Datasheet LTM4634 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Triple Output 5A/5A/4A Step-Down DC/DC μModule (Power Module) Regulator |
| Pages / Page | 32 / 5 — Typical perForMance characTerisTics. 5V Input Efficiency (Ch1 and Ch2). … |
| File Format / Size | PDF / 759 Kb |
| Document Language | English |
Typical perForMance characTerisTics. 5V Input Efficiency (Ch1 and Ch2). 5V Input Efficiency (Ch3)
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LTM4634
Typical perForMance characTerisTics 5V Input Efficiency (Ch1 and Ch2) 5V Input Efficiency (Ch3) 12V Input Efficiency (Ch1 and Ch2)
100 100 100 95 95 95 90 90 90 85 85 85 80 80 80 75 75 75 70 70 70 VEXTVCC = 5V 65 65 65 12V TO 1.0V EFF (250kHz) EFFICIENCY (%) 5V TO 1.0V EFF (250kHz) 60 EFFICIENCY (%) 5V TO 1.OV EFF (250kHz) EFFICIENCY (%) 12V TO 1.2V EFF (250kHz) 5V TO 1.2V EFF (250kHz) 60 5V TO 1.2V EFF (250kHz) 60 12V TO 1.5V EFF (250kHz) 55 5V TO 1.5V EFF (250kHz) 55 5V TO 1.5V EFF (250kHz) 55 12V TO 1.8V EFF (250kHz) 50 5V TO 1.8V EFF (250kHz) 50 5V TO 1.8V EFF (250kHz) 50 12V TO 2.5V EFF (250kHz) 5V TO 2.5V EFF (250kHz) 5V TO 2.5V EFF (250kHz) 12V TO 3.3V EFF (250kHz) 45 5V TO 3.3V EFF (250kHz) 45 5V TO 3.3V EFF (250kHz) 45 12V TO 5.0V EFF (250kHz) 40 40 40 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4634 G01 4634 G02 4634 G03
12V Input Efficiency (Ch3) 24V Input Efficiency (Ch1 and Ch2) 24V Input Efficiency (Ch3)
100 100 100 95 95 95 90 90 90 85 85 85 80 80 80 75 75 75 V 70 EXTVCC = 5V VEXTVCC = 5V 70 VEXTVCC = 5V 70 24 TO 1.0V EFF (250kHz) 65 12V TO 1.0V EFF (250kHz) 65 24V TO 1.0V EFF (250kHz) 65 24 TO 1.2V EFF (250kHz) EFFICIENCY (%) 60 12V TO 1.2V EFF (250kHz) EFFICIENCY (%) 24V TO 1.2V EFF (250kHz) EFFICIENCY (%) 24 TO 1.5V EFF (250kHz) 12V TO 1.5V EFF (250kHz) 60 24V TO 1.5V EFF (300kHz) 60 24 TO 1.8V EFF (300kHz) 55 12V TO 1.8V EFF (250kHz) 55 24V TO 1.8V EFF (350kHz) 55 24 TO 2.5V EFF (300kHz) 50 12V TO 2.5V EFF (250kHz) 50 24V TO 2.5V EFF (350kHz) 50 24 TO 3.3V EFF (350kHz) 12V TO 3.3V EFF (250kHz) 45 24V TO 3.3V EFF (600kHz) 24 TO 5.0V EFF (500kHz) 12V TO 5.0V EFF (250kHz) 45 24V TO 5.0V EFF (750kHz) 45 24 TO 12V EFF (750kHz) 40 40 40 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4634 G04 4634 G05 4634 G06
24V Input Continuous, Pulse- Skipping and Burst Mode Operation 24V to 3.3V Load Step Response 24V to 5V Load Step Response
100 95 90 OUTPUT OUTPUT 85 100mV/DIV 100mV/DIV 80 LOAD LOAD 75 STEP STEP 70 1A/DIV 1A/DIV 65 EFFICIENCY (%) 60 100µs/DIV 4634 G08 100µs/DIV 4634 G09 55 0A TO 2.5A, 2.5A/µs LOAD STEP 0A TO 2.5A, 2.5A/µs LOAD STEP C C 50 5.0VOUT (750kHz) BURST OUT = 2 × 100µF CERAMIC CAPACITOR OUT = 2 × 100µF CERAMIC CAPACITOR 5.0V 45 OUT (750kHz) PULSE 5.0VOUT (750kHz) CONT 40 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 LOAD CURRENT (A) 4634 G07 4634f For more information www.linear.com/LTM4634 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Related Parts
