S-81246SGY-T Просмотр технического описания (PDF) - Seiko Instruments Inc
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S-81246SGY-T Datasheet PDF : 33 Pages
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HIGH-PRECISION VOLTAGE REGULATOR
S-812XXSG Series
Notes on Design
Voltage regulators may oscillate if small or zero capacity is connected to IC input when the impedance of the
power source is high and a large capacity is connected to IC output.
The S-812XXSG Series has no short-current circuit limiting. The element may break by exceed current of
errorneous short-current.
Keep the output current more than 10 A when using the product of VOUT2.6 V under the condition of high input
voltage and high temperature.
Do not apply any ripple voltage under the condition in Figure 18 to VIN terminal.
V [V]
f
VPP 0.5 V
f 1000 Hz
Figure 18
VPP
f [Hz]
Mount diodes for IC protection, when connecting another power supply to VOUT terminal.
VIN V / R
GND
VOUT
OUT
Figure 19
When designing for mass production using an application circuit described here, keep the deviation of components
and temperature characteristic.
Seiko Instruments Inc.
19
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