# LR5966 CMOS IC

## Features
️· Guaranteed Output Current: 5A
️· Shutdown Current: 0.01µA
️· Low Temperature Coefficient
️· Current Limiting Protection
️· Thermal Shutdown Protection
️· Excellent Line/Load Transient

## Ordering Information
️· Package: TO-252-5
️· Options: Lead Free/Halogen Free
️· Packing: Tape Reel/Tube
️· Pin Assignment: I: VIN, O: VOUT, G: GND, S: SHDN, A: SET

## Pin Configuration
1. SHDN (Shutdown)
2. VIN (Power Input)
3. GND (Ground)
4. VOUT (Output Voltage)
5. SET (Adjustable/Fixed Output)

## Pin Description
️· SHDN: Logic low enables shutdown mode (0.01µA current draw). Connect to VIN for normal operation.
️· VIN: Input Voltage (2.25V to 6V).
️· GND: Ground.
️· VOUT: Output Voltage.
️· SET: Connected to ground for fixed output voltage. Connected to resistor divider for adjustable output voltage.

## Absolute Maximum Ratings (TA=25°C)
️· Supply Voltage (VIN): 7V
️· Power Dissipation (PD): 1250mW
️· Junction Temperature (TJ): +125°C
️· Operating Temperature (TOPR): -40°C to +125°C
️· Storage Temperature (TSTG): -65°C to +150°C

## Thermal Data
️· Junction to Ambient (θJA): 64°C/W
️· Junction to Case (θJC): 4°C/W

## Electrical Characteristics (TA=25°C, CIN = 1µF, COUT = 2.2µF)
️· Input Voltage (VIN): 2.25V - 6V
️· Output Voltage Accuracy: -2% to +3%
️· Maximum Output Current (IOUT): 5A
️· Short-Circuit Current Limit (ILIMIT): 7.5A
️· Dropout Voltage (VD): 650mV to 1800mV (depending on VOUT)
️· Shutdown Supply Current (IOFF): 0.01µA to 5µA
️· Power Supply Rejection Ratio (PSRR): 45dB to 60dB (depending on frequency)
️· Thermal Shutdown Temperature (TSHDN): 160°C