Datasheet Analog Devices LT3971
| Manufacturer | Analog Devices |
| Series | LT3971 |
38V, 1.2A, 2MHz Step-Down Regulator with 2.8μA Quiescent Current
Datasheets
Datasheet LT3971, LT3971-3.3, LT3971-5
PDF, 643 Kb, Language: en, File uploaded: Sep 19, 2017, Pages: 28
38V, 1.2A, 2MHz Step-Down Regulator with 2.8μA Quiescent Current
38V, 1.2A, 2MHz Step-Down Regulator with 2.8μA Quiescent Current
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Prices
Status
| LT3971EDD#PBF | LT3971EDD#TRPBF | LT3971EDD-3.3#PBF | LT3971EDD-3.3#TRPBF | LT3971EDD-5#PBF | LT3971EDD-5#TRPBF | LT3971EMSE#PBF | LT3971EMSE#TRPBF | LT3971EMSE-3.3#PBF | LT3971EMSE-3.3#TRPBF | LT3971EMSE-5#PBF | LT3971EMSE-5#TRPBF | LT3971EMSE16#PBF | LT3971EMSE16#TRPBF | LT3971IDD#PBF | LT3971IDD#TRPBF | LT3971IDD-3.3#PBF | LT3971IDD-3.3#TRPBF | LT3971IDD-5#PBF | LT3971IDD-5#TRPBF | LT3971IMSE#PBF | LT3971IMSE#TRPBF | LT3971IMSE-3.3#PBF | LT3971IMSE-3.3#TRPBF | LT3971IMSE-5#PBF | LT3971IMSE-5#TRPBF | LT3971IMSE16#PBF | LT3971IMSE16#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) |
Packaging
| LT3971EDD#PBF | LT3971EDD#TRPBF | LT3971EDD-3.3#PBF | LT3971EDD-3.3#TRPBF | LT3971EDD-5#PBF | LT3971EDD-5#TRPBF | LT3971EMSE#PBF | LT3971EMSE#TRPBF | LT3971EMSE-3.3#PBF | LT3971EMSE-3.3#TRPBF | LT3971EMSE-5#PBF | LT3971EMSE-5#TRPBF | LT3971EMSE16#PBF | LT3971EMSE16#TRPBF | LT3971IDD#PBF | LT3971IDD#TRPBF | LT3971IDD-3.3#PBF | LT3971IDD-3.3#TRPBF | LT3971IDD-5#PBF | LT3971IDD-5#TRPBF | LT3971IMSE#PBF | LT3971IMSE#TRPBF | LT3971IMSE-3.3#PBF | LT3971IMSE-3.3#TRPBF | LT3971IMSE-5#PBF | LT3971IMSE-5#TRPBF | LT3971IMSE16#PBF | LT3971IMSE16#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 |
| 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 | 16-Lead MSOP w/ EP | 16-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 | 16-Lead MSOP w/ EP | 16-Lead MSOP w/ EP |
| Pins | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 16 | 16 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 16 | 16 |
| 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 | 05-08-1667 | 05-08-1667 | 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 | 05-08-1667 | 05-08-1667 |
Parametrics
| Parameters / Models | LT3971EDD#PBF | LT3971EDD#TRPBF | LT3971EDD-3.3#PBF | LT3971EDD-3.3#TRPBF | LT3971EDD-5#PBF | LT3971EDD-5#TRPBF | LT3971EMSE#PBF | LT3971EMSE#TRPBF | LT3971EMSE-3.3#PBF | LT3971EMSE-3.3#TRPBF | LT3971EMSE-5#PBF | LT3971EMSE-5#TRPBF | LT3971EMSE16#PBF | LT3971EMSE16#TRPBF | LT3971IDD#PBF | LT3971IDD#TRPBF | LT3971IDD-3.3#PBF | LT3971IDD-3.3#TRPBF | LT3971IDD-5#PBF | LT3971IDD-5#TRPBF | LT3971IMSE#PBF | LT3971IMSE#TRPBF | LT3971IMSE-3.3#PBF | LT3971IMSE-3.3#TRPBF | LT3971IMSE-5#PBF | LT3971IMSE-5#TRPBF | LT3971IMSE16#PBF | LT3971IMSE16#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 |
| 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 |
| 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 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 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Output Current(typ), A | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
| 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 |
| Vin(max), V | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 |
| Vin(min), V | 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 |
Eco Plan
| LT3971EDD#PBF | LT3971EDD#TRPBF | LT3971EDD-3.3#PBF | LT3971EDD-3.3#TRPBF | LT3971EDD-5#PBF | LT3971EDD-5#TRPBF | LT3971EMSE#PBF | LT3971EMSE#TRPBF | LT3971EMSE-3.3#PBF | LT3971EMSE-3.3#TRPBF | LT3971EMSE-5#PBF | LT3971EMSE-5#TRPBF | LT3971EMSE16#PBF | LT3971EMSE16#TRPBF | LT3971IDD#PBF | LT3971IDD#TRPBF | LT3971IDD-3.3#PBF | LT3971IDD-3.3#TRPBF | LT3971IDD-5#PBF | LT3971IDD-5#TRPBF | LT3971IMSE#PBF | LT3971IMSE#TRPBF | LT3971IMSE-3.3#PBF | LT3971IMSE-3.3#TRPBF | LT3971IMSE-5#PBF | LT3971IMSE-5#TRPBF | LT3971IMSE16#PBF | LT3971IMSE16#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 |
Other Options
Model Line
Series: LT3971 (28)
- LT3971EDD#PBF LT3971EDD#TRPBF LT3971EDD-3.3#PBF LT3971EDD-3.3#TRPBF LT3971EDD-5#PBF LT3971EDD-5#TRPBF LT3971EMSE#PBF LT3971EMSE#TRPBF LT3971EMSE-3.3#PBF LT3971EMSE-3.3#TRPBF LT3971EMSE-5#PBF LT3971EMSE-5#TRPBF LT3971EMSE16#PBF LT3971EMSE16#TRPBF LT3971IDD#PBF LT3971IDD#TRPBF LT3971IDD-3.3#PBF LT3971IDD-3.3#TRPBF LT3971IDD-5#PBF LT3971IDD-5#TRPBF LT3971IMSE#PBF LT3971IMSE#TRPBF LT3971IMSE-3.3#PBF LT3971IMSE-3.3#TRPBF LT3971IMSE-5#PBF LT3971IMSE-5#TRPBF LT3971IMSE16#PBF LT3971IMSE16#TRPBF
Manufacturer's Classification
- Power Management > Internal Power Switch Buck Regulators | High Input Voltage Buck Regulators | Micropower Buck Regulators
