Datasheet LT8648S (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | 42V, 15A Synchronous Step-Down Silent Switcher 2 |
| 页数 / 页 | 28 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS. Transient Response; 3A to 10A. … |
| 文件格式/大小 | PDF / 2.2 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Transient Response; 3A to 10A. Transient Response; 100mA to. Load Step. 7.1A Load Step
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LT8648S
TYPICAL PERFORMANCE CHARACTERISTICS Transient Response; 3A to 10A Transient Response; 3A to 10A Transient Response; 100mA to Transient Response; 100mA to Load Step 7.1A Load Step
I I LOAD LOAD 5A/DIV 5A/DIV FCM VOUT VOUT 100mV/DIV 100mV/DIV Burst Mode OPERATION 20µs/DIV 8648S G34 50µs/DIV 8648S G35 FRONT PAGE APPLICATION FRONT PAGE APPLICATION 3A TO 10A TRANSIENT 100mA TO 7.1A TRANSIENT 12VIN, 5VOUT, fSW = 1MHz 12VIN, 5VOUT, fSW = 1MHz CC = 330pF, RC = 13.7k CC = 330pF, RC = 13.7k COUT = 2 x 47µF, CLEAD = 10pF COUT = 2 x 47µF, CLEAD = 10pF
Start-Up Dropout Performance Start-Up Dropout Performance
VIN VIN VIN VIN 2V/DIV 2V/DIV V VOUT V OUT OUT VOUT 2V/DIV 2V/DIV 100ms/DIV 8648S G36 100ms/DIV 8648S G37 2.5Ω LOAD 20Ω LOAD (2A IN REGULATION) (250mA IN REGULATION) Rev. 0 For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Applications Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Transient Response; 3A to 10A Transient Response; 3A to 10A Transient Response; 100mA to Transient Response; 100mA to Load Step 7.1A Load Step
I I LOAD LOAD 5A/DIV 5A/DIV FCM VOUT VOUT 100mV/DIV 100mV/DIV Burst Mode OPERATION 20µs/DIV 8648S G34 50µs/DIV 8648S G35 FRONT PAGE APPLICATION FRONT PAGE APPLICATION 3A TO 10A TRANSIENT 100mA TO 7.1A TRANSIENT 12VIN, 5VOUT, fSW = 1MHz 12VIN, 5VOUT, fSW = 1MHz CC = 330pF, RC = 13.7k CC = 330pF, RC = 13.7k COUT = 2 x 47µF, CLEAD = 10pF COUT = 2 x 47µF, CLEAD = 10pF
Start-Up Dropout Performance Start-Up Dropout Performance
VIN VIN VIN VIN 2V/DIV 2V/DIV V VOUT V OUT OUT VOUT 2V/DIV 2V/DIV 100ms/DIV 8648S G36 100ms/DIV 8648S G37 2.5Ω LOAD 20Ω LOAD (2A IN REGULATION) (250mA IN REGULATION) Rev. 0 For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Applications Related Parts