Datasheet LTM4637 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | 20A DC/DC µModule Step-Down Regulator |
| Pages / Page | 30 / 6 — Typical perForMance characTerisTics. 2.5V Transient Response. 3.3V … |
| File Format / Size | PDF / 624 Kb |
| Document Language | English |
Typical perForMance characTerisTics. 2.5V Transient Response. 3.3V Transient Response. 5V Transient Response. Turn-On No Load
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Text Version of Document
LTM4637
Typical perForMance characTerisTics 2.5V Transient Response 3.3V Transient Response 5V Transient Response
OUTPUT OUTPUT OUTPUT TRANSIENT TRANSIENT TRANSIENT 50mV/DIV 50mV/DIV 100mV/DIV 200µs/DIV 200µs/DIV 200µs/DIV LOAD STEP LOAD STEP LOAD STEP 5A/DIV 5A/DIV 5A/DIV V 4637 G10 4637 G11 4637 G12 IN = 12V 200µs/DIV VIN = 12V 200µs/DIV VIN = 12V 200µs/DIV VOUT = 2.5V VOUT = 3.3V VOUT = 5V IOUT = 0A TO 10A, CFF = 330pF IOUT = 0A TO 10A, CFF = 330pF IOUT = 0A TO 10A, CFF = 330pF OUTPUT CAPACITORS: OUTPUT CAPACITORS: OUTPUT CAPACITORS: 3 × 470µF POSCAP CAPACITORS 3 × 470µF POSCAP CAPACITORS 3 × 470µF POSCAP CAPACITORS 2 × 100µF CERAMIC CAPACITORS 2 × 100µF CERAMIC CAPACITORS 2 × 100µF CERAMIC CAPACITORS
Turn-On No Load Turn-On 20A Load
VIN VIN 2V/DIV 2V/DIV 20ms/DIV 20ms/DIV VOUT VOUT 200mV/DIV 200mV/DIV 20ms/DIV 20ms/DIV 20ms/DIV 4637 G13 20ms/DIV 4637 G14 12V to 1.5V AT 0A LOAD 12V to 1.5V AT 20A LOAD TRACK/SS = 0.1µF TRACK/SS = 0.1µF
Short-Circuit Protection with 20A Short-Circuit Protection No Load Load
VOUT VOUT 500mV/DIV 500mV/DIV 200µs/DIV 200µs/DIV INPUT INPUT CURRENT CURRENT 1A/DIV 200mA/DIV 200µs/DIV 4637 G15 200µs/DIV 4637 G16 12V to 1.5V AT 0A LOAD 12V to 1.5V AT 20A LOAD TRACK/SS = 0.1µF TRACK/SS = 0.1µF 4637fc 6 For more information www.linear.com/LTM4637 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package PHOTO Typical Application Related Parts Design Resources
Typical perForMance characTerisTics 2.5V Transient Response 3.3V Transient Response 5V Transient Response
OUTPUT OUTPUT OUTPUT TRANSIENT TRANSIENT TRANSIENT 50mV/DIV 50mV/DIV 100mV/DIV 200µs/DIV 200µs/DIV 200µs/DIV LOAD STEP LOAD STEP LOAD STEP 5A/DIV 5A/DIV 5A/DIV V 4637 G10 4637 G11 4637 G12 IN = 12V 200µs/DIV VIN = 12V 200µs/DIV VIN = 12V 200µs/DIV VOUT = 2.5V VOUT = 3.3V VOUT = 5V IOUT = 0A TO 10A, CFF = 330pF IOUT = 0A TO 10A, CFF = 330pF IOUT = 0A TO 10A, CFF = 330pF OUTPUT CAPACITORS: OUTPUT CAPACITORS: OUTPUT CAPACITORS: 3 × 470µF POSCAP CAPACITORS 3 × 470µF POSCAP CAPACITORS 3 × 470µF POSCAP CAPACITORS 2 × 100µF CERAMIC CAPACITORS 2 × 100µF CERAMIC CAPACITORS 2 × 100µF CERAMIC CAPACITORS
Turn-On No Load Turn-On 20A Load
VIN VIN 2V/DIV 2V/DIV 20ms/DIV 20ms/DIV VOUT VOUT 200mV/DIV 200mV/DIV 20ms/DIV 20ms/DIV 20ms/DIV 4637 G13 20ms/DIV 4637 G14 12V to 1.5V AT 0A LOAD 12V to 1.5V AT 20A LOAD TRACK/SS = 0.1µF TRACK/SS = 0.1µF
Short-Circuit Protection with 20A Short-Circuit Protection No Load Load
VOUT VOUT 500mV/DIV 500mV/DIV 200µs/DIV 200µs/DIV INPUT INPUT CURRENT CURRENT 1A/DIV 200mA/DIV 200µs/DIV 4637 G15 200µs/DIV 4637 G16 12V to 1.5V AT 0A LOAD 12V to 1.5V AT 20A LOAD TRACK/SS = 0.1µF TRACK/SS = 0.1µF 4637fc 6 For more information www.linear.com/LTM4637 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package PHOTO Typical Application Related Parts Design Resources
