Datasheet LTM4620A (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Dual 13A or Single 26A DC/DC µModule Regulator |
| 页数 / 页 | 40 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Efficiency vs Output Current,. VIN = … |
| 文件格式/大小 | PDF / 725 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Efficiency vs Output Current,. VIN = 5V. VIN = 8V. VIN = 12V. 12V to 1V Load Step Response
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LTM4620A
TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Output Current, Efficiency vs Output Current, Efficiency vs Output Current, VIN = 5V VIN = 8V VIN = 12V
100 100 100 95 95 95 90 90 90 85 85 8V TO 1V (400kHz) 85 12V TO 1V (400kHz) 8V TO 1.2V (400kHz) 12V TO 1.2V (400kHz) EFFICIENCY (%) 80 5V TO 1V (400kHz) EFFICIENCY (%) 80 8V TO 1.5V (500kHz) EFFICIENCY (%) 80 12V TO 1.5V (500kHz) 5V TO 1.2V (400kHz) 8V TO 1.8V (600kHz) 12V TO 1.8V (600kHz) 5V TO 1.5V (400kHz) 8V TO 2.5V (650kHz) 12V TO 2.5V (650kHz) 75 5V TO 1.8V (500kHz) 75 8V TO 3.3V (700kHz) 75 12V TO 3.3V (700kHz) 5V TO 2.5V (500kHz) 8V TO 5V (750kHz) 12V TO 5V (750kHz) 5V TO 3.3V (500kHz) TIE 5V 70 OUT TO EXTVCC TIE 5V 70 70 OUT TO EXTVCC 1 2.4 3.8 5.2 6.6 8.0 9.4 10.8 12.2 1 2.4 3.8 5.2 6.6 8.0 9.4 10.8 12.2 1 2.4 3.8 5.2 6.6 8.0 9.4 10.8 12.2 OUTPUT CURRENT (A) OUTPUT CURRENT (A) OUTPUT CURRENT (A) 4620A G01 4620A G02 4620A G03
12V to 1V Load Step Response 12V to 1.2V Load Step Response 12V to 1.5V Load Step Response
20mV/DIV 20mV/DIV 50mV/DIV 5A/DIV 5A/DIV 5A/DIV 6A/µs STEP 6A/µs STEP 6A/µs STEP 50µs/DIV 4620A G04 50µs/DIV 4620A G05 50µs/DIV 4620A G06 CFF = 150pF CFF = 150pF CFF = 47pF COUT = 2 × 470µF 9mΩ EACH POSCAP COUT = 2 × 470µF 9mΩ EACH POSCAP COUT = 220µF 9mΩ POSCAP 1 × 100µF CERAMIC 1 × 100µF CERAMIC 100µF CERAMIC
12V to 1.8V Load Step Response 12V to 2.5V Load Step Response 12V to 3.3V Load Step Response
50mV/DIV 50mV/DIV 100mV/DIV 5A/DIV 5A/DIV 5A/DIV 6A/µs STEP 6A/µs STEP 6A/µs STEP 50µs/DIV 4620A G07 50µs/DIV 4620A G08 50µs/DIV 4620A G09 CFF = 33pF CFF = 100pF CFF = 33pF COUT = 220µF 9mΩ POSCAP COUT = 220µF 9mΩ POSCAP COUT = 100µF 15mΩ POSCAP 100µF CERAMIC 100µF CERAMIC 100µF CERAMIC 4620afc 6 For more information www.linear.com/LTM4620A Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photo Related Parts Design Resources
TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Output Current, Efficiency vs Output Current, Efficiency vs Output Current, VIN = 5V VIN = 8V VIN = 12V
100 100 100 95 95 95 90 90 90 85 85 8V TO 1V (400kHz) 85 12V TO 1V (400kHz) 8V TO 1.2V (400kHz) 12V TO 1.2V (400kHz) EFFICIENCY (%) 80 5V TO 1V (400kHz) EFFICIENCY (%) 80 8V TO 1.5V (500kHz) EFFICIENCY (%) 80 12V TO 1.5V (500kHz) 5V TO 1.2V (400kHz) 8V TO 1.8V (600kHz) 12V TO 1.8V (600kHz) 5V TO 1.5V (400kHz) 8V TO 2.5V (650kHz) 12V TO 2.5V (650kHz) 75 5V TO 1.8V (500kHz) 75 8V TO 3.3V (700kHz) 75 12V TO 3.3V (700kHz) 5V TO 2.5V (500kHz) 8V TO 5V (750kHz) 12V TO 5V (750kHz) 5V TO 3.3V (500kHz) TIE 5V 70 OUT TO EXTVCC TIE 5V 70 70 OUT TO EXTVCC 1 2.4 3.8 5.2 6.6 8.0 9.4 10.8 12.2 1 2.4 3.8 5.2 6.6 8.0 9.4 10.8 12.2 1 2.4 3.8 5.2 6.6 8.0 9.4 10.8 12.2 OUTPUT CURRENT (A) OUTPUT CURRENT (A) OUTPUT CURRENT (A) 4620A G01 4620A G02 4620A G03
12V to 1V Load Step Response 12V to 1.2V Load Step Response 12V to 1.5V Load Step Response
20mV/DIV 20mV/DIV 50mV/DIV 5A/DIV 5A/DIV 5A/DIV 6A/µs STEP 6A/µs STEP 6A/µs STEP 50µs/DIV 4620A G04 50µs/DIV 4620A G05 50µs/DIV 4620A G06 CFF = 150pF CFF = 150pF CFF = 47pF COUT = 2 × 470µF 9mΩ EACH POSCAP COUT = 2 × 470µF 9mΩ EACH POSCAP COUT = 220µF 9mΩ POSCAP 1 × 100µF CERAMIC 1 × 100µF CERAMIC 100µF CERAMIC
12V to 1.8V Load Step Response 12V to 2.5V Load Step Response 12V to 3.3V Load Step Response
50mV/DIV 50mV/DIV 100mV/DIV 5A/DIV 5A/DIV 5A/DIV 6A/µs STEP 6A/µs STEP 6A/µs STEP 50µs/DIV 4620A G07 50µs/DIV 4620A G08 50µs/DIV 4620A G09 CFF = 33pF CFF = 100pF CFF = 33pF COUT = 220µF 9mΩ POSCAP COUT = 220µF 9mΩ POSCAP COUT = 100µF 15mΩ POSCAP 100µF CERAMIC 100µF CERAMIC 100µF CERAMIC 4620afc 6 For more information www.linear.com/LTM4620A Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photo Related Parts Design Resources