PJ7905 Regulator IC (7905 IC) – Negative Voltage Regulator
The PJ7905 Regulator IC is a negative voltage regulator designed to deliver a stable -5V output for electronic circuits. Ideal for power supply applications that require a constant negative voltage, the 7905 IC is commonly used in analog circuits, op-amp biasing, and other negative rail configurations. It comes in a standard TO-220 package for easy mounting and efficient heat dissipation.
Features:
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Fixed -5V Output Voltage
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Output Current: Up to 1.5A
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Input Voltage Range: -7V to -24V
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Internal Current Limiting and Thermal Shutdown
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Short-Circuit Protection
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TO-220 Package for easy heatsink mounting
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Low standby current
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High reliability and robust design
Applications:
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Dual polarity power supplies
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Analog and audio circuitry
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Operational amplifier circuits
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Embedded systems needing negative biasing
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Lab power supplies and DIY electronics
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Voltage regulation in communication equipment
Specifications:
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Model: PJ7905
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Type: Linear Negative Voltage Regulator
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Output Voltage: -5V ±5%
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Max Output Current: 1.5A
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Package: TO-220
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Pin Configuration: Input, Ground, Output
How to Use:
Connect the input pin to a negative DC source (e.g., -12V), and ground the middle pin. The output pin will provide a stable -5V, perfect for circuits that require negative voltage. Add input/output capacitors for improved stability.
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