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PJ7818B fiches techniques PDF

Promax-Johnton - 3-Terminal Fixed Voltage Positive Regulators

Numéro de référence PJ7818B
Description 3-Terminal Fixed Voltage Positive Regulators
Fabricant Promax-Johnton 
Logo Promax-Johnton 





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PJ7818B fiche technique
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PJ7800B Series
3-Terminal Fixed Voltage Positive Regulators
These voltage regulators are monolithic integrated
circuits designed as fixed-voltage regulators for a wide
variety of applications including local, on-card regulation.
These regulators employ internal current limiting, thermal
shutdown, and safe-area
compensation.
FEATURES
Output Current up to 1 Ampere
No External Components Required
Internal Thermal Overload Protection
Internal Short-Circuit Current Limiting
Output Transistor Safe-Area Compensation
Output Voltage Offered in 4% Tolerance
CIRCUIT SCHEMATIC
Representative Schematic Diagram
With adequate heatsinking they can deliver output currents
up to 1 ampere.
Although designed primarily as a fixed voltage
regulator, these devices can be used with external
components to obtain adjustable voltages and currents.
PIN ARRANGEMENT
TO-220
TO-220F
Pin: 1.Input
2.Ground
3.Output
(Heatsink surface connected to Pin 2.)
ORDERING INFORMATION
Device
PJ78xxCZ
PJ78xxCI
Operating Temperature
0°C ~ +70°C
Package
TO-220
TO-220F
Standard Application
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.
XX = these two digits of the type number indicate
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.
1-9 2003/06.rev.B

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