Datasheet LTC3119 (Analog Devices) - 10

LTC3119
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. PWM Mode No-Load Input Burst Mode Operation No–Load Maximum Output Current vs Current Input Current Input Current Boost Ratio vs Boost Ratio
50 75 5.0 VOUT = 3.3V VOUT = 3.3V V 46 OUT = 12V V 70 V 4.5 OUT = 5V OUT = 5V fSW = 1MHz VOUT = 12V V 42 OUT = 12V 65 4.0 38 60 3.5 34 55 3.0 30 50 2.5 26 45 2.0 22 INPUT CURRENT (mA) 40 1.5 INPUT CURRENT (μA) OUTPUT CURRENT (A) 18 35 1.0 14 30 0.5 10 25 0 2 4 6 8 10 12 14 16 18 2 4 6 8 10 12 14 16 18 1 1.5 2 2.5 3 3.5 4 4.5 5 INPUT VOLTAGE (V) INPUT VOLTAGE (V) BOOST RATIO 3119 G38 3119 G39 3119 G40
Temperature Rise vs Load Current Load Current Temperature Rise vs Load Current Temperature Rise vs Load Current Load Current
100 130 100 DC2129A DEMO BOARD DC2129A DEMO BOARD DC2129A DEMO BOARD 90 V 118 V 90 OUT = 12V OUT = 12V VOUT = 5V fSW = 1MHz fSW = 2MHz fSW = 1MHz 80 106 80 °C) °C) °C) 70 94 70 60 82 60 50 70 50 TURE RISE ( TURE RISE ( TURE RISE ( 40 58 40 30 46 30 TEMPERA TEMPERA TEMPERA 20 V 34 20 IN = 9V V V IN = 3V V IN = 9V IN = 12V V 10 22 VIN = 12V 10 IN = 5V VIN = 15V V V IN = 12V IN = 15V 0 10 0 1 1.5 2 2.5 3 3.5 4 4.5 5 1 1.5 2 2.5 3 3.5 4 4.5 5 1 1.5 2 2.5 3 3.5 4 4.5 5 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 3119 G41 3119 G42 3119 G43
Temperature Rise vs Pulsed Load Maximum Output Current Temperature Rise vs Load Current Duty Cycle V Load Current OUT = 5V
100 100 8.0 DC2129A DEMO BOARD DC2129A DEMO BOARD PULSED LOAD 90 V 90 OUT = 5V VIN = 13V 7.0 CONTINUOUS LOAD f 80 SW = 2MHz V 80 OUT = 12V f 6.0 °C) SW = 1MHz 70 °C) 70 500Hz PULSE LOAD = 5A STANDBY LOAD = 0.25A 60 60 5.0 50 50 4.0 TURE RISE ( TURE RISE ( 40 40 3.0 30 30 DC2129A DEMO BOARD TEMPERA TEMPERA OUTPUT CURRENT (A) 2.0 20 f V SW = 750kHz IN = 3V 20 100Hz PULSE LOAD VIN = 5V 10 1.0 20% DUTY CYCLE V 10 IN = 12V STANDBY LOAD = 0.25A 0 0 0 1 1.5 2 2.5 3 3.5 4 4.5 5 0 10 20 30 40 50 60 70 80 90 100 2 4 6 8 10 12 14 16 18 LOAD CURRENT (A) LOAD DUTY CYCLE (%) INPUT VOLTAGE (V) 3119 G44 3119 G45 3119 G51 3119fb 10 For more information www.linear.com/LTC3119 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Introduction PWM Mode Operation VCC Regulator Current Mode Control Error Amplifiers Current Limit and Zero Current Detection Soft-Start Maximum Power Point Control (MPPC) Burst Mode Operation Power Good Indicator Thermal Considerations Applications Information Typical Applications Package Description Revision History Typical Application Related Parts