CYStech Electronics Corp.
Spec. No. : C517M3
Issued Date : 2003.04.02
Revised Date :
. .
Page No. : 1/4
PL78L08M3
CYStek Product Specification
Low Current Positive Voltage Regulator
PL78L08XM3
Description
The PL78L08XM3 series of surface mount regulators are easy-to-use devices suitable for
multitude of applications that require a regulated supply of up to 100mA. These regulators feature
internal current limiting and thermal shutdown, making them remarkably rugged. No external
components are required with the PL78L08XM3 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
Absolute Maximum Ratings (Ta=25°C)
• Input Voltage ....................................................................................................................... 30 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
Schematic Diagram
PL78L08
Vout
Vin
1
3
2
C1
C2
A common ground is required between the
input and the output voltages. The input
voltage must remain typically 2.0V above
the output voltage even during the low point
on the input ripple voltage.
Note : C1 and C2 are required if regulator is located
far from power supply filter and load, or oscillation
may induced on the loop.
576
3.41K
3.89K
7.8K
2.84K
13K
5pF
2.23K
GND
1.5K
1.9K
100
100
5K
5.7K
Vout
Vin
SOT-89
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