Typical perForMance characTerisTics 5V Input Efficiency (Ch1 and Ch2) 5V Input Efficiency (Ch3) 12V Input Efficiency (Ch1 and Ch2)
100 100 100 95 95 95 90 90 90 85 85 85 80 80 80 75 75 75 70 70 70 VEXTVCC = 5V 65 65 65 12V TO 1.0V EFF (250kHz) EFFICIENCY (%) 5V TO 1.0V EFF (250kHz) 60 EFFICIENCY (%) 5V TO 1.OV EFF (250kHz) EFFICIENCY (%) 12V TO 1.2V EFF (250kHz) 5V TO 1.2V EFF (250kHz) 60 5V TO 1.2V EFF (250kHz) 60 12V TO 1.5V EFF (250kHz) 55 5V TO 1.5V EFF (250kHz) 55 5V TO 1.5V EFF (250kHz) 55 12V TO 1.8V EFF (250kHz) 50 5V TO 1.8V EFF (250kHz) 50 5V TO 1.8V EFF (250kHz) 50 12V TO 2.5V EFF (250kHz) 5V TO 2.5V EFF (250kHz) 5V TO 2.5V EFF (250kHz) 12V TO 3.3V EFF (250kHz) 45 5V TO 3.3V EFF (250kHz) 45 5V TO 3.3V EFF (250kHz) 45 12V TO 5.0V EFF (250kHz) 40 40 40 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4634 G01 4634 G02 4634 G03
12V Input Efficiency (Ch3) 24V Input Efficiency (Ch1 and Ch2) 24V Input Efficiency (Ch3)
100 100 100 95 95 95 90 90 90 85 85 85 80 80 80 75 75 75 V 70 EXTVCC = 5V VEXTVCC = 5V 70 VEXTVCC = 5V 70 24 TO 1.0V EFF (250kHz) 65 12V TO 1.0V EFF (250kHz) 65 24V TO 1.0V EFF (250kHz) 65 24 TO 1.2V EFF (250kHz) EFFICIENCY (%) 60 12V TO 1.2V EFF (250kHz) EFFICIENCY (%) 24V TO 1.2V EFF (250kHz) EFFICIENCY (%) 24 TO 1.5V EFF (250kHz) 12V TO 1.5V EFF (250kHz) 60 24V TO 1.5V EFF (300kHz) 60 24 TO 1.8V EFF (300kHz) 55 12V TO 1.8V EFF (250kHz) 55 24V TO 1.8V EFF (350kHz) 55 24 TO 2.5V EFF (300kHz) 50 12V TO 2.5V EFF (250kHz) 50 24V TO 2.5V EFF (350kHz) 50 24 TO 3.3V EFF (350kHz) 12V TO 3.3V EFF (250kHz) 45 24V TO 3.3V EFF (600kHz) 24 TO 5.0V EFF (500kHz) 12V TO 5.0V EFF (250kHz) 45 24V TO 5.0V EFF (750kHz) 45 24 TO 12V EFF (750kHz) 40 40 40 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4634 G04 4634 G05 4634 G06
24V Input Continuous, Pulse- Skipping and Burst Mode Operation 24V to 3.3V Load Step Response 24V to 5V Load Step Response
100 95 90 OUTPUT OUTPUT 85 100mV/DIV 100mV/DIV 80 LOAD LOAD 75 STEP STEP 70 1A/DIV 1A/DIV 65 EFFICIENCY (%) 60 100µs/DIV 4634 G08 100µs/DIV 4634 G09 55 0A TO 2.5A, 2.5A/µs LOAD STEP 0A TO 2.5A, 2.5A/µs LOAD STEP C C 50 5.0VOUT (750kHz) BURST OUT = 2 × 100µF CERAMIC CAPACITOR OUT = 2 × 100µF CERAMIC CAPACITOR 5.0V 45 OUT (750kHz) PULSE 5.0VOUT (750kHz) CONT 40 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 LOAD CURRENT (A) 4634 G07 4634f For more information www.linear.com/LTM4634 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Related Parts
