Datasheet LTC1693 (Linear Technology) - 5

LTC1693
W U TYPICAL PERFOR A CE CHARACTERISTICS Switching Supply Current vs COUT (Single Driver) VOL vs Output Current
100 300 TA = 25°C VCC = 12V 90 VCC = 12V TA = 25°C 250 80 70 200 60 VOL 50 (mV) 150 OL 40 V 200kHz 100 30 100kHz 25kHz 20 750kHz 50 SWITCHING SUPPLY CURRENT (mA) 10 500kHz 0 0 1 10 100 1000 10000 0 10 20 30 40 50 60 70 80 90 100 COUT (pF) OUTPUT CURRENT (mA) 1693 G13 1693 G14
VOH vs Output Current Thermal Derating Curves
350 1400 TA = 25°C TJ = 125°C VCC = 12V 300 1200 250 1000 V LTC1693-1/LTC1693-2 OH 200 800 (mV) OHV 150 600 LTC1693-3 100 400 POWER DISSIPATION (mW) 50 200 0 0 0 10 20 30 40 50 60 70 80 90 100 – 55 – 35 –15 5 25 45 65 85 105 125 OUTPUT CURRENT (mA) AMBIENT TEMPERATURE (°C) 1693 G15 1693 G16 5