Datasheet LTM4650 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | Dual 25A or Single 50A DC/DC μModule Regulator |
| 页数 / 页 | 34 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. 1.5V Dual Phase Single Output. 1.8V … |
| 修订版 | C |
| 文件格式/大小 | PDF / 831 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. 1.5V Dual Phase Single Output. 1.8V Dual Phase Single Output. Load Transient Response
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LTM4650
TYPICAL PERFORMANCE CHARACTERISTICS 1.5V Dual Phase Single Output 1.8V Dual Phase Single Output Load Transient Response Load Transient Response
V VOUT(AC) OUT(AC) 20mV/DIV 20mV/DIV LOAD LOAD STEP STEP 10A/DIV 10A/DIV 4650 G07 4650 G08 50µs/DIV 50µs/DIV 12VIN, 1.5VOUT, 600kHz, 12.5A LOAD STEP, 12VIN, 1.8VOUT, 600kHz, 12.5A LOAD STEP, 10A/µs STEP-UP AND STEP-DOWN 10A/µs STEP-UP AND STEP-DOWN COUT = 8× 220µF CERAMIC COUT = 8× 220µF CERAMIC CFF = 470pF CFF = 470pF
Single Phase Start-Up with No load Single Phase Start-up with 25A
V V SW SW 10V/Div 10V/Div V VOUT OUT 0.5V/Div 0.5V/Div IIN I 1A/Div IN 0.2A/Div 4650 G10 4650 G09 20ms/DIV 50μs/DIV 12V 12V IN, 1.2VOUT, 500kHz IN, 1.2VOUT, 500kHz C C OUT = 1× 470µF POSCAP + 2× 100µF OUT = 1× 470µF POSCAP + 2× 100µF CERAMIC, C CERAMIC, C SS = 0.1µF SS = 0.1µF
Single Phase Short Circuit Single Phase Short Circuit Protection with No load Protection with 25A
VSW VSW 10V/Div 10V/Div VOUT 0.5V/Div VOUT 0.5V/Div IIN I 1A/Div IN 2A/Div 4650 G11 20ms/DIV 4650 G12 50µs/DIV 12VIN, 1.2VOUT, 500kHz 12VIN, 1.2VOUT, 500kHz COUT = 1× 470µF POSCAP + 2× 100µF COUT = 1× 470µF POSCAP + 2× 100µF CERAMIC, CSS = 0.1μF CERAMIC Rev. C For more information www.analog.com 7 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration 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 1.5V Dual Phase Single Output 1.8V Dual Phase Single Output Load Transient Response Load Transient Response
V VOUT(AC) OUT(AC) 20mV/DIV 20mV/DIV LOAD LOAD STEP STEP 10A/DIV 10A/DIV 4650 G07 4650 G08 50µs/DIV 50µs/DIV 12VIN, 1.5VOUT, 600kHz, 12.5A LOAD STEP, 12VIN, 1.8VOUT, 600kHz, 12.5A LOAD STEP, 10A/µs STEP-UP AND STEP-DOWN 10A/µs STEP-UP AND STEP-DOWN COUT = 8× 220µF CERAMIC COUT = 8× 220µF CERAMIC CFF = 470pF CFF = 470pF
Single Phase Start-Up with No load Single Phase Start-up with 25A
V V SW SW 10V/Div 10V/Div V VOUT OUT 0.5V/Div 0.5V/Div IIN I 1A/Div IN 0.2A/Div 4650 G10 4650 G09 20ms/DIV 50μs/DIV 12V 12V IN, 1.2VOUT, 500kHz IN, 1.2VOUT, 500kHz C C OUT = 1× 470µF POSCAP + 2× 100µF OUT = 1× 470µF POSCAP + 2× 100µF CERAMIC, C CERAMIC, C SS = 0.1µF SS = 0.1µF
Single Phase Short Circuit Single Phase Short Circuit Protection with No load Protection with 25A
VSW VSW 10V/Div 10V/Div VOUT 0.5V/Div VOUT 0.5V/Div IIN I 1A/Div IN 2A/Div 4650 G11 20ms/DIV 4650 G12 50µs/DIV 12VIN, 1.2VOUT, 500kHz 12VIN, 1.2VOUT, 500kHz COUT = 1× 470µF POSCAP + 2× 100µF COUT = 1× 470µF POSCAP + 2× 100µF CERAMIC, CSS = 0.1μF CERAMIC Rev. C For more information www.analog.com 7 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration 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