Datasheet LTM4618 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 6A DC/DC μModule Regulator with Tracking and Frequency Synchronization |
| 页数 / 页 | 26 / 5 — Typical perForMance characTerisTics. Efficiency vs Load Current with. … |
| 文件格式/大小 | PDF / 635 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. Efficiency vs Load Current with. 5VIN (CCM). 12VIN (CCM). 24VIN (CCM)
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LTM4618
Typical perForMance characTerisTics Efficiency vs Load Current with Efficiency vs Load Current with Efficiency vs Load Current with 5VIN (CCM) 12VIN (CCM) 24VIN (CCM)
100 100 95 95 95 90 90 90 85 85 85 80 EFFICIENCY (%) 80 EFFICIENCY (%) 80 EFFICIENCY (%) 5V TO 0.8VOUT 12V TO 1.2VOUT 5V TO 1.2VOUT 12V TO 1.5VOUT 75 75 5V TO 1.5VOUT 75 12V TO 2.5VOUT 24V TO 2.5VOUT 5V TO 2.5VOUT 12V TO 3.3VOUT 24V TO 3.3VOUT 5V TO 3.3VOUT 12V TO 5VOUT 24V TO 5VOUT 70 70 70 0 1 2 3 4 5 6 0 1 2 3 4 5 6 0 1 2 3 4 5 6 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4618 G01 4618 G02 4618 G03
Efficiency vs Load Current with Different Mode Settings (12V to 3.3V) 1.2V Transient Response 1.5V Transient Response
100 VIN = 12V 90 VOUT = 3.3V 80 I I 70 OUT OUT 1A/DIV 1A/DIV 60 50 VOUT VOUT 50mV/DIV 50mV/DIV 40 EFFICIENCY (%) 30 4618 G05 50µs/DIV 4618 G06 50µs/DIV 20 VIN = 12V AND VOUT = 1.2V AT 3A/µs LOAD STEP VIN = 12V AND VOUT = 1.5V AT 3A/µs LOAD STEP BURST COUT = 2× 22µF 6.3V CERAMIC CAPACITOR COUT = 2× 22µF 6.3V CERAMIC CAPACITOR 10 PULSE SKIP 1× 100µF 6.3V CERAMIC CAPACITOR 1× 100µF 6.3V CERAMIC CAPACITOR CCM 0 1× 220µF SANYO POSCAP 1× 220µF SANYO POSCAP 0.01 0.1 1 LOAD CURRENT (A) 4618 G04
2.5V Transient Response 3.3V Transient Response 5V Transient Response
IOUT IOUT IOUT 1A/DIV 1A/DIV 1A/DIV VOUT VOUT VOUT 50mV/DIV 50mV/DIV 100mV/DIV 4618 G07 50µs/DIV 4618 G08 50µs/DIV 4618 G09 50µs/DIV VIN = 12V AND VOUT = 2.5V AT 3A/µs LOAD STEP VIN = 12V AND VOUT = 3.3V AT 3A/µs LOAD STEP VIN = 12V AND VOUT = 5V AT 3A/µs LOAD STEP COUT = 2× 22µF 6.3V CERAMIC CAPACITOR COUT = 2× 22µF 6.3V CERAMIC CAPACITOR COUT = 2× 22µF 6.3V CERAMIC CAPACITOR 1× 100µF 6.3V CERAMIC CAPACITOR 1× 100µF 6.3V CERAMIC CAPACITOR 1× 100µF 6.3V CERAMIC CAPACITOR 1× 220µF SANYO POSCAP 1× 220µF SANYO POSCAP 1× 220µF SANYO POSCAP 4618fb For more information www.linear.com/LTM4618 5 Document Outline Features Description Applications Typical Application 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 Photograph Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics Efficiency vs Load Current with Efficiency vs Load Current with Efficiency vs Load Current with 5VIN (CCM) 12VIN (CCM) 24VIN (CCM)
100 100 95 95 95 90 90 90 85 85 85 80 EFFICIENCY (%) 80 EFFICIENCY (%) 80 EFFICIENCY (%) 5V TO 0.8VOUT 12V TO 1.2VOUT 5V TO 1.2VOUT 12V TO 1.5VOUT 75 75 5V TO 1.5VOUT 75 12V TO 2.5VOUT 24V TO 2.5VOUT 5V TO 2.5VOUT 12V TO 3.3VOUT 24V TO 3.3VOUT 5V TO 3.3VOUT 12V TO 5VOUT 24V TO 5VOUT 70 70 70 0 1 2 3 4 5 6 0 1 2 3 4 5 6 0 1 2 3 4 5 6 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4618 G01 4618 G02 4618 G03
Efficiency vs Load Current with Different Mode Settings (12V to 3.3V) 1.2V Transient Response 1.5V Transient Response
100 VIN = 12V 90 VOUT = 3.3V 80 I I 70 OUT OUT 1A/DIV 1A/DIV 60 50 VOUT VOUT 50mV/DIV 50mV/DIV 40 EFFICIENCY (%) 30 4618 G05 50µs/DIV 4618 G06 50µs/DIV 20 VIN = 12V AND VOUT = 1.2V AT 3A/µs LOAD STEP VIN = 12V AND VOUT = 1.5V AT 3A/µs LOAD STEP BURST COUT = 2× 22µF 6.3V CERAMIC CAPACITOR COUT = 2× 22µF 6.3V CERAMIC CAPACITOR 10 PULSE SKIP 1× 100µF 6.3V CERAMIC CAPACITOR 1× 100µF 6.3V CERAMIC CAPACITOR CCM 0 1× 220µF SANYO POSCAP 1× 220µF SANYO POSCAP 0.01 0.1 1 LOAD CURRENT (A) 4618 G04
2.5V Transient Response 3.3V Transient Response 5V Transient Response
IOUT IOUT IOUT 1A/DIV 1A/DIV 1A/DIV VOUT VOUT VOUT 50mV/DIV 50mV/DIV 100mV/DIV 4618 G07 50µs/DIV 4618 G08 50µs/DIV 4618 G09 50µs/DIV VIN = 12V AND VOUT = 2.5V AT 3A/µs LOAD STEP VIN = 12V AND VOUT = 3.3V AT 3A/µs LOAD STEP VIN = 12V AND VOUT = 5V AT 3A/µs LOAD STEP COUT = 2× 22µF 6.3V CERAMIC CAPACITOR COUT = 2× 22µF 6.3V CERAMIC CAPACITOR COUT = 2× 22µF 6.3V CERAMIC CAPACITOR 1× 100µF 6.3V CERAMIC CAPACITOR 1× 100µF 6.3V CERAMIC CAPACITOR 1× 100µF 6.3V CERAMIC CAPACITOR 1× 220µF SANYO POSCAP 1× 220µF SANYO POSCAP 1× 220µF SANYO POSCAP 4618fb For more information www.linear.com/LTM4618 5 Document Outline Features Description Applications Typical Application 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 Photograph Package Description Revision History Typical Application Related Parts