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H78XX Series Pin Assignment Schematic DiagramEquivalent Circuit 1 2 3 Ta b 1 2 3 13 2 Starting Circuit Reference Voltage Current Generator Error Amplifier SOA Protection Thermal Protection Series Pass Element Output GND Input 1 2 3 Ta b 3-Lead Plastic TO-251 Package Code: I Pin 1: V IN Pin 2 & Tab: GND Pin 3: V OUT 3-Lead Plastic TO-252 Package Code: J Pin 1: V IN Pin 2 & Tab: GND Pin 3: V OUT 1 2 3 Ta b 3-Lead Plastic SOT-82 Package Code: NE Pin 1: V IN Pin 2: GND Pin 3: V OUT 3-Lead Plastic TO-220AB Package Code: E Pin 1: V IN Pin 2 & Tab: GND Pin 3: V OUT VOUT VIN
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