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Cystech Electonics

PL78L12XA3 Datasheet Preview

PL78L12XA3 Datasheet

Low Current Positive Voltage Regulator

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CYStech Electronics Corp.
Three Terminal Low Current Positive Voltage Regulators
PL78L12XA3
Spec. No. : C519A3
Issued Date : 2003.03.26
Revised Date : . .
Page No. : 1/4
TO-92
Description
These regulators employ internal current-limiting and thermal-shutdown,
www.DataShmeeatk4Uin.cgomthem essentially indestructible. They can deliver up to 100mA
output current. if the case temperature can keep in Tc=25°C.
They are intended as fixed voltage regulators in a wide range of appli-
cations including local (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. The PL78L12 used as a Zener diode/resistor com-
bination replacement, offers an effective output impedance improvement
of typically two orders of magnitude, along with lower quiescent current
and lower noise.
Absolute Maximum Ratings (Ta=25°C)
Input Voltage………………………………………………………………………………………………. 35 V
Total Power Dissipation……………………………………………………………………. Internally limited
Operating Temperature Range……………………………………………………………. 0 °C to +125 °C
Maximum Junction Temperature………………………………………………………………………125 °C
Storage Temperature Range………………………………………………………………-55 °C to +150 °C
Lead Temperature (Soldering 10S)……………………………….. ……………………………...260 °C
Typical Application
Vin Vout
PL78L12
C1 C2
Note:
C1 and C2 are required if regulator is
located far from power supply filter
and load, or oscillation may induced
on the loop.
Schematic Diagram
576
3.41k
3.89k
13k
7.8k
Vin
5k
5.7k
100
5p
100
1.5k
1.9k
Vout
2.23k
2.84k
Gnd
PL78L12A3
CYStek Product Specification




Cystech Electonics

PL78L12XA3 Datasheet Preview

PL78L12XA3 Datasheet

Low Current Positive Voltage Regulator

No Preview Available !

CYStech Electronics Corp.
Ordering Information
Device
PL78L12AA3
PL78L12BA3
Output Voltage Tolerance
3%
5%
Spec. No. : C519A3
Issued Date : 2003.03.26
Revised Date : . .
Page No. : 2/4
Electrical Characteristics
www.DataSheet4U.com
Vin=19V, Iout=40mA, 0°CTj125°C, Cin=0.33uF, Cout=0.1uF (unless otherwise noted)
Symbol
Parameter
Vo Output Voltage
Vo Line Regulation
Vo
IQ
IQ
Vn
Vin / Vout
VD
Load Regulation
Quiescent Current
Quiescent Current
Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Input Voltage
Require To Maintain
Line Regulation
Conditions
Tj=25°C
1mAIo70mA
1mAIo40mA and
14.5VVin27V
Tj=25°C, 16VVin27V
Tj=25°C, 14.5VVin27V
Tj=25°C, 1mAIo40mA
Tj=25°C, 1mAIo100mA
Tj=25°C
1mAIo40mA
16VVin27V
Ta=25°C, 10Hzf10KHz
f=120Hz
Tj=25°C
Tj=25°C
PL78L12A
Min Typ Max
11.64 12 12.36
11.64 - 12.36
11.64 - 12.36
Units
V
-
-
20
30
100
180
mV
-
-
10
30
50
100
mV
- 3 5 mA
-
-
-
-
0.1
1
mA
- 80 - uV
40 54
- dB
- 1.7 - V
14.5 -
-V
Symbol
Parameter
Vo Output Voltage
Vo Line Regulation
Vo
IQ
IQ
Vn
Vin / Vout
VD
Load Regulation
Quiescent Current
Quiescent Current
Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Input Voltage
Require To Maintain
Line Regulation
Conditions
Tj=25°C
1mAIo70mA
1mAIo40mA and
14.5VVin27V
Tj=25°C, 16VVin27V
Tj=25°C, 14.5VVin27V
Tj=25°C, 1mAIo40mA
Tj=25°C, 1mAIo100mA
Tj=25°C
1mAIo40mA
16VVin27V
Ta=25°C, 10Hzf10KHz
f=120Hz
Tj=25°C
Tj=25°C
PL78L12B
Min Typ Max
11.5 12 12.5
11.4 - 12.6
11.4 - 12.6
- 20 100
- 30 180
- 10 50
- 30 100
- 35
- - 0.1
- -1
- 80 -
40 54
-
- 1.7 -
Units
V
mV
mV
mA
mA
uV
dB
V
14.5 -
-V
PL78L12A3
CYStek Product Specification


Part Number PL78L12XA3
Description Low Current Positive Voltage Regulator
Maker Cystech Electonics
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