Datasheet LTM4616 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | Dual 8A per Channel Low VIN DC/DC µModule Regulator |
| Páginas / Página | 30 / 6 — typical perForMance characteristics Specified as Each Channel. Load … |
| Formato / tamaño de archivo | PDF / 792 Kb |
| Idioma del documento | Inglés |
typical perForMance characteristics Specified as Each Channel. Load Transient Response. Start-Up. VFB vs Temperature
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LTM4616
typical perForMance characteristics Specified as Each Channel Load Transient Response Load Transient Response Load Transient Response
ILOAD ILOAD ILOAD 1A/DIV 1A/DIV 1A/DIV 0A 0A 0A VOUT VOUT VOUT 50mV/DIV 50mV/DIV 50mV/DIV V 4616 G10 4616 G11 4616 G12 IN = 5V 20µs/DIV VIN = 5V 20µs/DIV VIN = 5V 20µs/DIV VOUT = 1.8V VOUT = 1.5V VOUT = 1.2V 2.5A/µs STEP 2.5A/µs STEP 2.5A/µs STEP COUT = 2 × 100µF X5R, 470µF 4V POSCAP COUT = 2 × 100µF X5R, 470µF 4V POSCAP COUT = 2 × 100µF X5R, 470µF POSCAP
Start-Up VFB vs Temperature Load Regulation vs Current
602 0 600 V –0.1 OUT 0.5V/DIV VIN = 5.5V 598 –0.2 VIN = 3.3V VIN 2V/DIV (mV) 596 –0.3 V FB VIN = 2.7V 594 –0.4 LOAD REGULATION (%) V 4616 G13 IN = 5V 50µs/DIV 592 FC MODE V –0.5 OUT = 1.5V V C IN = 3.3V OUT = 100µF NO LOAD AND 8A LOAD V (DEFAULT 100µs SOFT-START) OUT = 1.5V 590 –0.6 –50 –25 0 25 50 75 100 125 0 2 4 6 8 TEMPERATURE (°C) LOAD CURRENT (A) 4616 G14 4616 G15
Short-Circuit Protection Short-Circuit Protection 2.5V Output Current (2.5V Short, No Load) (2.5V Short, 4A Load)
3.0 VIN 5V/DIV 2.5 2V/DIV VIN 5V/DIV 2V/DIV V VOUT 2.0 OUT IOUT LOAD 5A/DIV 1.5 5A/DIV IOUT 1.0 OUTPUT VOLTAGE (V) VIN = 5V 50µs/DIV 4616 G17 VIN = 5V 50µs/DIV 4616 G18 0.5 VOUT = 2.5V VOUT = 2.5V 0 0 5 10 15 20 OUTPUT CURRENT (A) 4616 G16 4616ff 6 For more information www.linear.com/LTM4616 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Pin Functions Simplified Block Diagram Operation Applications Information Package Description Revision History Package Photo Related Parts Design Resources
typical perForMance characteristics Specified as Each Channel Load Transient Response Load Transient Response Load Transient Response
ILOAD ILOAD ILOAD 1A/DIV 1A/DIV 1A/DIV 0A 0A 0A VOUT VOUT VOUT 50mV/DIV 50mV/DIV 50mV/DIV V 4616 G10 4616 G11 4616 G12 IN = 5V 20µs/DIV VIN = 5V 20µs/DIV VIN = 5V 20µs/DIV VOUT = 1.8V VOUT = 1.5V VOUT = 1.2V 2.5A/µs STEP 2.5A/µs STEP 2.5A/µs STEP COUT = 2 × 100µF X5R, 470µF 4V POSCAP COUT = 2 × 100µF X5R, 470µF 4V POSCAP COUT = 2 × 100µF X5R, 470µF POSCAP
Start-Up VFB vs Temperature Load Regulation vs Current
602 0 600 V –0.1 OUT 0.5V/DIV VIN = 5.5V 598 –0.2 VIN = 3.3V VIN 2V/DIV (mV) 596 –0.3 V FB VIN = 2.7V 594 –0.4 LOAD REGULATION (%) V 4616 G13 IN = 5V 50µs/DIV 592 FC MODE V –0.5 OUT = 1.5V V C IN = 3.3V OUT = 100µF NO LOAD AND 8A LOAD V (DEFAULT 100µs SOFT-START) OUT = 1.5V 590 –0.6 –50 –25 0 25 50 75 100 125 0 2 4 6 8 TEMPERATURE (°C) LOAD CURRENT (A) 4616 G14 4616 G15
Short-Circuit Protection Short-Circuit Protection 2.5V Output Current (2.5V Short, No Load) (2.5V Short, 4A Load)
3.0 VIN 5V/DIV 2.5 2V/DIV VIN 5V/DIV 2V/DIV V VOUT 2.0 OUT IOUT LOAD 5A/DIV 1.5 5A/DIV IOUT 1.0 OUTPUT VOLTAGE (V) VIN = 5V 50µs/DIV 4616 G17 VIN = 5V 50µs/DIV 4616 G18 0.5 VOUT = 2.5V VOUT = 2.5V 0 0 5 10 15 20 OUTPUT CURRENT (A) 4616 G16 4616ff 6 For more information www.linear.com/LTM4616 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Pin Functions Simplified Block Diagram Operation Applications Information Package Description Revision History Package Photo Related Parts Design Resources