Datasheet LT3435 (Analog Devices) - 4

LT3435
W U TYPICAL PERFOR A CE CHARACTERISTICS FB Voltage Oscillator Frequency SHDN Threshold
1.30 550 1.40 1.29 540 1.35 1.28 530 1.30 1.27 520 1.26 510 1.25 1.25 500 1.20 VOLTAGE (V) 1.24 490 VOLTAGE (V) 0.15 1.23 FREQUENCY (kHz) 480 1.10 1.22 470 1.05 1.21 460 1.20 450 1.00 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3435 G01 3435 G02 3435 G03
SHDN Pin Current Shutdown Supply Current Sleep Mode Supply Current
5.5 25 200 TJ = 25°C 5.0 180 4.5 20 160 VBIAS = 0V VIN = 60V 4.0 140 µA) 3.5 µA) 15 µA) 120 3.0 100 2.5 10 80 CURRENT ( CURRENT ( CURRENT ( 2.0 60 VBIAS = 5V 1.5 5 40 V 1.0 IN = 42V VIN = 12V 20 0 0 0 0 10 20 30 40 50 60 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 SHDN VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 3435 G04 3435 G05 3435 G06
Bias Sleep Current PGFB Threshold PG Sink Current
200 1.20 250 180 1.18 160 1.16 200 140 1.14 µA) 120 1.12 µA) 150 100 1.10 80 1.08 100 CURRENT ( VOLTAGE (V) CURRENT ( 60 1.06 40 1.04 50 20 1.02 0 1.00 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3435 G07 3435 G08 3435 G09 3435fa 4