Datasheet LTM4615 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | Triple Output, Low Voltage DC/DC µModule Regulator |
| Páginas / Página | 24 / 6 — Typical perForMance characTerisTics. Start-Up. VFB vs Temperature. … |
| Formato / tamaño de archivo | PDF / 531 Kb |
| Idioma del documento | Inglés |
Typical perForMance characTerisTics. Start-Up. VFB vs Temperature. Short-Circuit Protection. Current Limit. 1.5V Short, No Load
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LTM4615
Typical perForMance characTerisTics Start-Up Start-Up VFB vs Temperature
806 V 804 OUT VOUT 1V/DIV 1V/DIV 802 I I IN IN 1A/DIV 1A/DIV (mV) 800 V FB 798 VIN = 5V 200µs/DIV 4615 G10 VIN = 5V 200µs/DIV 4615 G11 V 796 OUT = 2.5V VOUT = 2.5V COUT = 100µF COUT = 100µF NO LOAD 4A LOAD 794 (0.01µF SOFT-START CAPACITOR) (0.01µF SOFT-START CAPACITOR) –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) 4615 G12
Short-Circuit Protection Short-Circuit Protection Current Limit 1.5V Short, No Load 1.5V Short, 4A Load
1.6 1.4 VOUT VOUT 1.2 0.5V/DIV 0.5V/DIV 1.0 (V) I I IN IN 0.8 1A/DIV 1A/DIV V OUT 0.6 0.4 VOUT = 1.5V VIN = 5V 20µs/DIV 4615 G14 100µs/DIV 4615 G15 0.2 VIN = 3.3V VIN = 2.5V 0 3 4 5 6 7 8 OUTPUT CURRENT (A) 4615 G13
VLDO VFB3 vs Temperature Dropout Voltage vs Input Voltage Ripple Rejection
404 200 60 VFB3 = 0.38V 10kHz 403 180 ILDO_OUT =1.5A 160 50 402 1MHz 140 40 401 1mA 120 100kHz 400 100 30 1.5A 399 80 DROPOUT (mV) FB3 VOLTAGE (mV) 60 20 398 –40°C RIPPLE REJECTION (dB) VBOOST3 = 5V V 40 BOOST3 = 5V 25°C 10 VLDO_OUT =1.2V 397 VLDO_IN = 1.5V 20 85°C IOUT = 800mA VLDO_OUT =1.2V 125°C COUT = 10µF 396 0 0 –50 –25 0 25 50 75 100 125 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 TEMPERATURE (°C) VLDO_IN (V) VLDO_IN (V) 4615 G16 4615 G17 4615 G18 4615fb 6 For more information www.linear.com/LTM4615 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photograph Related Parts
Typical perForMance characTerisTics Start-Up Start-Up VFB vs Temperature
806 V 804 OUT VOUT 1V/DIV 1V/DIV 802 I I IN IN 1A/DIV 1A/DIV (mV) 800 V FB 798 VIN = 5V 200µs/DIV 4615 G10 VIN = 5V 200µs/DIV 4615 G11 V 796 OUT = 2.5V VOUT = 2.5V COUT = 100µF COUT = 100µF NO LOAD 4A LOAD 794 (0.01µF SOFT-START CAPACITOR) (0.01µF SOFT-START CAPACITOR) –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) 4615 G12
Short-Circuit Protection Short-Circuit Protection Current Limit 1.5V Short, No Load 1.5V Short, 4A Load
1.6 1.4 VOUT VOUT 1.2 0.5V/DIV 0.5V/DIV 1.0 (V) I I IN IN 0.8 1A/DIV 1A/DIV V OUT 0.6 0.4 VOUT = 1.5V VIN = 5V 20µs/DIV 4615 G14 100µs/DIV 4615 G15 0.2 VIN = 3.3V VIN = 2.5V 0 3 4 5 6 7 8 OUTPUT CURRENT (A) 4615 G13
VLDO VFB3 vs Temperature Dropout Voltage vs Input Voltage Ripple Rejection
404 200 60 VFB3 = 0.38V 10kHz 403 180 ILDO_OUT =1.5A 160 50 402 1MHz 140 40 401 1mA 120 100kHz 400 100 30 1.5A 399 80 DROPOUT (mV) FB3 VOLTAGE (mV) 60 20 398 –40°C RIPPLE REJECTION (dB) VBOOST3 = 5V V 40 BOOST3 = 5V 25°C 10 VLDO_OUT =1.2V 397 VLDO_IN = 1.5V 20 85°C IOUT = 800mA VLDO_OUT =1.2V 125°C COUT = 10µF 396 0 0 –50 –25 0 25 50 75 100 125 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 TEMPERATURE (°C) VLDO_IN (V) VLDO_IN (V) 4615 G16 4615 G17 4615 G18 4615fb 6 For more information www.linear.com/LTM4615 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photograph Related Parts