Datasheet LT1762 (Analog Devices) - 7

LT1762 Series
TYPICAL PERFORMANCE CHARACTERISTICS LT1762 LT1762-2.5 LT1762-3 GND Pin Current GND Pin Current GND Pin Current
800 5.0 5.0 TJ = 25°C TJ = 25°C TJ = 25°C 700 VIN = VSHDN 4.5 V 4.5 IN = VSHDN VIN = VSHDN *FOR VOUT = 1.22V 4.0 *FOR VOUT = 2.5V 4.0 *FOR VOUT = 3V 600 μA) RL = 48.8Ω I 3.5 3.5 R L = 25mA* RL = 16.7Ω L = 20Ω 500 I 3.0 IL = 150mA* 3.0 L = 150mA* 400 R 2.5 2.5 L = 122Ω I R 300 L = 10mA* 2.0 L = 25Ω 2.0 RL = 30Ω I I 1.5 L = 100mA* 1.5 L = 100mA* GND PIN CURRENT ( 200 GND PIN CURRENT (mA) GND PIN CURRENT (mA) RL = 1.22k 1.0 R 1.0 R L = 50Ω L = 60Ω 100 IL = 1mA* I 0.5 IL = 50mA* 0.5 L = 50mA* 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) 1762 G19 1762 G20 1762 G21
LT1762-3.3 LT1762-5 LT1762 GND Pin Current GND Pin Current GND Pin Current
5.0 5.0 5.0 T T T 4.5 J = 25°C J = 25°C J = 25°C V 4.5 4.5 IN = VSHDN VIN = VSHDN VIN = VSHDN 4.0 *FOR VOUT = 3.3V 4.0 *FOR VOUT = 5V 4.0 *FOR VOUT = 1.22V R 3.5 R R L = 8.07Ω L = 22Ω 3.5 L = 33.3Ω 3.5 I I L = 150mA* L = 150mA* 3.0 IL = 150mA* 3.0 3.0 RL = 12.2Ω 2.5 2.5 2.5 IL = 100mA* 2.0 RL = 33Ω 2.0 RL = 50Ω 2.0 IL = 100mA* IL = 100mA* R 1.5 1.5 1.5 L = 24.4Ω GND PIN CURRENT (mA) GND PIN CURRENT (mA) GND PIN CURRENT (mA) IL = 50mA* 1.0 RL = 66Ω 1.0 RL = 100Ω 1.0 I I 0.5 L = 50mA* 0.5 L = 50mA* 0.5 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) 1762 G22 1762 G23 1762 G24
GND Pin Current vs ILOAD SHDN Pin Threshold (On-to-Off) SHDN Pin Threshold (Off-to-On)
5.0 1.0 1.0 V IL = 1mA 4.5 IN = VOUT(NOMINAL) + 1V 0.9 0.9 4.0 0.8 0.8 3.5 0.7 0.7 IL = 150mA 3.0 0.6 0.6 2.5 0.5 0.5 IL = 1mA 2.0 0.4 0.4 1.5 0.3 0.3 GND PIN CURRENT (mA) 1.0 SHDN PIN THRESHOLD (V) 0.2 SHDN PIN THRESHOLD (V) 0.2 0.5 0.1 0.1 0 0 0 0 20 40 60 80 100 120 140 160 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 1762 G25 1762 G26 1762 G27 Rev B For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Typical Application Related Parts