Datasheet LT1963A (Analog Devices) - 9

LT1963A Series
Typical perForMance characTerisTics LT1963A GND Pin Current LT1963A-1.5 GND Pin Current LT1963A-1.8 GND Pin Current
10 100 100 TJ = 25°C T T J = 25°C J = 25°C V 90 90 SHDN = VIN V V SHDN = VIN SHDN = VIN 8 *FOR VOUT = 1.21V 80 *FOR VOUT = 1.5V 80 *FOR VOUT = 1.8V 70 70 6 RL = 4.33, IL = 300mA* 60 60 R R L = 1.2, IL = 1.5A* L = 1, IL = 1.5A* 50 50 4 RL = 1.5, IL = 1A* 40 40 R 30 30 R GND PIN CURRENT (mA) L = 12.1, IL = 100mA* GND PIN CURRENT (mA) L = 1.8, IL = 1A* GND PIN CURRENT (mA) 2 RL = 3, IL = 500mA* 20 20 R 10 L = 121, IL = 10mA* 10 RL = 3.6, IL = 500mA* 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 1963A G16 1963A G17 1963A G43
LT1963A-2.5 GND Pin Current LT1963A-3.3 GND Pin Current LT1963A GND Pin Current
100 100 100 T TJ = 25°C TJ = 25°C 90 J = 25°C V 90 90 SHDN = VIN VSHDN = VIN VSHDN = VIN 80 *FOR VOUT = 2.5V 80 *FOR VOUT = 3.3V 80 *FOR VOUT = 1.21V 70 70 70 RL = 1.67, IL = 1.5A* RL = 2.2, IL = 1.5A* 60 60 60 R 50 50 50 L = 0.81, IL = 1.5A* 40 40 40 RL = 2.5, IL = 1A* 30 30 RL = 3.3, IL = 1A* 30 GND PIN CURRENT (mA) GND PIN CURRENT (mA) GND PIN CURRENT (mA) RL = 1.21, IL = 1A* 20 20 20 10 RL = 5, IL = 500mA* 10 RL = 6.6, IL = 500mA* 10 RL = 2.42, IL = 500mA* 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 1963A G18 1963A G19 1963A G20
GND Pin Current vs ILOAD SHDN Pin Threshold (On-to-Off) SHDN Pin Threshold (Off-to-On)
100 1.0 1.0 VIN = VOUT (NOMINAL) +1V IL = 1mA 90 0.9 0.9 IL = 1.5A 80 0.8 0.8 70 0.7 0.7 60 0.6 0.6 IL = 1mA 50 0.5 0.5 40 0.4 0.4 PIN THRESHOLD (V) PIN THRESHOLD (V) 30 0.3 0.3 GND PIN CURRENT (mA) SHDN SHDN 20 0.2 0.2 10 0.1 0.1 0 0 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (A) TEMPERATURE (°C) TEMPERATURE (°C) 1963A G21 1963A G22 1963A G23 1963aff For more information www.linear.com/LT1963A 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Typical Applications Package Description Typical Application Revision History Related Parts