Datasheet LT8642S (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 18V, 10A Synchronous Step-Down Silent Switcher 2 |
| 页数 / 页 | 26 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. Transient Response; Load Current. … |
| 文件格式/大小 | PDF / 1.4 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Transient Response; Load Current. Stepped from 2A to 7A. Stepped from 100mA to 5.1A
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LT8642S
TYPICAL PERFORMANCE CHARACTERISTICS Transient Response; Load Current Transient Response; Load Current Stepped from 2A to 7A Stepped from 100mA to 5.1A
ILOAD I 5A/DIV LOAD 5A/DIV Burst Mode OPERATION VOUT VOUT 50mV/DIV 50mV/DIV FCM 20µs/DIV 8642S G33 50µs/DIV 8642S G34 FRONT PAGE APPLICATION FRONT PAGE APPLICATION 2A TO 7A TRANSIENT 100mA TO 5.1A TRANSIENT VIN = 12V, VOUT = 1.2V, fSW = 2MHz VIN = 12V, VOUT = 1.2V, fSW = 2MHz CC = 150pF, RC = 11k CC = 150pF, RC = 11k COUT = 2 x 220µF, CLEAD = 47pF COUT = 2 x 220µF, CLEAD = 47pF
Start-Up Dropout Performance Start-Up Dropout Performance
VIN VIN VIN V 2V/DIV IN 2V/DIV V VOUT OUT VOUT V 2V/DIV OUT 2V/DIV 100ms/DIV 8642S G35 100ms/DIV 8642S G36 1Ω LOAD 20Ω LOAD (5A IN REGULATION) (250mA IN REGULATION) Rev 0 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Applications Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Transient Response; Load Current Transient Response; Load Current Stepped from 2A to 7A Stepped from 100mA to 5.1A
ILOAD I 5A/DIV LOAD 5A/DIV Burst Mode OPERATION VOUT VOUT 50mV/DIV 50mV/DIV FCM 20µs/DIV 8642S G33 50µs/DIV 8642S G34 FRONT PAGE APPLICATION FRONT PAGE APPLICATION 2A TO 7A TRANSIENT 100mA TO 5.1A TRANSIENT VIN = 12V, VOUT = 1.2V, fSW = 2MHz VIN = 12V, VOUT = 1.2V, fSW = 2MHz CC = 150pF, RC = 11k CC = 150pF, RC = 11k COUT = 2 x 220µF, CLEAD = 47pF COUT = 2 x 220µF, CLEAD = 47pF
Start-Up Dropout Performance Start-Up Dropout Performance
VIN VIN VIN V 2V/DIV IN 2V/DIV V VOUT OUT VOUT V 2V/DIV OUT 2V/DIV 100ms/DIV 8642S G35 100ms/DIV 8642S G36 1Ω LOAD 20Ω LOAD (5A IN REGULATION) (250mA IN REGULATION) Rev 0 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Applications Related Parts