Datasheet LTM4648 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Low VIN, 10A Step-Down μModule Regulator |
| 页数 / 页 | 28 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. 3.3VIN, 2.5VOUT Load Transient. … |
| 修订版 | A |
| 文件格式/大小 | PDF / 1.7 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. 3.3VIN, 2.5VOUT Load Transient. 5VIN, 2.5VOUT Load Transient
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LTM4648
TYPICAL PERFORMANCE CHARACTERISTICS 3.3VIN, 2.5VOUT Load Transient 5VIN, 2.5VOUT Load Transient 5VIN, 3.3VOUT Load Transient
VOUT VOUT VOUT 100mV/DIV 100mV/DIV 100mV/DIV AC-COUPLED AC-COUPLED AC-COUPLED IOUT IOUT IOUT 5A/DIV 5A/DIV 5A/DIV AC-COUPLED AC-COUPLED AC-COUPLED 20µs/DIV 4648 G10 20µs/DIV 4648 G11 20µs/DIV 4648 G12 3.3VIN, 2.5VOUT, 5A TO 10A LOAD STEP, 5A/µs 5VIN, 2.5VOUT, 5A TO 10A LOAD STEP, 5A/µs 5VIN, 3.3VOUT, 5A TO 10A LOAD STEP, 5A/µs COUT = 1 • 22µF, 6.3V, 1210 + 2 • 100µF 6.3V COUT = 1 • 22µF, 6.3V, 1210 + 2 • 100µF 6.3V COUT = 1 • 22µF, 6.3V, 1210 + 2 • 100µF 6.3V 1210 CERAMIC CAPACITORS 1210 CERAMIC CAPACITORS 1210 CERAMIC CAPACITORS NO CFF CAPACITOR NO CFF CAPACITOR NO CFF CAPACITOR
Output Start-Up Output Start-Up
RUN RUN 2V/DIV 2V/DIV PGOOD PGOOD 2V/DIV 2V/DIV VOUT VOUT 0.5V/DIV 0.5V/DIV IIN IIN 0.5A/DIV 0.5A/DIV 5V 4648 G13 4648 G14 IN 10ms/DIV 5VIN 10ms/DIV 1.5VOUT 1.5VOUT IO = 0A START-UP IO = 10A START-UP CSS = 0.1µF CSS = 0.1µF
Output Short Circuit Output Short Circuit
VOUT 0.5V/DIV VOUT IIN 0.5V/DIV 0.5V/DIV IIN 0.5A/DIV 5V 4648 G15 4648 G16 IN 50µs/DIV 5VIN 50µs/DIV 1.5VOUT 1.5VOUT IOUT = 0A IOUT = 10A Rev A 6 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Design Resources Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Design Resources Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS 3.3VIN, 2.5VOUT Load Transient 5VIN, 2.5VOUT Load Transient 5VIN, 3.3VOUT Load Transient
VOUT VOUT VOUT 100mV/DIV 100mV/DIV 100mV/DIV AC-COUPLED AC-COUPLED AC-COUPLED IOUT IOUT IOUT 5A/DIV 5A/DIV 5A/DIV AC-COUPLED AC-COUPLED AC-COUPLED 20µs/DIV 4648 G10 20µs/DIV 4648 G11 20µs/DIV 4648 G12 3.3VIN, 2.5VOUT, 5A TO 10A LOAD STEP, 5A/µs 5VIN, 2.5VOUT, 5A TO 10A LOAD STEP, 5A/µs 5VIN, 3.3VOUT, 5A TO 10A LOAD STEP, 5A/µs COUT = 1 • 22µF, 6.3V, 1210 + 2 • 100µF 6.3V COUT = 1 • 22µF, 6.3V, 1210 + 2 • 100µF 6.3V COUT = 1 • 22µF, 6.3V, 1210 + 2 • 100µF 6.3V 1210 CERAMIC CAPACITORS 1210 CERAMIC CAPACITORS 1210 CERAMIC CAPACITORS NO CFF CAPACITOR NO CFF CAPACITOR NO CFF CAPACITOR
Output Start-Up Output Start-Up
RUN RUN 2V/DIV 2V/DIV PGOOD PGOOD 2V/DIV 2V/DIV VOUT VOUT 0.5V/DIV 0.5V/DIV IIN IIN 0.5A/DIV 0.5A/DIV 5V 4648 G13 4648 G14 IN 10ms/DIV 5VIN 10ms/DIV 1.5VOUT 1.5VOUT IO = 0A START-UP IO = 10A START-UP CSS = 0.1µF CSS = 0.1µF
Output Short Circuit Output Short Circuit
VOUT 0.5V/DIV VOUT IIN 0.5V/DIV 0.5V/DIV IIN 0.5A/DIV 5V 4648 G15 4648 G16 IN 50µs/DIV 5VIN 50µs/DIV 1.5VOUT 1.5VOUT IOUT = 0A IOUT = 10A Rev A 6 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Design Resources Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Design Resources Related Parts