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UPC494G データシートの表示(PDF) - NEC => Renesas Technology
部品番号
コンポーネント説明
メーカー
UPC494G
SWITCHING REGULATOR CONTROL CIRCUIT
NEC => Renesas Technology
UPC494G Datasheet PDF : 20 Pages
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µ
PC494
BASIC APPLICATION CIRCUIT
V
OUT
Switching regulator
JP
2
output pin
r
sense
GND
–I
osense
VR
3
R
13
100
Ω
R
14
7.5 k
Ω
5 k
Ω
JP
1
+I
osense
R
15
0.01
µ
F
100
Ω
C
2
V
osense
R
17
3.9 k
Ω
R
1
R
3
5.1 k
Ω
C
7
16 15 14 13 12 11
+
–
ERROR
AMP
2
R
16
100 k
Ω
REFERENCE
REGULATOR
F/F
+
C
1
C
6
47
µ
F
10
9
R
9
110
Ω
VR
1
2 k
Ω
ERROR
+
AMP
1
–
OSCILLATOR
0.1 V
1
2
3
4
5
6
7
8
V
CC
R
12
R
11
110
Ω
110
Ω
C
2
E
2
E
1
C
1
R
10
110
Ω
12 V
R
2
R
4
5.1 k
Ω
5.1 k
Ω
240 k
Ω
R
5
2 k
Ω
VR
2
C
5
R
8
24 k
Ω
C
3
R
6
C
4
+
R
7
7.5 k
Ω
0.01
µ
F 24 k
Ω
10
µ
F
+5 V (V
REF
)
5
Remark
f
OSC
≅
40 kHz, C
5
= 1000 pF (Recommend film capacitor)
Data Sheet G12649EJ4V0DS00
9
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