Datasheet Analog Devices LT8640
| Manufacturer | Analog Devices |
| Series | LT8640 |
42V, 5A Synchronous Step-Down Silent Switcher with 2.5μA Quiescent Current
Datasheets
Datasheet LT8640, LT8640-1
PDF, 1.8 Mb, Language: en, Revision: D, File uploaded: Feb 28, 2021, Pages: 30
42V, 5A Synchronous Step-Down Silent Switcher with 2.5µA Quiescent Current
42V, 5A Synchronous Step-Down Silent Switcher with 2.5µA Quiescent Current
Extract from the document
Datasheet LT8640, LT8640-1
PDF, 1.9 Mb, Language: en, Revision: C, File uploaded: Aug 29, 2019, Pages: 30
42V, 5A Synchronous Step-Down Silent Switcher with 2.5μA Quiescent Current
42V, 5A Synchronous Step-Down Silent Switcher with 2.5μA Quiescent Current
Extract from the document
LT8640/LT8640-1: 42V, 5A Synchronous Step-Down Silent Switcher with 2.5µA Quiescent Current Data Sheet
PDF, 1.7 Mb, File uploaded: Mar 27, 2018
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Prices
Status
| LT8640EUDC#PBF | LT8640EUDC#TRPBF | LT8640EUDC-1#PBF | LT8640EUDC-1#TRPBF | LT8640EUDCF#PBF | LT8640EUDCF#TRPBF | LT8640EUDCF-1#PBF | LT8640EUDCF-1#TRPBF | LT8640HUDC#PBF | LT8640HUDC#TRPBF | LT8640HUDC-1#PBF | LT8640HUDC-1#TRPBF | LT8640HUDCF#PBF | LT8640HUDCF#TRPBF | LT8640HUDCF#WPBF | LT8640HUDCF#WTRPBF | LT8640IUDC#PBF | LT8640IUDC#TRPBF | LT8640IUDC-1#PBF | LT8640IUDC-1#TRPBF | LT8640IUDCF#PBF | LT8640IUDCF#TRPBF | LT8640IUDCF-1#PBF | LT8640IUDCF-1#TRPBF | LT8640JUDCF#PBF | LT8640JUDCF#TRPBF | LT8640JUDCF#WPBF | LT8640JUDCF#WTRPBF | LT8640JUDCF-1#PBF | LT8640JUDCF-1#TRPBF | LT8640JUDCF-1#WPBF | LT8640JUDCF-1#WTRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lifecycle Status | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Contact ADI | Contact ADI | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) |
Packaging
| LT8640EUDC#PBF | LT8640EUDC#TRPBF | LT8640EUDC-1#PBF | LT8640EUDC-1#TRPBF | LT8640EUDCF#PBF | LT8640EUDCF#TRPBF | LT8640EUDCF-1#PBF | LT8640EUDCF-1#TRPBF | LT8640HUDC#PBF | LT8640HUDC#TRPBF | LT8640HUDC-1#PBF | LT8640HUDC-1#TRPBF | LT8640HUDCF#PBF | LT8640HUDCF#TRPBF | LT8640HUDCF#WPBF | LT8640HUDCF#WTRPBF | LT8640IUDC#PBF | LT8640IUDC#TRPBF | LT8640IUDC-1#PBF | LT8640IUDC-1#TRPBF | LT8640IUDCF#PBF | LT8640IUDCF#TRPBF | LT8640IUDCF-1#PBF | LT8640IUDCF-1#TRPBF | LT8640JUDCF#PBF | LT8640JUDCF#TRPBF | LT8640JUDCF#WPBF | LT8640JUDCF#WTRPBF | LT8640JUDCF-1#PBF | LT8640JUDCF-1#TRPBF | LT8640JUDCF-1#WPBF | LT8640JUDCF-1#WTRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 |
| Package | 20(18)-Lead QFN (3mm x 4mm x 0.75mm w/ EP) | 20(18)-Lead QFN (3mm x 4mm x 0.75mm w/ EP) | 20(18)-Lead QFN (3mm x 4mm x 0.75mm w/ EP) | 20(18)-Lead QFN (3mm x 4mm x 0.75mm w/ EP) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead QFN (3mm x 4mm x 0.75mm w/ EP) | 20(18)-Lead QFN (3mm x 4mm x 0.75mm w/ EP) | 20(18)-Lead QFN (3mm x 4mm x 0.75mm w/ EP) | 20(18)-Lead QFN (3mm x 4mm x 0.75mm w/ EP) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead QFN (3mm x 4mm x 0.75mm w/ EP) | 20(18)-Lead QFN (3mm x 4mm x 0.75mm w/ EP) | 20(18)-Lead QFN (3mm x 4mm x 0.75mm w/ EP) | 20(18)-Lead QFN (3mm x 4mm x 0.75mm w/ EP) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) | 20(18)-Lead Plastic Side Wettable QFN (3mm × 4mm) |
| Pins | 20 | 20 | 20 | 20 | 18 | 18 | 18 | 18 | 20 | 20 | 20 | 20 | 20 | 18 | 18 | 18 | 20 | 20 | 20 | 20 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 20 | 18 | 18 | 18 |
