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Электронный компонент: HA17431UPA

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Regarding the change of names mentioned in the document, such as Hitachi
Electric and Hitachi XX, to Renesas Technology Corp.
The semiconductor operations of Mitsubishi Electric and Hitachi were transferred to Renesas
Technology Corporation on April 1st 2003. These operations include microcomputer, logic, analog
and discrete devices, and memory chips other than DRAMs (flash memory, SRAMs etc.)
Accordingly, although Hitachi, Hitachi, Ltd., Hitachi Semiconductors, and other Hitachi brand
names are mentioned in the document, these names have in fact all been changed to Renesas
Technology Corp. Thank you for your understanding. Except for our corporate trademark, logo and
corporate statement, no changes whatsoever have been made to the contents of the document, and
these changes do not constitute any alteration to the contents of the document itself.
Renesas Technology Home Page: http://www.renesas.com
Renesas Technology Corp.
Customer Support Dept.
April 1, 2003
To all our customers
Cautions
Keep safety first in your circuit designs!
1. Renesas Technology Corporation puts the maximum effort into making semiconductor products better
and more reliable, but there is always the possibility that trouble may occur with them. Trouble with
semiconductors may lead to personal injury, fire or property damage.
Remember to give due consideration to safety when making your circuit designs, with appropriate
measures such as (i) placement of substitutive, auxiliary circuits, (ii) use of nonflammable material or
(iii) prevention against any malfunction or mishap.
Notes regarding these materials
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HA17431 Series
Shunt Regulator
ADE-204-049A (Z)
Rev.1
Sep. 2002
Description
The HA17431 series is temperature-compensated variable shunt regulators. The main application of these
products is in voltage regulators that provide a variable output voltage. The on-chip high-precision
reference voltage source can provide 1% accuracy in the V versions, which have a V
KA
max of 16 volts.
The HA17431VLP, which is provided in the MPAK-5 package, is designed for use in switching mode
power supplies. It provides a built-in photocoupler bypass resistor for the PS pin, and an error amplifier
can be easily constructed on the supply side.
Features
The V versions provide 2.500 V 1% at Ta = 25C
The HA17431VLP includes a photocoupler bypass resistor (2 k)
The reference voltage has a low temperature coefficient
The MPAK-5(5-pin), MPAK(3-pin) and UPAK miniature packages are optimal for use on high
mounting density circuit boards
Car use is provided
Block Diagram
A
+
-
REF
K
PS*
2k
2.500V
Note: * The PS pin is only provided by the HA17431VLP.
HA17431 Series
Rev.1, Sep. 2002, page 2 of 24
Application Circuit Example
Vout
+
A
K
REF
2k
PS
R
2
R
1
HA17431VLP
GND
Switching power supply secondary-side error amplification circuit
R
Ordering Information
Version

Item

V Version

A Version
Normal
Version

Package
Operating
Temperature
Range
Accuracy 1%
2.2%
4%
Max
2.525 V
2.550 V
2.595 V
Typ
2.500 V
2.495 V
2.495 V
Reference
voltage
(at 25C)
Min
2.475 V
2.440 V
2.395 V
Cathode voltage
16 V max
40 V max
40 V max
Cathode current
50 mA max
150 mA max
150 mA max
HA17431VPJ
HA17431PNAJ
TO-92
HA17431PAJ
HA17431PJ
TO-92MOD
HA17431FPAJ
Car use
HA17431FPJ
FP-8D
40 to +85C
HA17431 Series
Rev.1, Sep. 2002, page 3 of 24
Ordering Information (cont.)
Version

Item

V Version

A Version
Normal
Version

Package
Operating
Temperature
Range
HA17431VLTP
HA17432VLTP
MPAK
HA17431VLP
MPAK-5
HA17431VP
HA17431PNA
TO-92
HA17431VUP
HA17431UPA
HA17432VUP
HA17432UPA
UPAK
HA17431PA
HA17431P
TO-92MOD
HA17431FPA
Industrial use
HA17431FP
FP-8D
HA17431UA
Commercial use
HA17432UA
UPAK
20 to +85C
Pin Arrangement
A
A
K
REF
UPAK
(HA17431UA/UPA/VUP)
1
2
3
A
1
2
3
A
REF
K
UPAK
(HA17432UA/UPA/VUP)
A
K
REF
PS
NC
MPAK-5
1
2
3
5
4
K
REF
A
MPAK
(HA17431VLTP)
1
2
3
REF
K
A
1
2
3
MPAK
(HA17432VLTP)
2
3
1
A
K
REF
Mark side
TO-92
2
3
1
A
K
REF
Mark side
TO-92MOD
FP-8D
1
2
3
4
8
7
6
5
REF
NC
A
NC
K
NC NC NC