Datasheet LT8640S, LT8643S (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | 42V, 6A Synchronous Step-Down Silent Switcher 2 with 2.5µA Quiescent Current |
| Pages / Page | 30 / 10 — Typical perForMance characTerisTics. LT8640S Transient Response;. LT8643S … |
| File Format / Size | PDF / 2.3 Mb |
| Document Language | English |
Typical perForMance characTerisTics. LT8640S Transient Response;. LT8643S Transient Response;. 100mA to 1.1A Transient
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LT8640S/LT8643S
Typical perForMance characTerisTics LT8640S Transient Response; LT8643S Transient Response; 100mA to 1.1A Transient 100mA to 1.1A Transient
ILOAD ILOAD 1A/DIV 1A/DIV Burst Mode OPERATION Burst Mode OPERATION V V OUT OUT 100mV/DIV 100mV/DIV FCM FCM 50µs/DIV 8640S G45 50µs/DIV 8640S G46 FRONT PAGE APPLICATION FRONT PAGE APPLICATION 100mA TO 1.1A TRANSIENT CC = 330pF, RC = 6.49k, CLEAD = 4.7pF 12VIN, 5VOUT, fSW = 1MHz 100mA TO 1.1A TRANSIENT COUT = 100µF 12VIN, 5VOUT, fSW = 1MHz COUT = 100µF
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 8640S G47 100ms/DIV 8640S G48 2.5Ω LOAD 20Ω LOAD (2A IN REGULATION) (250mA IN REGULATION) 8640sfa 10 For more information www.linear.com/LT8640S Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Applications Related Parts
Typical perForMance characTerisTics LT8640S Transient Response; LT8643S Transient Response; 100mA to 1.1A Transient 100mA to 1.1A Transient
ILOAD ILOAD 1A/DIV 1A/DIV Burst Mode OPERATION Burst Mode OPERATION V V OUT OUT 100mV/DIV 100mV/DIV FCM FCM 50µs/DIV 8640S G45 50µs/DIV 8640S G46 FRONT PAGE APPLICATION FRONT PAGE APPLICATION 100mA TO 1.1A TRANSIENT CC = 330pF, RC = 6.49k, CLEAD = 4.7pF 12VIN, 5VOUT, fSW = 1MHz 100mA TO 1.1A TRANSIENT COUT = 100µF 12VIN, 5VOUT, fSW = 1MHz COUT = 100µF
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 8640S G47 100ms/DIV 8640S G48 2.5Ω LOAD 20Ω LOAD (2A IN REGULATION) (250mA IN REGULATION) 8640sfa 10 For more information www.linear.com/LT8640S Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Applications Related Parts
