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CYStech Electronics Corp.
Low Current Positive Voltage Regulator
Spec. No. : C517M3 Issued Date : 2003.04.02 Revised Date : .. Page No. : 1/4
PL78L08XM3
SOT-89
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=25C)
* 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
Vin
3
Schematic Diagram
Vout
Vin
PL78L08
1
5K
2
5.7K 100 100 1.5K 1.9K Vout 5pF 3.41K 13K 2.23K 7.8K
C1
C2
576
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.
3.89K
2.84K GND
PL78L08M3
CYStek Product Specification
CYStech Electronics Corp.
Electrical Characteristics
Vin=14V, Io=40mA, Tj=25C Cin=0.33uF, Cout=0.1uF (unless otherwise noted)
Spec. No. : C517M3 Issued Date : 2003.04.02 Revised Date : .. Page No. : 2/4
Symbol
Parameter
Conditions Tj=25C 10.5VVin23V 1mAIo40mA 1mAIo70mA Tj=25C, 10.5VVin23V Tj=25C, 11VVin23V Tj=25C, 1mAIo40mA Tj=25C, 1mAIo100mA Tj=25C 1mAIo40mA 11VVin23V Ta=25C, 10Hzf10KHz 11VVin21V, f=120Hz Tj=25C Tj=25C Conditions Tj=25C 10.5VVin23V 1mAIo40mA 1mAIo70mA Tj=25C, 10.5VVin23V Tj=25C, 11VVin23V Tj=25C, 1mAIo40mA Tj=25C, 1mAIo100mA Tj=25C 1mAIo40mA 11VVin23V Ta=25C, 10Hzf10KHz 11VVin21V, f=120Hz Tj=25C Tj=25C
PL78L08A Min Typ Max 7.76 8 8.24 7.76 7.76 39 8 8 80 70 8 15 2 60 45 140 1.7 8.24 8.24 175 125 40 80 5.5 0.1 1.5 -
Units
Vo
Output Voltage
V
Vo Vo IQ
Line Regulation Load Regulation
mV mV mA mA uV dB mA V Units
Quiescent Current Quiescent Current IQ Change Vn Output Noise Voltage Vin / Vout Ripple Rejection Peak Output / Short Isc -Circuit Current VD Dropout Voltage Symbol Parameter
PL78L08B Min Typ Max 7.7 8 8.3 7.6 7.6 39 8 8 60 45 140 1.7 8.4 8.4 175 125 40 80 5.5 0.1 1.5 -
Vo
Output Voltage
V
Vo Vo IQ
Line Regulation Load Regulation
mV mV mA mA uV dB mA V
Quiescent Current Quiescent Current IQ Change Vn Output Noise Voltage Vin / Vout Ripple Rejection Peak Output / Short Isc -Circuit Current VD Dropout Voltage
PL78L08M3
CYStek Product Specification
CYStech Electronics Corp.
Characteristic Curves
Dropout Characteristics
Spec. No. : C517M3 Issued Date : 2003.04.02 Revised Date : .. Page No. : 3/4
Maximum Average Power Dissipation 6 5 4 3 2
Io=100mA 10000
Output Voltage(V)
Io=1mA Io=40mA
Power Dissipation (mW)
1000
1 0 1 2 3 4 5 6 7 8 9 10
100 25 50 75 100 125 150
Input Voltage(V)
Quiescent Current 4 3.5 Quiescent Current(mA) Quiescent Current(mA) 3 2.5 2 1.5 1 0.5 0 0 5 10 15 20 25 Input Voltage(V) 30 35 2.6 0 3.2 3.4
Ambient Temperature (C)
Quiescent Current
3
2.8
50 100 Ambient Temperature(C)
150
PL78L08M3
CYStek Product Specification
CYStech Electronics Corp.
SOT-89 Dimension
Marking:
A
Spec. No. : C517M3 Issued Date : 2003.04.02 Revised Date : .. Page No. : 4/4
1
2
C
3
H
78L08 78L05
B
D
Style: Pin 1. Vout 2. GND 3. Vin
E F G I
3-Lead SOT-89 Plastic Surface Mounted Package CYStek Package Code: M3
*: Typical
DIM A B C D E
Inches Min. Max. 0.1732 0.1811 0.1594 0.1673 0.0591 0.0663 0.0945 0.1024 0.01417 0.0201
Millimeters Min. Max. 4.40 4.60 4.05 4.25 1.50 1.70 2.40 2.60 0.36 0.51
DIM F G H I
Inches Min. Max. 0.0583 0.0598 0.1165 0.1197 0.0551 0.0630 0.0138 0.0161
Millimeters Min. Max. 1.48 1.527 2.96 3.04 1.40 1.60 0.35 0.41
Notes: 1.Controlling dimension: millimeters.
2.Maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material. 3.If there is any question with packing specification or packing method, please contact your local CYStek sales office.
Material:
* Lead: 42 Alloy ; solder plating * Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0
Important Notice:
* All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of CYStek. * CYStek reserves the right to make changes to its products without notice. * CYStek semiconductor products are not warranted to be suitable for use in Life-Support Applications, or systems. * CYStek assumes no liability for any consequence of customer product design, infringement of patents, or application assistance.
PL78L08M3
CYStek Product Specification

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