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PDF UPC337 Data sheet ( Hoja de datos )
| Número de pieza | UPC337 | |
| Descripción | 3-TERMINAL NEGATIVE ADJUSTABLE REGULATOR | |
| Fabricantes | NEC | |
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DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
µPC337
3-TERMINAL NEGATIVE ADJUSTABLE REGULATOR
The µPC337 is an adjustable 3-terminal negative voltage regulator, which has 1.5 A capable for the output
current. The output voltage can be set any value between –1.3 V and –30 V by two external resistors.
FEATURES
• Output current excess of 1.5 A
• On-chip some protection circuit (over current protec-
tion, SOA protection and thermal shut down).
PIN CONFIGURATION (Marking Side)
ORDERING INFORMATION
Part Number
Package
µPC337HF 3-pin plastic SIP (MP-45G) (isolated TO-220)
123
1 : ADJ
2 : INPUT
3 : OUTPUT
EQUIVALENT CIRCUIT
Q12
Q13 R22
Q14
R13
R41
Q1
R1
Q3
Q2
Q4
R2
R42
R4
Q8
Q5
D4 R23
D5
R24 D1
R9
D2
C1 R8
R5 C2 C3
R6 R7
Q7
Q6
R3
D7
Q28
R36
Q29
ADJ
OUTPUT
R14 R17
Q15
R15
R16 Q22
Q19 Q21 R21
Q18
Q20
D6
Q16 Q17
R19
R18
R20
R25
D3
Q9
R26
Q23
Q24
C4
R27
R28
R29
Q30
R37
Q31
C5 R30
Q25
R39
R38
Q10 Q11
R31 R32
R10 R11
Q26
R33
R35
Q27
R34
R40
INPUT
The information in this document is subject to change without notice.
Document No. G13783EJ2V0DS00 (2nd edition)
(Previous No. IN-1878)
Date Published October 1998 N CP(K)
Printed in Japan
The mark shows major revised points.
©
1986
1 page  
µPC337
TYPICAL CHARACTERISTICS (TA = 25 °C, unless otherwise specified.)
PT vs TA
25
20
Infinite heatsink
15
10
With 10°C/W heatsink
5
No heatsink
0 25 50 75 100 125
TA - Operating Ambient Temperature - °C
REGL vs TJ
2.0
VIN = –10 V
VO = –5 V
1.5
1.0
0.5
0
–25 0
25 50 75 100 125
TJ - Operating Junction Temperature - °C
IOpeak vs VDIF
3.0
TJ = –20 °C
+25 °C
2.0 +125 °C
1.0
–1.27
–1.26
–1.25
–1.24
VREF vs TJ
VIN –VO = –5 V
IO = 10 mA
0 –10 –20 –30 –40
VDIF - Input - Output Voltage Differential - V
90
80
70
60
50
40
30
20
10
10
R . R vs VO
CADJ = 10 µ F
CADJ = 0
VIN = –15 V
VO = –10 V
IO = 0.5 A
CIN = 1µ F
CO = 4.7µ F
100 1 k 10 k
f - Frequency - Hz
100 k
–1.23
–25
0
25 50 75 100 125
TJ - Operating Junction Temperature - °C
IOMIN. vs VDIF
4
3
2 TJ = –20 °C
TJ = +125 °C
1
TJ = +25 °C
0 –10 –20 –30 –40
VDIF - Input - Output Voltage Differential - V
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet UPC337.PDF ] | |
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