Datasheet LT1761 (Analog Devices) - 10

LT1761 Series
TYPICAL PERFORMANCE CHARACTERISTICS LT1761-2 LT1761-2.5 LT1761-2.8 GND Pin Current GND Pin Current GND Pin Current
2.50 2.50 2.50 TJ = 25°C TJ = 25°C TJ = 25°C 2.25 *FOR VOUT = 2V 2.25 *FOR VOUT = 2.5V 2.25 *FOR VOUT = 2.8V 2.00 2.00 RL = 25Ω 2.00 RL = 28Ω IL = 100mA I 1.75 RL = 20Ω 1.75 1.75 L = 100mA IL = 100mA* 1.50 1.50 1.50 1.25 1.25 1.25 R RL = 50Ω RL = 56Ω 1.00 L = 40Ω 1.00 1.00 I I I L = 50mA* L = 50mA* L = 50mA* 0.75 0.75 0.75 GND PIN CURRENT (mA) GND PIN CURRENT (mA) GND PIN CURRENT (mA) 0.50 RL = 2k R R R L = 200Ω 0.50 L = 2.5k RL = 250Ω 0.50 L = 2.8k RL = 280Ω IL = 1mA* I IL = 1mA* I IL = 1mA* I 0.25 L = 10mA* 0.25 L = 10mA* 0.25 L = 10mA* 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) 1761 G04 1761 G20 1761 G56
LT1761-3 LT1761-3.3 LT1761-5 GND Pin Current GND Pin Current GND Pin Current
2.50 2.50 2.50 TJ = 25°C TJ = 25°C TJ = 25°C 2.25 *FOR VOUT = 3V 2.25 *FOR VOUT = 3.3V 2.25 *FOR VOUT = 5V 2.00 2.00 2.00 RL = 50Ω 1.75 R 1.75 1.75 L = 30Ω R I L = 33Ω L = 100mA 1.50 IL = 100mA* 1.50 IL = 100mA* 1.50 1.25 1.25 1.25 R R L = 100Ω 1.00 RL = 60Ω 1.00 L = 66Ω 1.00 IL = 50mA* I I L = 50mA* L = 50mA* 0.75 0.75 0.75 GND PIN CURRENT (mA) GND PIN CURRENT (mA) GND PIN CURRENT (mA) R 0.50 RL = 3k R R L = 5k L = 300Ω 0.50 L = 3.3k RL = 330Ω 0.50 RL = 500Ω I I L = 1mA* I IL = 1mA* I L = 1mA* IL = 10mA* 0.25 L = 10mA* 0.25 L = 10mA* 0.25 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) 1761 G21 1761 G22 1761 G23
LT1761-BYP, LT1761-SD SHDN Pin Threshold GND Pin Current GND Pin Current vs ILOAD (On to Off)
2.50 2.50 1.0 TJ = 25°C VIN = VOUT(NOMINAL) + 1V IL = 1mA 2.25 *FOR VOUT = 1.22V 2.25 0.9 2.00 R 0.8 L = 12.2Ω 2.00 I 1.75 L = 100mA* 1.75 0.7 1.50 1.50 0.6 1.25 R 1.25 0.5 L = 24.4Ω 1.00 IL = 50mA* 1.00 0.4 PIN THRESHOLD (V) 0.75 0.75 0.3 GND PIN CURRENT (mA) GND PIN CURRENT (mA) SHDN 0.50 RL = 1.22k RL = 122Ω 0.50 0.2 IL = 1mA* I 0.25 L = 10mA* 0.25 0.1 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 10 20 30 40 50 60 70 80 90 100 –50 –25 0 25 50 75 100 125 INPUT VOLTAGE (V) OUTPUT CURRENT (mA) TEMPERATURE (°C) 1761 G24 1761 G25 1761 G26 1761sff 10 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS APPLICATIONS INFORMATION PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS