Datasheet Analog Devices LTC3857-1
| Manufacturer | Analog Devices |
| Series | LTC3857-1 |
Low IQ, Dual, 2-Phase Synchronous Step-Down Controller
Datasheets
Datasheet LTC3857-1
PDF, 434 Kb, Language: en, File uploaded: Sep 23, 2017, Pages: 38
Low IQ, Dual, 2-Phase Synchronous Step-Down Controller
Low IQ, Dual, 2-Phase Synchronous Step-Down Controller
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Prices
Status
| LTC3857EGN-1#PBF | LTC3857EGN-1#TRPBF | LTC3857IGN-1#PBF | LTC3857IGN-1#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) |
Packaging
| LTC3857EGN-1#PBF | LTC3857EGN-1#TRPBF | LTC3857IGN-1#PBF | LTC3857IGN-1#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | 28-Lead SSOP (Narrow 0.15 Inch) | 28-Lead SSOP (Narrow 0.15 Inch) | 28-Lead SSOP (Narrow 0.15 Inch) | 28-Lead SSOP (Narrow 0.15 Inch) |
| Pins | 28 | 28 | 28 | 28 |
| Package Code | 05-08-1641 (GN28) | 05-08-1641 (GN28) | 05-08-1641 (GN28) | 05-08-1641 (GN28) |
Parametrics
| Parameters / Models | LTC3857EGN-1#PBF | LTC3857EGN-1#TRPBF | LTC3857IGN-1#PBF | LTC3857IGN-1#TRPBF |
|---|---|---|---|---|
| Buck Output Current(typ), A | 25, 25 | 25, 25 | 25, 25 | 25, 25 |
| Monolithic | No | No | No | No |
| Number of Outputs | 2 | 2 | 2 | 2 |
| Operating Temperature Range, °C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Synchronous | Yes | Yes | Yes | Yes |
| Vin(max), V | 38 | 38 | 38 | 38 |
| Vin(min), V | 4 | 4 | 4 | 4 |
Eco Plan
| LTC3857EGN-1#PBF | LTC3857EGN-1#TRPBF | LTC3857IGN-1#PBF | LTC3857IGN-1#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LTC3857-1 (4)
Manufacturer's Classification
- Power Management > High Input Voltage Buck Regulators | External Power Switch Buck Controllers | Micropower Buck Regulators | Multiple Output Buck Regulators
