English
Language : 

UPC317 Datasheet, PDF (1/12 Pages) NEC – 3-TERMINAL POSITIVE ADJUSTABLE REGULATOR
DDAATTAA SSHHEEEETT
BIPOLAR ANALOG INTEGRATED CIRCUIT
µPC317
3-TERMINAL POSITIVE ADJUSTABLE REGULATOR
DESCRIPTION
The µPC317 is an adjustable 3-terminal positive 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)
3-pin plastic SIP (MP-45G)
µPC317HF
ORDERING INFORMATION
Part Number
µPC317HF
Package
3-pin plastic SIP (MP-45G) (isolated TO-220)
123
1 : ADJ
2 : OUTPUT
3 : INPUT
EQUIVALENT CIRCUIT
R1
R27
Q2
R6
D1
Q3
R9
R2
R3
R4
R5
INPUT
Q22
Q4
R7
Q6
Q5
Q10
Q8
Q14
Q13
R8
Q15
Q9
Q7
Q11 Q12
C1
C2
R10 R11 R12
R13
Q18
Q16
Q17 Q19
Q23 R19
R16
R17
Q20
C3 R21
Q21
R20
Q24
R18
R22
R15
R14
Q25
D2
Q26
R23
D3
R24
R26 R25
OUTPUT
ADJ
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.
Document No. G12826EJ3V0DS00 (3rd edition)
Date Published January 2000 N CP(K)
©
Printed in Japan
2000