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KIA78S13P Fiches technique(PDF) 13 Page - KEC(Korea Electronics)

No de pièce KIA78S13P
Description  BIPOLAR LINEAR INTEGRATED CIRCUIT (THREE TERMINAL POSITIVE VOLTAGE REGULATORS)
Download  16 Pages
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Fabricant  KEC [KEC(Korea Electronics)]
Site Internet  http://www.keccorp.com
Logo KEC - KEC(Korea Electronics)

KIA78S13P Fiches technique(HTML) 13 Page - KEC(Korea Electronics)

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2011. 4. 5
13/16
KIA78S05P~KIA78S24P
Revision No : 3
VOUT
VIN
(1) STANDARD APPLICATION
KIA78xxP
VOUT
IN
V
1
2
3
RSD
D1
(2) A. CURRENT BOOST VOLTAGE REGULATOR
B. SHORT-CIRCUIT PROTECTION
IN
V
OUT
V
31
2
R1
Q1
I
Quiescent current of IC
:
Heat sink is needed for Q1
R1
VBE1
B
I
where,
BE1
V
: VBE of external
transistor Q1
31
2
RSC
Q2
R1
current
Short-Circuit
:
I SC
where,
I SC
BE2
V
RSC =
2
1
3
(3) CURRENT REGULATOR
VIN
I OUT
=
OUT
I
VOUT
R
+ IB
KIA78SxxP
KIA78SxxP
KIA78SxxP
(MAX)
Q1
B(MAX)
<
=
D1 : Protection Diode High speed
diode D1 should be connected
as shown in the figure if the
condition VIN<VOUT might
occur by surge voltage
or power supply ON/OFF
RSD : Power limiting resistor
for large VIN, resistor RSD is
needed to limit IC power
dissipation
APPLICATION CIRCUIT


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