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Wing Shing Computer Component - Positive Voltage Regulator

Numéro de référence 78L24
Description Positive Voltage Regulator
Fabricant Wing Shing Computer Component 
Logo Wing Shing Computer Component 





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78L24 fiche technique
D
D
D
D
78L24D
D
3-Terminal Regulators
Output Current up to 100 mA
No External Components
Internal Thermal-Overload Protection
Internal Short-Circuit Current Limiting
Provided Pb-Free packages from the end
of 2004
Positive-Voltage Regulators
description
This series of fixed-voltage integrated-circuit
voltage regulators is designed for a wide range of
applications. These applications include on-card
regulation for elimination of noise and distribution
problems associated with single-point regulation.
In addition, they can be used with power-pass
elements to make high-current voltage regulators.
One of these regulators can deliver up to 100 mA
of output current. The internal limiting and
thermal-shutdown features of these regulators
make them essentially immune to overload. When
used as a replacement for a zener diode-resistor
combination, an effective improvement in output
impedance can be obtained, together with lower
bias current.
O
C
I
TO-92
78L24ACZ
INPUT
COMMON
OUTPUT
OUTPUT GND INPUT
electrical characteristics at specified virtual junction temperature, VI =
otherwise noted)
SOT-89
PARAMETER
TEST CONDITIONS
TJ
MIN
78L24CPK
TYP
MAX
Output voltage
V 7Vt
I 1 mA to 40 mA
IO = 1 mA to 70 mA
Input
VI =
voltage regulation VI =
Ripple rejection VI =
f = 120 Hz
Output
IO = 1 mA to 100 mA
voltage regIoul=a1tiomnA toIO4=0M1 Am,AVtIo =4026m.5A to 39V
Output
noise voltage
f = 10 Hz to 100 kHz
26.5V to 39V
Dropout voltage29V to 39V
25 C
Bias current 27.5V to 37.5V,
Bias
current change
VI =
IO = 1 mA to 40 mA
25 C
25°C
Full range
Full range
25°C
25°C
23
25°C
22.8
252°C2.8
25°C
25°3C0
125°C
Full range
32V, Io = 40mA (unless
78L24
24 25
24 25.2
24 25.2
95 480 mV
78 400
33
41 240
28 120 mV1.5
0.1
97
UNIT
V
mV
dB
mV
µV
V
mA
mA
‡ Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken1.i7nto account separately. All characteristics are
Bias
currenmteasured
with
a
0.33-µF
capacitor
across
the
input
and
a
0.1-µF
capacitor
across
the
output.
Fu4ll.r8ange
for
the
78L05
6is.5T
J
=
0°C
mA
to
70°C
6
28V to 39V
Wing Shing Computer Components Co., (H.K.)Ltd.
Homepage: http://www.wingshing.com
FTuell:(852)2341 9276 Fax:(852)2797 8153
mA

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