# LM5954 LDO Regulator

## Description
· Low ground current linear regulator.
· Operates with input voltage from 6.5V to 25V.
· Delivers output current up to 300mA.
· Typical dropout voltage: 450mV @ 300mA.
· Includes over-temperature and current limit protection.

## Features
· Wide Operating Voltage: 6.5V~25V
· Ultra Low Ground Current: 120μA
· High Output Accuracy: ±2% over temperature
· Low Dropout Voltage: 450mV @ 300mA
· Built-in Current Limit Protection
· Built-in Over Temperature Protection
· Zero Shutdown Current

## Ordering Information
· Package: HSOP-8
· Packing: Tape Reel (-R) or Tube (-T)
· Lead Finish: Lead Free (L) or Halogen Free (G)
· Output Voltage: Specified by “xx” in the ordering number (refer to Marking Information).

## Pin Configuration
· Pin 1: VOUT (Output)
· Pins 2, 3, 6: NC (No Connection)
· Pin 4: ADJ (Output Feedback)
· Pin 5: EN (Enable - Low=ON, High=OFF)
· Pin 7: GND (Ground)
· Pin 8: VIN (Input)

## Electrical Characteristics
· Input Voltage (VIN): 6.5V - 25V
· Output Voltage Accuracy: ±2%
· Quiescent Current (IQ): 75μA (IOUT = 0.1mA), 8-22mA (IOUT = 300mA)
· Dropout Voltage (VD): 50-150mV (IOUT = 0.1mA), 380-600mV (IOUT = 300mA)
· Current Limit (ILIMIT): 350-500mA
· Short Circuit Current (ISHORT): 50mA

## Thermal Characteristics
· Junction to Ambient (θJA): 50°C/W
· Junction to Case (θJC): 20°C/W

## Absolute Maximum Ratings
· Supply Voltage (VCC): -0.3V to +27V
· Feedback Voltage (VFB): -1.5V to +27V
· Junction Temperature (TJ): +125°C
· Storage Temperature (TSTG): -65°C to +150°C