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參數(shù)資料
| 型號： | UPC305G2 |
| 廠商： | NEC Corp. |
| 英文描述： | POSITIVE VOLTAGE STABILIZED POWER SUPPLY |
| 中文描述： | 正電壓穩(wěn)壓電源 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 67K |
| 代理商： | UPC305G2 |
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
BIPOLAR ANALOG INTEGRATED CIRCUT
μ
PC305
POSITIVE VOLTAGE STABILIZED POWER SUPPLY
Document No. G10633EJ3V0DS00 (3rd edition)
Date Published December 1999 N CP(K)
Printed in Japan
DATA SHEET
1999
DESCRIPTION
The
μ
PC305 is a high-performance stabilized power supply that can supply a constant voltage in a wide
temperature range even if the input voltage or load voltage fluctuates, by integrating a high-gain error amplifier and a
temperature-compensating constant-voltage diode on a single chip.
FEATURES
Wide output voltage variable range Vo: 4.5 to 30 V, V
DIF
: 3 to 30 V
Excellent load stability
Good ripple rejection ratio
PIN CONFIGURATION (Top View)
0.02%
0.003%/V
ORDERING INFORMATION
Part Number
Package
μ
PC305C
μ
PC305G2
8-pin plastic DIP (7.62 mm (300))
8-pin plastic SOP (5.72 mm (225))
EQUIVALENT CIRCUIT
3
2
1
8
7
6
5
4
Input
Current output
Current limiter
Output
Compensation
Error detection
Reference voltage
GND
Q
18
Q
1
R
2.2 k
C
5 pF
Q
2
Q
3
Q
17
Q
16
Q
5
Q
15
Q
14
Q
9
Q
7
Q
8
Q
10
Q
13
Q
12
Q
11
Q
4
R
4
3 k
R
3
6.8 k
R
2
3 k
R
4.4 k
Q
6
R
600
R
8
1.86 k
R
1.32 k
R
7
2.8 k
D
1
1
2
3
4
8
7
6
5
Current limiter
Current output
Input
GND
Output
Compensation
Error detection
Reference voltage
PC305C, 305G2
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