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PDF GS78L12YUF Data sheet ( Hoja de datos )

Número de pieza GS78L12YUF
Descripción 3-Terminal Positive Voltage Regulator
Fabricantes Globaltech 
Logotipo Globaltech Logotipo



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3-Terminal Positive Voltage Regulator
DEC. 2009
Product Description
The GS78Lxx Series of positive voltage regulators
are inexpensive, easy-to-use devices suitable for a
multitude of applications that require a regulated
supply of up to 100mA. Like their higher-powered
GS78xx Series cousins, these regulators feature
internal current limiting and thermal shutdown
making them remarkably rugged. No external
components are required with the GS78Lxx
devices in many applications.
These devices offer a substantial performance
advantage over the traditional zener diode-resistor
combination, as output impedance and quiescent
current are substantially reduced.
Features
Wide Range of Available, Fixed Output
Voltages
Internal Short Circuit Current Limiting
Internal Thermal Overload Protection
No External Components Required
Complementary Negative Regulators
Offered (GS79Lxx Series)
Available in ±5% Accuracy
RoHS and Halogen Free Compliant and
100% Lead(Pb)-Free
Applications
Battery Powered Systems
Portable Consumer Equipment
Portable Computer
Radio Control Systems
Logic Systems
Power Adapter
Representative Schematic Diagram
15k
Q1
3.8K
Q3
Q4 Q6
Q5
Q10
1.2K
Z1 Q2
420
1.9k 19k 2.2K
C Q9
Q8
Q7
1.0K
Q11 Input
Q12
5.0K 3.0
Output
0-25K
2.85K
Ground
www.gs-power.com 1
Free Datasheet http://www.nDatasheet.com

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GS78L12YUF pdf
Typical Performance Characteristics
Dropout Characteristics
Dropout Voltage versus Junction Temperature
8.0
6.0
Io=1.0mA
4.0
GS78L05
VOUT=5.0V
TJ=25℃
2.0 Io=40mA
Io=100mA
0
0 2.0 4.0 6.0 8.0 10
VI,INPUT VOLTAGE(V)
2.5
2.0
1.5
Io=40mA
1.0
IO=70mA
Io=1.0mA
0.5 Dropout of Regulation is
defined as when Vo=2% of Vo
0
0 25 50 75 100 125
TJ,JUNCTION TEMPERATURE(℃)
Input Bias Current versus Ambient Temperature
Input Bias Current versus Input Voltage
2.5
2.0
1.5
Io=40mA
1.0
IO=70mA
Io=1.0mA
0.5 Dropout of Regulation is
defined as when Vo=2% of Vo
0
0 25 50 75 100 125
TJ,JUNCTION TEMPERATURE(℃)
5.0
4.0
3.0 GS78L05
VOUT=5.0V
2.0
IO=40mA
TJ=25℃
1.0
0 0 5.0 10 15 20 25 30 35 40
VI,INPUT VOLTAGE(V)
Maximum Average Power Dissipation versus Ambient Temperature TO-92 Type Package
10,000
1000
No Heatsink
100
102
5
RθJA=200℃/W
PD(max) to 25℃=625mW
TA,AM50 BIENT7T5EMPE1R0A0TURE1(25)
150
www.gs-power.com 5
Free Datasheet http://www.nDatasheet.com

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