HA17431UA

Manufacturer Part NumberHA17431UA
ManufacturerRenesas Electronics Corporation.
HA17431UA datasheet
 


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HA17431 Series
Shunt Regulator
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
the MPAK-5V 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 = 25°C
• The HA17431VLP includes a photocoupler bypass resistor (2 kΩ)
• The reference voltage has a low temperature coefficient
• The MPAK-5V(5-pin), MPAKV(3-pin) and UPAKV miniature packages are optimal for use on high mounting
density circuit boards
Block Diagram
Note: * The PS pin is only provided by the HA17431VLP.
Application Circuit Example
Switching power supply secondary-side error amplification circuit
REJ03D0678-0300 Rev.3.00 Apr 03, 2007
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max of 16 volts. The HA17431VLP, which is provided in
KA
K
PS*
2kΩ
+
REF
A
R
R
+
1
K
PS
2kΩ
REF
R
A
2
HA17431VLP
REJ03D0678-0300
Rev.3.00
Apr 03, 2007
Vout
GND

HA17431UA Summary of contents