upc305 Renesas Electronics Corporation., upc305 Datasheet - Page 4

• Manufacturer Part Number: upc305
• Description: Positive Voltage Stabilized Power Supply
• Manufacturer: Renesas Electronics Corporation.

APPLICATION CIRCUIT EXAMPLES
Caution Note the power consumption of the
4
C
4
1 F
V
µ
IN
V
≥ 19 V
0.005
0.002
0.001
+
0.01 F
0.1 F
IN
2SC2331
0.05
0.02
0.01
C
≥ 8 V
C
0.1
3
µ
3
µ
15 V - 1 A Regulator (Fold-back Characteristics)
external transistor.
1
2SA1008
Input - Output Voltage Difference V
1.2 kΩ
130 Ω
R
6
R
1
2
3
4
5
2
5 V - 15 mA Regulator
R
110 Ω
R
3
4
13 Ω
LINE REGULATION
C
f ≤ 120 Hz
1
2
3
4
REF
R
3
8
7
6
5
5
1.3 Ω 2 W
= 10 F
C
1
47 pF
10 F
C
µ
REF
µ
10
8
7
6
5
C
1
R
5.6 kΩ
R
3.1 kΩ
47 pF
10 F
1
C
2
C
V
T
REF
µ
REF
A
20
OUT
= 25˚C
DIF
+
= 0 F
= 10 V
Data Sheet G10633EJ5V0DS
16.7 kΩ
R
R
2.3 kΩ
C
1
(V)
1
2
2
µ
µ
µ
F
PC305 when the output pin is short-circuited and that of the
V
O
50
+
= 5 V
C
50 F
2
µ
V
V
IN
O
0.01 F
≥ 13 V
= 15 V
C
3
µ
10 V - 200 mA Regulator (Drooping Characteristics)
−400
2SA1008
−40
400
40
0
0
0
1 A Constant-current Regulator
1
2
3
4
1
2
3
4
TRANSIENT RESPONSE TIME
R
LINE
LOAD
3
C
C
1.3 Ω 0.5 W
L
L
= 0 F
= 1 F
Response Time ( s)
10
8
7
6
5
µ
µ
8
7
6
5
C
1
680 Ω
47 pF
10 F
C
C
47 pF
R
REF
µ
1
4
2 kΩ
R
V
R
11.2 kΩ
R
R
2.45 kΩ
2
OUT
20
µ
1
2SC2331
2
3
68 Ω
R
1.8 Ω 2 W
R
I
I
V
R
∆V
= 10 V
FL
NL
1
OUT
SC
SC
+
µ
2SC2517
= 20 mA
Load
IN
= 1.0 mA
= 10 Ω
C
3.3 F
= 10 Ω
= 5 V
= 10 V
2
PC305
µ
V
V
O
IN
= 10 V
30