Datasheet LTC3601 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | 1.5A, 15V Monolithic Synchronous Step-Down Regulator |
| Páginas / Página | 26 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VIN = 12V, fO = 1MHz, L = … |
| Formato / tamaño de archivo | PDF / 421 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VIN = 12V, fO = 1MHz, L = 2.2µH unless otherwise noted
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LTC3601
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VIN = 12V, fO = 1MHz, L = 2.2µH unless otherwise noted. Output Voltage vs Time Output Voltage vs Time Burst Mode Operation Forced Continuous Mode Output Tracking
VOUT SW SW 5V/DIV 5V/DIV TRACK VOUT VOUT 20mV/DIV 20mV/DIV AC COUPLED AC COUPLED VFB IL I 1A/DIV L 1A/DIV 2µs/DIV 3601 G12 VIN = 12V 2µs/DIV 3601 G13 VIN = 12V 2ms/DIV 3601 G14 VIN = 12V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V ILOAD = 100mA ILOAD = 100mA RLOAD = 36Ω
Start-Up from Shutdown Start-Up from Shutdown Load Step Burst Mode Operation Forced Continuous Mode Burst Mode Operation
RUN RUN V 2V/DIV OUT 2V/DIV 100mV/DIV PGOOD AC COUPLED 5V/DIV VOUT IL VOUT 1V/DIV 1A/DIV 2V/DIV IL ILOAD I 1A/DIV 1A/DIV L 1A/DIV 200µs/DIV 3601 G15 VIN = 12V 200µs/DIV 3601 G16 VIN = 12V 10µs/DIV 3601 G17 VIN = 12V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V ILOAD = 20mA ILOAD = 1.5A ILOAD = 150mA TO 1.5A
Start-Up Into Pre-Biased Output Load Step Short-Circuit Waveforms (1V Pre-Bias) Burst Mode Forced Continuous Mode Forced Continuous Mode Operation
V RUN OUT PGOOD 100mV/DIV 2V/DIV 10V/DIV AC COUPLED PGOOD 5V/DIV IL VOUT 1A/DIV 1V/DIV VOUT 1V/DIV I I L LOAD 2A/DIV 1A/DIV IL 1A/DIV 10µs/DIV 3601 G18 VIN = 12V 100µs/DIV 3601 G19 VIN = 12V 1ms/DIV 3601 G20 VIN = 12V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V ILOAD = 150mA TO 1.5A ILOAD = 5mA 3601fc 6 For more information www.linear.com/LTC3601 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VIN = 12V, fO = 1MHz, L = 2.2µH unless otherwise noted. Output Voltage vs Time Output Voltage vs Time Burst Mode Operation Forced Continuous Mode Output Tracking
VOUT SW SW 5V/DIV 5V/DIV TRACK VOUT VOUT 20mV/DIV 20mV/DIV AC COUPLED AC COUPLED VFB IL I 1A/DIV L 1A/DIV 2µs/DIV 3601 G12 VIN = 12V 2µs/DIV 3601 G13 VIN = 12V 2ms/DIV 3601 G14 VIN = 12V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V ILOAD = 100mA ILOAD = 100mA RLOAD = 36Ω
Start-Up from Shutdown Start-Up from Shutdown Load Step Burst Mode Operation Forced Continuous Mode Burst Mode Operation
RUN RUN V 2V/DIV OUT 2V/DIV 100mV/DIV PGOOD AC COUPLED 5V/DIV VOUT IL VOUT 1V/DIV 1A/DIV 2V/DIV IL ILOAD I 1A/DIV 1A/DIV L 1A/DIV 200µs/DIV 3601 G15 VIN = 12V 200µs/DIV 3601 G16 VIN = 12V 10µs/DIV 3601 G17 VIN = 12V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V ILOAD = 20mA ILOAD = 1.5A ILOAD = 150mA TO 1.5A
Start-Up Into Pre-Biased Output Load Step Short-Circuit Waveforms (1V Pre-Bias) Burst Mode Forced Continuous Mode Forced Continuous Mode Operation
V RUN OUT PGOOD 100mV/DIV 2V/DIV 10V/DIV AC COUPLED PGOOD 5V/DIV IL VOUT 1A/DIV 1V/DIV VOUT 1V/DIV I I L LOAD 2A/DIV 1A/DIV IL 1A/DIV 10µs/DIV 3601 G18 VIN = 12V 100µs/DIV 3601 G19 VIN = 12V 1ms/DIV 3601 G20 VIN = 12V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V ILOAD = 150mA TO 1.5A ILOAD = 5mA 3601fc 6 For more information www.linear.com/LTC3601 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Related Parts