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Low Current Positive Voltage Regulator

Spec. No. : C519M3 Issued Date : 2003.04.02 Revised Date : . . Page No. : 1 / 4

CYStech Electronics Corp.
Low Current Positive Voltage Regulator
Spec. No. : C519M3 Issued Date : 2003.04.02 Revised Date : . . Page No. : 1 / 4
PL78L12XM3
SOT-89
Description
The PL78L12XM3 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 PL78L12XM3 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
· 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
Schematic Diagram
PL78L12
5.7K 100 100 1.5K 1.9K Vout 5pF 3.41K 13K 2.23K 7.8K
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
PL78L12M3
CYStek Product Specification
CYStech Electronics Corp.
Electrical Characteristics
Spec. No. : C519M3 Issued Date : 2003.04.02 Revised Date : . . Page No. : 2 / 4
Symbol
Parameter
PL78L12A Units Min Typ Max 11.64 12 12.36 11.4 11.4 40 12 12 80 54 140 1.7 12.6 12.6 180 110 100 50 5 1 0.1 V
Output Voltage
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 Ipk Peak Output Current VD Dropout Voltage Symbol Parameter
PL78L12B Min Typ Max 11.4 12 12.6 11.4 11.4 40 12 12 80 54 140 1.7 12.6 12.6 180 110 100 50 5 1 0.1 -
Output Voltage
Line Regulation Load Regulation
Quiescent Current Quiescent Current IQ Change Vn Output Noise Voltage Vin / Vout Ripple Rejection Ipk Peak Output Current VD Dropout Voltage
PL78L12M3
CYStek Product Specification
CYStech Electronics Corp.
Characteristic Curves
Dropout Characteristics
Spec. No. : C519M3 Issued Date : 2003.04.02 Revised Date : . . Page No. : 3 / 4
Maximum Average Power Dissipation 6 5 4 3 2
Output Voltage(V)
Power Dissipation (mW)
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
50 100 Ambient Temperature(°C)
PL78L12M3
CYStek Product Specification
CYStech Electronics Corp.
SOT-89 Dimension
Marking:
Spec. No. : C519M3 Issued Date : 2003.04.02 Revised Date : . . Page No. : 4 / 4
78L12 78L05
Style: Pin 1. Vout 2. GND 3. Vin
3-Lead SOT-89 Plastic Surface Mounted Package CYStek Package Code: M3
: Typical
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
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.
PL78L12M3
CYStek Product Specification