| Package Code | 05-08-1956 | 05-08-1956 | 05-08-1956 | 05-08-1956 | 05-08-1617 | 05-08-1617 | 05-08-1617 | 05-08-1617 | 05-08-1956 | 05-08-1956 | 05-08-1956 | 05-08-1956 | 05-08-1617 | 05-08-1617 | 05-08-1617 | 05-08-1617 | 05-08-1956 | 05-08-1956 | 05-08-1956 | 05-08-1956 | 05-08-1617 | 05-08-1617 | 05-08-1617 | 05-08-1617 | 05-08-1617 | 05-08-1617 | 05-08-1617 | 05-08-1617 | 05-08-1617 | 05-08-1617 | 05-08-1617 | 05-08-1617 |
Parametrics
| Parameters / Models | LT8640EUDC#PBF | LT8640EUDC#TRPBF | LT8640EUDC-1#PBF | LT8640EUDC-1#TRPBF | LT8640EUDCF#PBF | LT8640EUDCF#TRPBF | LT8640EUDCF-1#PBF | LT8640EUDCF-1#TRPBF | LT8640HUDC#PBF | LT8640HUDC#TRPBF | LT8640HUDC-1#PBF | LT8640HUDC-1#TRPBF | LT8640HUDCF#PBF | LT8640HUDCF#TRPBF | LT8640HUDCF#WPBF | LT8640HUDCF#WTRPBF | LT8640IUDC#PBF | LT8640IUDC#TRPBF | LT8640IUDC-1#PBF | LT8640IUDC-1#TRPBF | LT8640IUDCF#PBF | LT8640IUDCF#TRPBF | LT8640IUDCF-1#PBF | LT8640IUDCF-1#TRPBF | LT8640JUDCF#PBF | LT8640JUDCF#TRPBF | LT8640JUDCF#WPBF | LT8640JUDCF#WTRPBF | LT8640JUDCF-1#PBF | LT8640JUDCF-1#TRPBF | LT8640JUDCF-1#WPBF | LT8640JUDCF-1#WTRPBF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EMI Features | Silent Switcher | Silent Switcher | ||||||||||||||||||||||||||||||
| Monolithic | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ||
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 150 | -40 to 150 | -40 to 150 | -40 to 150 | -40 to 150 | -40 to 150 | -40 to 150 | -40 to 150 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 150 | -40 to 125 | -40 to 150 | -40 to 150 | -40 to 150 | -40 to 150 | -40 to 150 | -40 to 150 | -40 to 150 | -40 to 150 |
| Output Current(typ), A | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Synchronous | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Vin(max), V | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 |
| Vin(min), V | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 |
| Vout Min(typ), V | 970m | 970m |
Eco Plan
| LT8640EUDC#PBF | LT8640EUDC#TRPBF | LT8640EUDC-1#PBF | LT8640EUDC-1#TRPBF | LT8640EUDCF#PBF | LT8640EUDCF#TRPBF | LT8640EUDCF-1#PBF | LT8640EUDCF-1#TRPBF | LT8640HUDC#PBF | LT8640HUDC#TRPBF | LT8640HUDC-1#PBF | LT8640HUDC-1#TRPBF | LT8640HUDCF#PBF | LT8640HUDCF#TRPBF | LT8640HUDCF#WPBF | LT8640HUDCF#WTRPBF | LT8640IUDC#PBF | LT8640IUDC#TRPBF | LT8640IUDC-1#PBF | LT8640IUDC-1#TRPBF | LT8640IUDCF#PBF | LT8640IUDCF#TRPBF | LT8640IUDCF-1#PBF | LT8640IUDCF-1#TRPBF | LT8640JUDCF#PBF | LT8640JUDCF#TRPBF | LT8640JUDCF#WPBF | LT8640JUDCF#WTRPBF | LT8640JUDCF-1#PBF | LT8640JUDCF-1#TRPBF | LT8640JUDCF-1#WPBF | LT8640JUDCF-1#WTRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Other Options
Model Line
Series: LT8640 (32)
- LT8640EUDC#PBF LT8640EUDC#TRPBF LT8640EUDC-1#PBF LT8640EUDC-1#TRPBF LT8640EUDCF#PBF LT8640EUDCF#TRPBF LT8640EUDCF-1#PBF LT8640EUDCF-1#TRPBF LT8640HUDC#PBF LT8640HUDC#TRPBF LT8640HUDC-1#PBF LT8640HUDC-1#TRPBF LT8640HUDCF#PBF LT8640HUDCF#TRPBF LT8640HUDCF#WPBF LT8640HUDCF#WTRPBF LT8640IUDC#PBF LT8640IUDC#TRPBF LT8640IUDC-1#PBF LT8640IUDC-1#TRPBF LT8640IUDCF#PBF LT8640IUDCF#TRPBF LT8640IUDCF-1#PBF LT8640IUDCF-1#TRPBF LT8640JUDCF#PBF LT8640JUDCF#TRPBF LT8640JUDCF#WPBF LT8640JUDCF#WTRPBF LT8640JUDCF-1#PBF LT8640JUDCF-1#TRPBF LT8640JUDCF-1#WPBF LT8640JUDCF-1#WTRPBF
Manufacturer's Classification
- Power Management > Internal Power Switch Buck Regulators | High Input Voltage Buck Regulators | Micropower Buck Regulators | Ultralow Noise Regulators
