Datasheet LTC3119 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | 18V, 5A Synchronous Buck-Boost DC/DC Converter |
| Páginas / Página | 36 / 6 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. … |
| Formato / tamaño de archivo | PDF / 2.8 Mb |
| Idioma del documento | Inglés |
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Run Pin Current vs Run Pin. Voltage
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LTC3119
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Run Pin Current vs Run Pin Voltage Oscillator Frequency vs RT Oscillator Frequency vs VIN Oscillator Frequency vs V
30 2.0 1.0 25 1.8 0.5 1.6 20 1.4 0 15 = 12V (%) IN 1.2 –0.5 10 1.0 TOR FREQUENCY (MHz) –1.0 5 RUN PIN CURRENT (μA) 0.8 CHANGE FROM V 0 OSCILLA 0.6 –1.5 –5 0.4 –2.0 0 2 4 6 8 10 12 14 16 18 20 50 80 110 140 170 200 2 4 6 8 10 12 14 16 18 VOLTAGE (V) RT PIN RESISTOR (kΩ) INPUT VOLTAGE (V) 3119 G08 3119 G09 3119 G10
Oscillator Frequency vs Temperature FB Voltage vs T FB V emperature oltage vs T
1.0 0.1 0.7 0.0 0.4 ° C (%) ° C (%) –0.1 0.1 –0.2 –0.2 CHANGE FROM 25 CHANGE FROM 25 –0.3 –0.5 –0.8 –0.4 –60 –30 0 30 60 90 120 150 –60 –30 0 30 60 90 120 150 TEMPERATURE (°C) TEMPERATURE (° C) 3119 G11 3119 G12
MPPC Pin Voltage vs SW1, SW2 Minimum Low Time vs Temperature MPPC Voltage vs Temperature Temperature
0.2 5 0.1 4 3 0.0 2 ° C (%) –0.1 ° C (%) 1 –0.2 0 –0.3 –1 –2 CHANGE FROM 25 –0.4 CHANGE FROM 25 –3 –0.5 –4 –0.6 –5 –60 –30 0 30 60 90 120 150 –60 –30 0 30 60 90 120 150 TEMPERATURE ( °C) TEMPERATURE (° C) 3119 G13 3119 G14 3119fb 6 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
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Run Pin Current vs Run Pin Voltage Oscillator Frequency vs RT Oscillator Frequency vs VIN Oscillator Frequency vs V
30 2.0 1.0 25 1.8 0.5 1.6 20 1.4 0 15 = 12V (%) IN 1.2 –0.5 10 1.0 TOR FREQUENCY (MHz) –1.0 5 RUN PIN CURRENT (μA) 0.8 CHANGE FROM V 0 OSCILLA 0.6 –1.5 –5 0.4 –2.0 0 2 4 6 8 10 12 14 16 18 20 50 80 110 140 170 200 2 4 6 8 10 12 14 16 18 VOLTAGE (V) RT PIN RESISTOR (kΩ) INPUT VOLTAGE (V) 3119 G08 3119 G09 3119 G10
Oscillator Frequency vs Temperature FB Voltage vs T FB V emperature oltage vs T
1.0 0.1 0.7 0.0 0.4 ° C (%) ° C (%) –0.1 0.1 –0.2 –0.2 CHANGE FROM 25 CHANGE FROM 25 –0.3 –0.5 –0.8 –0.4 –60 –30 0 30 60 90 120 150 –60 –30 0 30 60 90 120 150 TEMPERATURE (°C) TEMPERATURE (° C) 3119 G11 3119 G12
MPPC Pin Voltage vs SW1, SW2 Minimum Low Time vs Temperature MPPC Voltage vs Temperature Temperature
0.2 5 0.1 4 3 0.0 2 ° C (%) –0.1 ° C (%) 1 –0.2 0 –0.3 –1 –2 CHANGE FROM 25 –0.4 CHANGE FROM 25 –3 –0.5 –4 –0.6 –5 –60 –30 0 30 60 90 120 150 –60 –30 0 30 60 90 120 150 TEMPERATURE ( °C) TEMPERATURE (° C) 3119 G13 3119 G14 3119fb 6 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