L7809CT

Part: L7800 series — STMicroelectronics

Type: Positive Voltage Regulator

Description: The L7800 series is a family of three-terminal positive voltage regulators offering fixed output voltages from 5 V to 24 V, capable of delivering over 1 A output current with adequate heat sinking.

Operating Conditions:

• Operating junction temperature: -55 to 150 °C (for L7800), 0 to 150 °C (for L7800C)
• Output current: Up to 1.5 A

Absolute Maximum Ratings:

• Max DC Input Voltage: 35 V (for V O = 5 to 18V), 40 V (for V O = 20, 24V)
• Max continuous current: Internally Limited
• Max junction/storage temperature: 150 °C

Key Specs:

• Output Voltage (L7805, T J = 25°C): 4.8 V min, 5 V typ, 5.2 V max
• Line Regulation (L7805, V I = 7 to 25 V, T J = 25°C): 3 mV typ, 50 mV max
• Load Regulation (L7805, I O = 5 mA to 1.5 A, T J = 25°C): 100 mV max
• Quiescent Current (L7805, T J = 25°C): 6 mA max
• Output Noise Voltage (L7805, B = 10Hz to 100KHz, T J = 25°C): 40 mV/V O max
• Supply Voltage Rejection (L7805, V I = 8 to 18 V, f = 120Hz): 68 dB min
• Dropout Voltage (L7805, I O = 1 A, T J = 25°C): 2 V typ, 2.5 V max
• Short Circuit Current (L7805, V I = 35 V, T J = 25°C): 0.75 A typ, 1.2 A max

Features:

• Thermal overload protection
• Short circuit protection
• Output transition SOA protection
• Internal current limiting
• Thermal shut-down
• Safe area protection

Applications:

• Local on-card regulation
• Adjustable voltage and current applications (with external components)

Package:

• TO-220
• TO-220FP
• TO-3
• D 2 PAK

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.