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開關穩(wěn)壓器的高性能電壓模式控制
文件頁數(shù): 30/38頁
文件大?。?/td> 170K
代理商: HA16108FP
HA16107P/FP, HA16108P/FP
30
0
1
2
3
4
5
6
V
T
0.5 sec/div
7
t
ON
t
OFF
SW ON
SW OFF
When overcurrent is input at the point
where the duty cycle is 0%.
0
1
2
3
4
5
6
V
T
7
When overcurrent is input at the point
where the duty cycle is 30%.
Operating waveform at the TL pin
Output pulse shutdown region
t
ON
t
OFF
SW ON
SW OFF
Output pulse shutdown region
A
B
A
B
0.5 sec/div
V
IN
OUT
CL(+)
R
T1
C
T
S
T
R
T2
Vref
TL
1
μ
F
+
+
C
ST
1
μ
F
27 k
470 pF
1000 pF
C
L
SW
t2
t1
Du =
×
100 (%)
t1
t2
t
V
TL
A
b
c
t
V
TL
Test circuit
Triangle
wave
CL(+) when
input at a
duty of 0%
CL(+) when
input at a
duty of 30%
Enlargement of section
CTL discharged at 4
μ
A
CTL discharged at 12
μ
A
CTL discharged at 4
μ
A
: PWM pulse output is High
: The point where overcurrent
is detected
: PWM pulse output is Low.
a
to
b
b
b
to
c
B
Enlargement of section
a
Clock
27 k
V
IN
= 18V
R
T1
= R
= 27 k
C
T
= 470 pF
f
OSC
= 100 kHz
HA16107
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