Datasheet Analog Devices LT3973
| Manufacturer | Analog Devices |
| Series | LT3973 |
42V, 750mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes
Datasheets
Datasheet LT3973, LT3973-3.3, LT3973-5
PDF, 479 Kb, Language: en, File uploaded: Sep 19, 2017, Pages: 24
42V, 750mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes
42V, 750mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes
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Prices
Status
| LT3973EDD#PBF | LT3973EDD#TRPBF | LT3973EDD-3.3#PBF | LT3973EDD-3.3#TRPBF | LT3973EDD-5#PBF | LT3973EDD-5#TRPBF | LT3973EMSE#PBF | LT3973EMSE#TRPBF | LT3973EMSE-3.3#PBF | LT3973EMSE-3.3#TRPBF | LT3973EMSE-5#PBF | LT3973EMSE-5#TRPBF | LT3973HDD#PBF | LT3973HDD#TRPBF | LT3973HDD-3.3#PBF | LT3973HDD-3.3#TRPBF | LT3973HDD-5#PBF | LT3973HDD-5#TRPBF | LT3973HMSE#PBF | LT3973HMSE#TRPBF | LT3973HMSE-3.3#PBF | LT3973HMSE-3.3#TRPBF | LT3973HMSE-5#PBF | LT3973HMSE-5#TRPBF | LT3973IDD#PBF | LT3973IDD#TRPBF | LT3973IDD-3.3#PBF | LT3973IDD-3.3#TRPBF | LT3973IDD-5#PBF | LT3973IDD-5#TRPBF | LT3973IMSE#PBF | LT3973IMSE#TRPBF | LT3973IMSE-3.3#PBF | LT3973IMSE-3.3#TRPBF | LT3973IMSE-5#PBF | LT3973IMSE-5#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) | 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) | 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
| LT3973EDD#PBF | LT3973EDD#TRPBF | LT3973EDD-3.3#PBF | LT3973EDD-3.3#TRPBF | LT3973EDD-5#PBF | LT3973EDD-5#TRPBF | LT3973EMSE#PBF | LT3973EMSE#TRPBF | LT3973EMSE-3.3#PBF | LT3973EMSE-3.3#TRPBF | LT3973EMSE-5#PBF | LT3973EMSE-5#TRPBF | LT3973HDD#PBF | LT3973HDD#TRPBF | LT3973HDD-3.3#PBF | LT3973HDD-3.3#TRPBF | LT3973HDD-5#PBF | LT3973HDD-5#TRPBF | LT3973HMSE#PBF | LT3973HMSE#TRPBF | LT3973HMSE-3.3#PBF | LT3973HMSE-3.3#TRPBF | LT3973HMSE-5#PBF | LT3973HMSE-5#TRPBF | LT3973IDD#PBF | LT3973IDD#TRPBF | LT3973IDD-3.3#PBF | LT3973IDD-3.3#TRPBF | LT3973IDD-5#PBF | LT3973IDD-5#TRPBF | LT3973IMSE#PBF | LT3973IMSE#TRPBF | LT3973IMSE-3.3#PBF | LT3973IMSE-3.3#TRPBF | LT3973IMSE-5#PBF | LT3973IMSE-5#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 33 | 34 | 35 | 36 |
| Package | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead DFN (3mm x 3mm w/ EP) | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP |
| Pins | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Package Code | 05-08-1699 | 05-08-1699 | 05-08-1699 | 05-08-1699 | 05-08-1699 | 05-08-1699 | 05-08-1664 | 05-08-1664 | 05-08-1664 | 05-08-1664 | 05-08-1664 | 05-08-1664 | 05-08-1699 | 05-08-1699 | 05-08-1699 | 05-08-1699 | 05-08-1699 | 05-08-1699 | 05-08-1664 | 05-08-1664 | 05-08-1664 | 05-08-1664 | 05-08-1664 | 05-08-1664 | 05-08-1699 | 05-08-1699 | 05-08-1699 | 05-08-1699 | 05-08-1699 | 05-08-1699 | 05-08-1664 | 05-08-1664 | 05-08-1664 | 05-08-1664 | 05-08-1664 | 05-08-1664 |
Parametrics
