Datasheet LT3090 (Analog Devices) - 6

LT3090
Typical perForMance characTerisTics TJ = 25°C, unless otherwise noted. Quiescent Current Typical Dropout Voltage Guaranteed Dropout Voltage
1.2 450 500 400 450 1.0 TJ ≤ 150°C 400 V 350 SHDN = VIN 0.8 300 350 R 300 L = 125kΩ (10µA) TAGE (mV) 250 TAGE (mV) TJ ≤ 25°C 0.6 VOUT = –1.25V 250 VIN = –1.9V 200 200 0.4 150 150 QUIESCENT CURRENT (mA) DROPOUT VOL 100 –55°C DROPOUT VOL 100 0.2 25°C 50 125°C 50 VSHDN = 0V 150°C 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 0 100 200 300 400 500 600 0 100 200 300 400 500 600 TEMPERATURE (°C) OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) 3090 G10 3090 G11 3090 G12
Dropout Voltage GND Pin Current GND Pin Current Entering Dropout
450 16 14 V V IN = –3.5V OUT(NOMINAL) = –3V 400 14 VOUT = –3V 12 IL = 600mA 350 IL = 600mA 12 10 300 10 8 TAGE (mV) 250 IL = 300mA 8 200 6 IL = 300mA I 6 150 L = 1mA I 4 DROPOUT VOL L = 100mA GND PIN CURRENT (mA) 4 100 –55°C GND PIN CURRENT (mA) IL = 100mA 25°C 2 2 50 125°C IL = 1mA 150°C 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 0 100 200 300 400 500 600 –2.5 –2.6 –2.7 –2.8 –2.9 –3 –3.1 –3.2 –3.3 –3.4 –3.5 TEMPERATURE (°C) OUTPUT CURRENT (mA) INPUT VOLTAGE (V) 3090 G13 3090 G14 3090 G15
Minimum Input Voltage SHDN Turn-On Threshold SHDN Pin Hysteresis
–2.0 1.300 –1.300 0.30 NEGA V V IN = –1.9V IN = –1.9V –1.8 TIVE 1.275 –1.275 0.25 –1.6 SHDN –1.4 TAGE (V) 1.250 –1.250 0.20 –1.2 TURN-ON THRESHOLD (V) –1.0 1.225 –1.225 0.15 –0.8 TURN-ON THERSHOLD (V) PIN HYSTERESIS (V) 1.200 –1.200 0.10 –0.6 SHDN SHDN MINIMUM INPUT VOL –0.4 1.175 –1.175 0.05 –0.2 RSET = 25kΩ POSITIVE SHDN HYSTERESIS IL = 1mA POSITIVE NEGATIVE SHDN HYSTERESIS 0 1.150 –1.150 0 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3090 G16 3090 G18 3090 G17 3090fa 6 For more information www.linear.com/LT3090