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MC78L00 Datasheet(PDF) 1 Page - Motorola, Inc |
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MC78L00 Datasheet(HTML) 1 Page - Motorola, Inc |
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MC78L00, A Series Order this document by MC78L00/D DEVICE TYPE/NOMINAL VOLTAGE D SUFFIX PLASTIC PACKAGE CASE 751 (SOP–8)* P SUFFIX CASE 29 8 1 2 3 1 Pin 1. Vout 2. GND 3. GND 4. NC 5. NC 6. GND 7. GND 8. Vin * SOP–8 is an internally modified SO–8 package. Pins 2, 3, 6, and 7 are electrically common to the die attach flag. This internal lead frame modification decreases package thermal resistance and increases power dissipation capability when appropriately mounted on a printed circuit board. SOP–8 conforms to all external dimensions of the standard SO–8 package. Pin 1. Output 2. GND 3. Input Standard Application A common ground is required between the input and the output voltages. The input voltage must remain typically 2.0 V above the output voltage even during the low point on the input ripple voltage. *Cin is required if regulator is located an *appreciable distance from power supply filter. **CO is not needed for stability; however, it does *improve transient response. MC78LXX Input Cin* 0.33 µF CO** Output 10% 5% Voltage MC78L05C MC78L08C MC78L09C MC78L12C MC78L15C MC78L18C MC78L24C MC78L05AC MC78L08AC MC78L09AC MC78L12AC MC78L15AC MC78L18AC MC78L24AC 5.0 8.0 9.0 12 15 18 24 1 MOTOROLA ANALOG IC DEVICE DATA Three-Terminal Low Current Positive Voltage Regulators The MC78L00, A 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 100 mA. Like their higher powered MC7800 and MC78M00 Series cousins, these regulators feature internal current limiting and thermal shutdown making them remarkably rugged. No external components are required with the MC78L00 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. • Wide Range of Available, Fixed Output Voltages • Low Cost • Internal Short Circuit Current Limiting • Internal Thermal Overload Protection • No External Components Required • Complementary Negative Regulators Offered (MC79L00 Series) • Available in either ±5% (AC) or ±10% (C) Selections Representative Schematic Diagram 15k Q1 Q3 Q5 Input Output Ground Q11 Q12 3.0 0–25k 2.85k 5.0k Q10 3.8k Q4 Q6 1.2k 1.9k 19k 2.2k Q9 Q8 C Q7 1.0k 420 Z1 Q2 ORDERING INFORMATION Device Operating Temperature Range Package MC78LXXACD* T 0 12 C SOP–8 MC78LXXACP TJ = 0° to +125°C Plastic Power MC78LXXCP Plastic Power MC78LXXABD* TJ = –40° to +125°C SOP–8 MC78LXXABP* TJ = –40° to +125°C Plastic Power XX indicates nominal voltage *Available in 5, 8, 9, 12 and 15 V devices. © Motorola, Inc. 1996 Rev 3 |
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