Datasheet > PJ78LXXCS

PJ78LXXCS

更新时间： 2024-10-29 06:03:47

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描述
3-Terminal Low Current Positive Voltage Regulators

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PJ78LXXCS 数据手册

PJ78L00

3-Terminal Low Current Positive Voltage Regulators

he PJ78L00 Series of positive voltage Regulators are

T_{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 PJ7800 Series cousins, these

regulators feature internal current limiting and thermal

shutdown making them remarkably rugged. No external

components are required with the PJ78L00 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.

TO-92

SOT-89

PJ78L00

PJ78L00A

Pin 1. Input

1. Output

2. Ground

3. Input

2. Ground

3. Output

Pin 1. Output

2. Ground

3. Input

(Heatsink surface connected to Pin 2)

SOP-8

Pin: 1.Vout 5.Nc

2.Gnd 6.Gnd

3.Gnd 7.Gnd

FEATURES

4.Nc

8.Vin

z Wide Range of Available, Fixed Output Voltages

z Low Cost

z Internal Short Circuit Current Limiting

z Internal Thermal Overload Protection

z No External Components Required

z Complementary Negative Regulators Offered (PJ79L00

Series)

ORDERING INFORMATION

Device

Operating Temperature

Package

TO-92

SOP-8

PJ78LxxCT

PJ78LxxCS

PJ78LxxCY

PJ78LxxACY

-20℃ to +85℃

z Available in ±4% Voltage Tolerance.

SOT-89

TYPICAL CONNECTING CIRCUIT

CIRCUIT SCHEMATIC

STANDARD APPLICATION

REPRESENTATIVE CIRCUIT SCHEMATIC

A common ground is required between the input and the

output voltages. The input voltage must remain typical

2.0V 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 from power supply filter.

**=Co is not needed for stability, however, it does

improve transient response.

1-8

2002/07.rev.A

12 3 4 5 6 7 8

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