# LM78XX Linear Integrated Circuit

## 3-Terminal 1A Positive Voltage Regulator

Features
· Output current up to 1A
· Fixed output voltages: 3.3V, 4.7V, 5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V, 18V, 24V
· Thermal overload shutdown protection
· Short circuit current limiting
· Output transistor SOA protection

Ordering Information
· Packages: TO-220, TO-220F
· Lead Plating: Normal, Lead-free (LM78XXL)
· Packing: Tube

Marking Information
· TO-220/TO-220F Codes:
- 33: 3.3V
- 47: 4.7V
- 05: 5.0V
- 06: 6.0V
- 07: 7.0V
- 08: 8.0V
- 09: 9.0V
- 10: 10V
- 12: 12V
- 15: 15V
- 18: 18V
- 24: 24V

Absolute Maximum Ratings
· Input Voltage (3.3V-18V output): 35V
· Input Voltage (24V output): 40V
· Output Current: 1A
· Operating Junction Temperature: -20 to +150°C
· Storage Temperature: -55 to +150°C

Thermal Data
· Thermal Resistance (θJA): 65°C/W
· Thermal Resistance (θJC): 5°C/W

Electrical Characteristics (Examples - varies by voltage)
· LM7805 (VIN = 10V):
- Output Voltage: 5.0V (typical)
- Dropout Voltage: 2.0V
- Load Regulation: 50mV
- Line Regulation: 50mV
· LM7833 (VIN = 5.8V):
- Output Voltage: 3.3V (typical)
- Dropout Voltage: 2.0V
- Load Regulation: 33mV
- Line Regulation: 33mV

Application Circuit
· Standard regulator configuration with input, output, and ground connections.
· Bypass capacitors (0.33uF, 0.1uF) recommended for stability.

Key Parameters (varies by model)
· Peak Output Current: 1.8A
· Short Circuit Current: 250mA
· Ripple Rejection: 50-80 dB (varies by voltage)