| Parameters / Models | LT3973EDD#PBF | LT3973EDD#TRPBF | LT3973EDD-3.3#PBF | LT3973EDD-3.3#TRPBF | LT3973EDD-5#PBF | LT3973EDD-5#TRPBF | LT3973EMSE#PBF | LT3973EMSE#TRPBF | LT3973EMSE-3.3#PBF | LT3973EMSE-3.3#TRPBF | LT3973EMSE-5#PBF | LT3973EMSE-5#TRPBF | LT3973HDD#PBF | LT3973HDD#TRPBF | LT3973HDD-3.3#PBF | LT3973HDD-3.3#TRPBF | LT3973HDD-5#PBF | LT3973HDD-5#TRPBF | LT3973HMSE#PBF | LT3973HMSE#TRPBF | LT3973HMSE-3.3#PBF | LT3973HMSE-3.3#TRPBF | LT3973HMSE-5#PBF | LT3973HMSE-5#TRPBF | LT3973IDD#PBF | LT3973IDD#TRPBF | LT3973IDD-3.3#PBF | LT3973IDD-3.3#TRPBF | LT3973IDD-5#PBF | LT3973IDD-5#TRPBF | LT3973IMSE#PBF | LT3973IMSE#TRPBF | LT3973IMSE-3.3#PBF | LT3973IMSE-3.3#TRPBF | LT3973IMSE-5#PBF | LT3973IMSE-5#TRPBF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 | 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 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 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 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Output Current(typ), A | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m | 750m |
| Synchronous | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
| 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 | 42 | 42 | 42 | 42 |
| Vin(min), V | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 |
Eco Plan
| LT3973EDD#PBF | LT3973EDD#TRPBF | LT3973EDD-3.3#PBF | LT3973EDD-3.3#TRPBF | LT3973EDD-5#PBF | LT3973EDD-5#TRPBF | LT3973EMSE#PBF | LT3973EMSE#TRPBF | LT3973EMSE-3.3#PBF | LT3973EMSE-3.3#TRPBF | LT3973EMSE-5#PBF | LT3973EMSE-5#TRPBF | LT3973HDD#PBF | LT3973HDD#TRPBF | LT3973HDD-3.3#PBF | LT3973HDD-3.3#TRPBF | LT3973HDD-5#PBF | LT3973HDD-5#TRPBF | LT3973HMSE#PBF | LT3973HMSE#TRPBF | LT3973HMSE-3.3#PBF | LT3973HMSE-3.3#TRPBF | LT3973HMSE-5#PBF | LT3973HMSE-5#TRPBF | LT3973IDD#PBF | LT3973IDD#TRPBF | LT3973IDD-3.3#PBF | LT3973IDD-3.3#TRPBF | LT3973IDD-5#PBF | LT3973IDD-5#TRPBF | LT3973IMSE#PBF | LT3973IMSE#TRPBF | LT3973IMSE-3.3#PBF | LT3973IMSE-3.3#TRPBF | LT3973IMSE-5#PBF | LT3973IMSE-5#TRPBF | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LT3973 (36)
- LT3973EDD#PBF LT3973EDD#TRPBF LT3973EDD-3.3#PBF LT3973EDD-3.3#TRPBF LT3973EDD-5#PBF LT3973EDD-5#TRPBF LT3973EMSE#PBF LT3973EMSE#TRPBF LT3973EMSE-3.3#PBF LT3973EMSE-3.3#TRPBF LT3973EMSE-5#PBF LT3973EMSE-5#TRPBF LT3973HDD#PBF LT3973HDD#TRPBF LT3973HDD-3.3#PBF LT3973HDD-3.3#TRPBF LT3973HDD-5#PBF LT3973HDD-5#TRPBF LT3973HMSE#PBF LT3973HMSE#TRPBF LT3973HMSE-3.3#PBF LT3973HMSE-3.3#TRPBF LT3973HMSE-5#PBF LT3973HMSE-5#TRPBF LT3973IDD#PBF LT3973IDD#TRPBF LT3973IDD-3.3#PBF LT3973IDD-3.3#TRPBF LT3973IDD-5#PBF LT3973IDD-5#TRPBF LT3973IMSE#PBF LT3973IMSE#TRPBF LT3973IMSE-3.3#PBF LT3973IMSE-3.3#TRPBF LT3973IMSE-5#PBF LT3973IMSE-5#TRPBF
Manufacturer's Classification
- Power Management > High Input Voltage Buck Regulators | Micropower Buck Regulators | Internal Power Switch Buck Regulators
