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部品番号
コンポーネント説明
HA16107FP データシートの表示(PDF) - Renesas Electronics
部品番号
コンポーネント説明
メーカー
HA16107FP
PWM Switching Regulator for High-performance Voltage Mode Control
Renesas Electronics
HA16107FP Datasheet PDF : 40 Pages
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HA16107P/FP, HA16108P/FP
•
Timing waveforms
16.2 V
V
IN
9.5 V
6.45 V
5V
Vref
4V
0V
V
CT
, V
ST
,
V
E/O
4.2 V
3.8 V
2.2 V
0V
V
OUT
(PWM pulse)
V
IN
0V
Level determined by transformer
V
IN
Vref
V
ST
V
CT
C
ST
discharge
Soft start
V
E/O
Quick shutdown
Normal operation
(Time t)
Vref
9
Vref
from Vref
C
ST
ST
10
Zener
3.8 V
diode
10
µ
A
from UVL2
(Effective for
quick shutdown)
+
+
−
PWM comparator
V
CT
E/O
15
7
Note: The soft-start time constant is determined by
C
ST
and the constant-current value (typically 10
µ
A).
Rev.4.00 Jun 15, 2005 page 8 of 39
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