Datasheet LT1529, LT1529-3.3, LT1529-5 (Analog Devices) - 5

LT1529 LT1529-3.3/LT1529-5
W U TYPICAL PERFOR A CE CH C ARA TERISTICS LT1529-3.3 LT1529-5 LT1529 GND Pin Current GND Pin Current GND Pin Current
5.0 5.0 5.0 TJ = 25°C TJ = 25°C TJ = 25°C 4.5 VOUT = VSENSE 4.5 VOUT = VSENSE 4.5 VOUT = VADJ *FOR V *FOR V *FOR V 4.0 OUT = 3.3V RLOAD = 6.6Ω 4.0 OUT = 5V RLOAD = 10Ω 4.0 OUT = RLOAD = 7.5Ω I 3.75V LOAD = 500mA* ILOAD = 500mA* ILOAD = 500mA* 3.5 3.5 3.5 3.0 3.0 RLOAD = 500Ω 3.0 RLOAD = 375Ω RLOAD = 330Ω ILOAD = 10mA* ILOAD = 10mA* 2.5 ILOAD = 10mA* 2.5 2.5 RLOAD = 12.5Ω 2.0 R 2.0 R 2.0 I LOAD = 11Ω LOAD = 16.6Ω LOAD = 300mA* I ILOAD = 300mA* 1.5 LOAD = 300mA* 1.5 1.5 GND PIN CURRENT (mA) R GND PIN CURRENT (mA) GND PIN CURRENT (mA) LOAD = 33Ω RLOAD = 38Ω 1.0 I R LOAD = 100mA* 1.0 LOAD = 50Ω 1.0 ILOAD = 100mA* ILOAD = 100mA* 0.5 0.5 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) LT1529 • G10 LT1529 • G11 LT1529 • G12
LT1529-3.3 LT1529-5 LT1529 GND Pin Current GND Pin Current GND Pin Current
100 100 100 T *FOR V T T J = 25°C OUT = 3.3V J = 25°C J = 25°C 90 V 90 V 90 V OUT = VSENSE OUT = VSENSE R OUT = VADJ LOAD = 1.7Ω *FOR V *FOR V 80 RLOAD = 1.1Ω 80 OUT = 5V ILOAD = 3A* 80 OUT = 3.75V RLOAD = 1.25W ILOAD = 3A* ILOAD = 3A* 70 70 70 60 60 RLOAD = 7.1Ω 60 ILOAD = 700mA* 50 50 50 R R LOAD = 4.7Ω LOAD = 5.3Ω 40 40 40 I I LOAD = 700mA* LOAD = 700mA* 30 30 30 R R R GND PIN CURRENT (mA) LOAD = 2.2Ω GND PIN CURRENT (mA) LOAD = 3.3Ω GND PIN CURRENT (mA) LOAD = 2.5Ω 20 ILOAD = 1.5A* 20 ILOAD = 1.5A* 20 ILOAD = 1.5A* 10 10 10 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) LT1529 • G13 LT1529 • G14 LT1529 • G15
SHDN Pin Threshold SHDN Pin Threshold GND Pin Current (On-to-Off) (Off-to-On)
100 2.0 2.0 VIN = 3.75V (LT1529) ILOAD = 1mA 90 1.8 1.8 VIN = 3.3V (LT1529-3.3) I V LOAD = 3A 80 IN = 5V (LT1529-5) 1.6 1.6 DEVICE IS OPERATING 70 IN DROPOUT 1.4 1.4 60 TJ = 25°C 1.2 1.2 ILOAD = 1mA 50 1.0 1.0 TJ = 125°C 40 0.8 0.8 TJ = –50°C 30 0.6 0.6 SHDN THRESHOLD (V) SHDN THRESHOLD (V) GND PIN CURRENT (mA) 20 0.4 0.4 10 0.2 0.2 0 0 0 0 0.5 1.0 1.5 2.0 2.5 3.0 – 50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (A) TEMPERATURE (°C) TEMPERATURE (°C) LT1529 • G16 LT1529 • G17 LT1529 • G18 152935fb 5