Datasheet LT3582, LT3582-5, LT3582-12 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | Boost and Single Inductor Inverting DC/DC Converters with Optional I2C Programing and OTP |
| Páginas / Página | 28 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C unless otherwise noted. … |
| Formato / tamaño de archivo | PDF / 328 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C unless otherwise noted. Switching Frequencies (Figure 13)
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LT3582/LT3582-5/LT3582-12
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted. Switching Frequencies (Figure 13) Load Regulation (Figure 13) Output Voltage (Figure 13)
10000 1.00 0.45 0.75 0.30 VOUTP 0.50 1000 0.15 0.25 (%) (%) VOUTN OUT OUT V 0 V OUTN /V OUTP 0 /V VOUTP OUT –0.25 OUT FREQUENCY (kHz) 100 ΔV VOUTN ΔV –0.15 –0.50 –0.30 –0.75 10 –1.00 –0.45 0 20 40 60 80 100 0 20 40 60 80 100 –50 –25 0 25 50 75 100 125 LOAD CURRENT (mA) LOAD CURRENT (mA) TEMPERATURE (°C) 3582512 G01 3582512 G02 3582512 G03
Quiescent Current – Not Switching Switch Resistance Switch Current Limit
390 O.7 700 370 0.6 VOUTN SWN 600 350 0.5 VOUTP 500 330 ANCE (Ω) 0.4 310 0.3 400 290 0.2 QUIESCENT CURRENT (μA) SWITCH RESIST SWP SWITCH CURRENT LIMIT (mA) 300 270 0.1 250 0 200 2.5 3 3.5 4 4.5 5 5.5 2.5 3 3.5 4 4.5 5 5.5 –50 –25 0 25 50 75 100 125 VIN (V) INPUT VOLTAGE (V) TEMPERATURE (°C) 3582512 G04 3582512 G05 3582512 G06
VOUTP and VOUTN Pin Current Output Disconnect PMOS Current Output Disconnect PMOS During Normal Operation Limit During Normal Operation On-Resistance
80 200 2.5 CURRENT INTO 60 VOUTP PIN 180 40 VP CODE 2 SET TO 12V 20 VP CODE SET TO 5V 160 1.5 0 ANCE (Ω) VN CODE –20 SET TO –5V 140 V 1 N CODE –40 PIN CURRENT (μA) SET TO –12V ON-RESIST –60 PMOS CURRENT LIMIT (mA) 120 0.5 CURRENT OUT –80 OF VOUTN PIN –100 100 0 0 2.5 5 7.5 10 12.5 15 –50 –25 0 25 50 75 100 125 2 4 6 8 10 12 |VOUT| (V) TEMPERATURE (°C) VCAPP (V) 3582512 G07 3582512 G08 3582512 G09 3582512fb 6
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted. Switching Frequencies (Figure 13) Load Regulation (Figure 13) Output Voltage (Figure 13)
10000 1.00 0.45 0.75 0.30 VOUTP 0.50 1000 0.15 0.25 (%) (%) VOUTN OUT OUT V 0 V OUTN /V OUTP 0 /V VOUTP OUT –0.25 OUT FREQUENCY (kHz) 100 ΔV VOUTN ΔV –0.15 –0.50 –0.30 –0.75 10 –1.00 –0.45 0 20 40 60 80 100 0 20 40 60 80 100 –50 –25 0 25 50 75 100 125 LOAD CURRENT (mA) LOAD CURRENT (mA) TEMPERATURE (°C) 3582512 G01 3582512 G02 3582512 G03
Quiescent Current – Not Switching Switch Resistance Switch Current Limit
390 O.7 700 370 0.6 VOUTN SWN 600 350 0.5 VOUTP 500 330 ANCE (Ω) 0.4 310 0.3 400 290 0.2 QUIESCENT CURRENT (μA) SWITCH RESIST SWP SWITCH CURRENT LIMIT (mA) 300 270 0.1 250 0 200 2.5 3 3.5 4 4.5 5 5.5 2.5 3 3.5 4 4.5 5 5.5 –50 –25 0 25 50 75 100 125 VIN (V) INPUT VOLTAGE (V) TEMPERATURE (°C) 3582512 G04 3582512 G05 3582512 G06
VOUTP and VOUTN Pin Current Output Disconnect PMOS Current Output Disconnect PMOS During Normal Operation Limit During Normal Operation On-Resistance
80 200 2.5 CURRENT INTO 60 VOUTP PIN 180 40 VP CODE 2 SET TO 12V 20 VP CODE SET TO 5V 160 1.5 0 ANCE (Ω) VN CODE –20 SET TO –5V 140 V 1 N CODE –40 PIN CURRENT (μA) SET TO –12V ON-RESIST –60 PMOS CURRENT LIMIT (mA) 120 0.5 CURRENT OUT –80 OF VOUTN PIN –100 100 0 0 2.5 5 7.5 10 12.5 15 –50 –25 0 25 50 75 100 125 2 4 6 8 10 12 |VOUT| (V) TEMPERATURE (°C) VCAPP (V) 3582512 G07 3582512 G08 3582512 G09 3582512fb 6