is doubled.
t
DB
=
R
T2
2R
T1
Du max =
R
T2
2R
T1
R
T2
t
ON
t
DB
1
Du max
t
DB
f
OSC
(s)
(Hz)
Note: When f
OSC
is high, the actual value will differ from that given by the formula due to the delay time.
Determine the correct constants after constructing a test circuit.
R
T2
V
RT2
2
×
Timing chart (during normal operation)
Oscillator equivalent circuit
V
IN
2V
BE
Vref
2V
BE
R
T2
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相關代理商/技術參數(shù)
參數(shù)描述
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