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78L12 Datasheet(PDF) 1 Page - Wing Shing Computer Components

Part # 78L12
Description  Positive-Voltage Regulators
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Manufacturer  WINGS [Wing Shing Computer Components]
Direct Link  http://www.wingshing.com/en
Logo WINGS - Wing Shing Computer Components

78L12 Datasheet(HTML) 1 Page - Wing Shing Computer Components

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D 3-Terminal Regulators
D Output Current up to 100 mA
D No External Components
D Internal Thermal-Overload Protection
D Internal Short-Circuit Current Limiting
D Direct Replacements for Fairchild µA78L
Series
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.
electrical characteristics at specified virtual junction temperature, VI =
otherwise noted)
PARAMETER
TEST CONDITIONS
TJ‡
UNIT
J
MIN
TYP
MAX
V
7Vto20V
I
25
°C
Output voltage
V
7 V t
20 V
I
Full range
V
IO = 1 mA to 70 mA
Full range
Input
VI =
25
°C
mV
voltage regulation
VI =
25
°C
mV
Ripple rejection
VI =
f = 120 Hz
25
°C
dB
Output
IO = 1 mA to 100 mA
25
°C
mV
voltage regulation
IO = 1 mA to 40 mA
25
°C
mV
Output
noise voltage
f = 10 Hz to 100 kHz
25
°C
µV
Dropout voltage
25
°C
V
Bias current
25
°C
6
mA
Bias c rrent
125
°C
5.5
mA
Bias
VI =
Full range
1.5
mA
current change
IO = 1 mA to 40 mA
F ll range
0.1
mA
‡ Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately. All characteristics are
measured with a 0.33-
µF capacitor across the input and a 0.1-µF capacitor across the output. Full range for the 78L05 is T J = 0°C to 70°C
Wing Shing Computer Components Co., (H.K.)Ltd.
Tel:(852)2341 9276
Fax:(852)2797 8153
Homepage: http://www.wingshing.com
E-mail:
wsccltd@hkstar.com
Positive-Voltage Regulators
I
o
I =1mA to 40MA, V =14V to 27V
25 C
25 C
Bias current
Full
mV
mV
mA
mA
2-1
INPUT
COMMON
OUTPUT
TO-92
OUTPUT
GND INPUT
SOT-89
78L12
11.5
12
12.5
11.4
12
12
12.6
11.4
12.6
78L12
49
200
250
37
42
55
12
22
100
13
50
70
1.7
4.3
O
14.5V tO 27V
16V tO 27V
15V to 25V,
16V to 27V
78L12ACZ
78L12CPK
O
C
I
19V, I =40mA (unless


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