Datasheet LTM4631 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | Ultrathin Dual 10A or Single 20A DC/DC μModule Regulator |
| Pages / Page | 34 / 6 — Typical perForMance characTerisTics. Efficiency vs Output Current,. Dual … |
| File Format / Size | PDF / 993 Kb |
| Document Language | English |
Typical perForMance characTerisTics. Efficiency vs Output Current,. Dual Phase Single Output Efficiency. VIN = 5V. VIN = 12V
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LTM4631
Typical perForMance characTerisTics Efficiency vs Output Current, Efficiency vs Output Current, Dual Phase Single Output Efficiency VIN = 5V VIN = 12V vs Output Current, VIN = 12V,
95 90 90 90 85 85 85 80 80 80 75 75 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 1.8V 1.8V 1.8V 75 OUT, 750kHz OUT, 750kHz OUT, 750kHz 1.5VOUT, 750kHz 70 1.5V 70 OUT, 750kHz 1.5VOUT, 750kHz 1.2VOUT, 650kHz 1.2VOUT, 650kHz 1.2VOUT, 650kHz 1.0VOUT, 650kHz 1.0VOUT, 650kHz 1.0VOUT, 650kHz 70 65 65 0 2 4 6 8 10 0 2 4 6 8 10 0 2 4 6 8 10 12 14 16 18 20 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4631 G01 4631 G02 4631 G03
Burst Mode and Pulse-Skip Mode Efficiency VIN=12V, VOUT = 1.2V, 1V Output Single Phase Load 1.2V Output Single Phase Load 650kHz Transient Response Transient Response
100 BURST MODE 90 PULSE-SKIPPING MODE CONTINUOUS MODE 80 VOUT(AC) VOUT(AC) 70 50mV/DIV 50mV/DIV 60 50 40 LOAD STEP LOAD STEP EFFICIENCY (%) 4A/DIV 4A/DIV 30 20 4631 G06 4631 G06 50µs/DIV 50µs/DIV 10 12VIN, 1.0VOUT, 650kHz, 5A-10A Load Step 12VIN, 1.2VOUT, 650kHz, 5A-10A Load Step 0 10A/µs STEP-UP and STEP-DOWN 10A/µs STEP-UP and STEP-DOWN 0.01 0.1 1 10 COUT = 1 × 470µF POSCAP + 1 × 47µF CERAMIC COUT = 1 × 470µF POSCAP + 1 × 47µF CERAMIC LOAD CURRENT (A) 4631 G04
1.5V Output Single Phase Load 1.8V Output Single Phase Load Single Phase Start-Up with No Transient Response Transient Response Load Applied
SW 10V/DIV VOUT(AC) VOUT(AC) 50mV/DIV 50mV/DIV VOUT 500mV/DIV LOAD STEP LOAD STEP RUN 4A/DIV 4A/DIV 2V/DIV 4631 G07 4631 G08 4631 G09 50µs/DIV 50µs/DIV 50ms/DIV 12VIN, 1.5VOUT, 750kHz, 5A-10A Load Step 12VIN, 1.8VOUT, 750kHz, 5A-10A Load Step 12VIN, 1VOUT, 650kHz, No Load 10A/µs STEP-UP and STEP-DOWN 10A/µs STEP-UP and STEP-DOWN COUT = 1 × 470µF POSCAP + 1 × 47µF CERAMIC COUT = 1 × 470µF POSCAP + 1 × 47µF CERAMIC COUT = 1 × 470µF POSCAP + 1 × 47µF CERAMIC CSS = 0.1µF 4631fb 6 For more information www.linear.com/LTM4631 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information typical Applications Package Description Revision History Package PHoto Design Resources Related Parts
Typical perForMance characTerisTics Efficiency vs Output Current, Efficiency vs Output Current, Dual Phase Single Output Efficiency VIN = 5V VIN = 12V vs Output Current, VIN = 12V,
95 90 90 90 85 85 85 80 80 80 75 75 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 1.8V 1.8V 1.8V 75 OUT, 750kHz OUT, 750kHz OUT, 750kHz 1.5VOUT, 750kHz 70 1.5V 70 OUT, 750kHz 1.5VOUT, 750kHz 1.2VOUT, 650kHz 1.2VOUT, 650kHz 1.2VOUT, 650kHz 1.0VOUT, 650kHz 1.0VOUT, 650kHz 1.0VOUT, 650kHz 70 65 65 0 2 4 6 8 10 0 2 4 6 8 10 0 2 4 6 8 10 12 14 16 18 20 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4631 G01 4631 G02 4631 G03
Burst Mode and Pulse-Skip Mode Efficiency VIN=12V, VOUT = 1.2V, 1V Output Single Phase Load 1.2V Output Single Phase Load 650kHz Transient Response Transient Response
100 BURST MODE 90 PULSE-SKIPPING MODE CONTINUOUS MODE 80 VOUT(AC) VOUT(AC) 70 50mV/DIV 50mV/DIV 60 50 40 LOAD STEP LOAD STEP EFFICIENCY (%) 4A/DIV 4A/DIV 30 20 4631 G06 4631 G06 50µs/DIV 50µs/DIV 10 12VIN, 1.0VOUT, 650kHz, 5A-10A Load Step 12VIN, 1.2VOUT, 650kHz, 5A-10A Load Step 0 10A/µs STEP-UP and STEP-DOWN 10A/µs STEP-UP and STEP-DOWN 0.01 0.1 1 10 COUT = 1 × 470µF POSCAP + 1 × 47µF CERAMIC COUT = 1 × 470µF POSCAP + 1 × 47µF CERAMIC LOAD CURRENT (A) 4631 G04
1.5V Output Single Phase Load 1.8V Output Single Phase Load Single Phase Start-Up with No Transient Response Transient Response Load Applied
SW 10V/DIV VOUT(AC) VOUT(AC) 50mV/DIV 50mV/DIV VOUT 500mV/DIV LOAD STEP LOAD STEP RUN 4A/DIV 4A/DIV 2V/DIV 4631 G07 4631 G08 4631 G09 50µs/DIV 50µs/DIV 50ms/DIV 12VIN, 1.5VOUT, 750kHz, 5A-10A Load Step 12VIN, 1.8VOUT, 750kHz, 5A-10A Load Step 12VIN, 1VOUT, 650kHz, No Load 10A/µs STEP-UP and STEP-DOWN 10A/µs STEP-UP and STEP-DOWN COUT = 1 × 470µF POSCAP + 1 × 47µF CERAMIC COUT = 1 × 470µF POSCAP + 1 × 47µF CERAMIC COUT = 1 × 470µF POSCAP + 1 × 47µF CERAMIC CSS = 0.1µF 4631fb 6 For more information www.linear.com/LTM4631 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information typical Applications Package Description Revision History Package PHoto Design Resources Related Parts
