Datasheet Microchip MCP1642
| Manufacturer | Microchip |
| Series | MCP1642 |
The MCP1642B/D is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter
Datasheets
Prices
Status
| MCP1642B-18I/MC | MCP1642B-18I/MS | MCP1642B-30I/MC | MCP1642B-30I/MS | MCP1642B-33I/MC | MCP1642B-33I/MS | MCP1642B-50I/MC | MCP1642B-50I/MS | MCP1642B-ADJI/MC | MCP1642B-ADJI/MS | MCP1642BT-18I/MC | MCP1642BT-18I/MS | MCP1642BT-30I/MC | MCP1642BT-30I/MS | MCP1642BT-33I/MC | MCP1642BT-33I/MS | MCP1642BT-50I/MC | MCP1642BT-50I/MS | MCP1642BT-ADJI/MC | MCP1642BT-ADJI/MS | MCP1642D-18I/MC | MCP1642D-18I/MS | MCP1642D-30I/MC | MCP1642D-30I/MS | MCP1642D-33I/MC | MCP1642D-33I/MS | MCP1642D-50I/MC | MCP1642D-50I/MS | MCP1642D-ADJI/MC | MCP1642D-ADJI/MS | MCP1642DT-18I/MC | MCP1642DT-18I/MS | MCP1642DT-30I/MC | MCP1642DT-30I/MS | MCP1642DT-33I/MC | MCP1642DT-33I/MS | MCP1642DT-50I/MC | MCP1642DT-50I/MS | MCP1642DT-ADJI/MC | MCP1642DT-ADJI/MS | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) | 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
| MCP1642B-18I/MC | MCP1642B-18I/MS | MCP1642B-30I/MC | MCP1642B-30I/MS | MCP1642B-33I/MC | MCP1642B-33I/MS | MCP1642B-50I/MC | MCP1642B-50I/MS | MCP1642B-ADJI/MC | MCP1642B-ADJI/MS | MCP1642BT-18I/MC | MCP1642BT-18I/MS | MCP1642BT-30I/MC | MCP1642BT-30I/MS | MCP1642BT-33I/MC | MCP1642BT-33I/MS | MCP1642BT-50I/MC | MCP1642BT-50I/MS | MCP1642BT-ADJI/MC | MCP1642BT-ADJI/MS | MCP1642D-18I/MC | MCP1642D-18I/MS | MCP1642D-30I/MC | MCP1642D-30I/MS | MCP1642D-33I/MC | MCP1642D-33I/MS | MCP1642D-50I/MC | MCP1642D-50I/MS | MCP1642D-ADJI/MC | MCP1642D-ADJI/MS | MCP1642DT-18I/MC | MCP1642DT-18I/MS | MCP1642DT-30I/MC | MCP1642DT-30I/MS | MCP1642DT-33I/MC | MCP1642DT-33I/MS | MCP1642DT-50I/MC | MCP1642DT-50I/MS | MCP1642DT-ADJI/MC | MCP1642DT-ADJI/MS | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 37 | 38 | 39 | 40 |
| Package | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP | DFN | MSOP |
| Pins | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Parametrics
| Parameters / Models | MCP1642B-18I/MC | MCP1642B-18I/MS | MCP1642B-30I/MC | MCP1642B-30I/MS | MCP1642B-33I/MC | MCP1642B-33I/MS | MCP1642B-50I/MC | MCP1642B-50I/MS | MCP1642B-ADJI/MC | MCP1642B-ADJI/MS | MCP1642BT-18I/MC | MCP1642BT-18I/MS | MCP1642BT-30I/MC | MCP1642BT-30I/MS | MCP1642BT-33I/MC | MCP1642BT-33I/MS | MCP1642BT-50I/MC | MCP1642BT-50I/MS | MCP1642BT-ADJI/MC | MCP1642BT-ADJI/MS | MCP1642D-18I/MC | MCP1642D-18I/MS | MCP1642D-30I/MC | MCP1642D-30I/MS | MCP1642D-33I/MC | MCP1642D-33I/MS | MCP1642D-50I/MC | MCP1642D-50I/MS | MCP1642D-ADJI/MC | MCP1642D-ADJI/MS | MCP1642DT-18I/MC | MCP1642DT-18I/MS | MCP1642DT-30I/MC | MCP1642DT-30I/MS | MCP1642DT-33I/MC | MCP1642DT-33I/MS | MCP1642DT-50I/MC | MCP1642DT-50I/MS | MCP1642DT-ADJI/MC | MCP1642DT-ADJI/MS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Automotive Qual | 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 | No | No | No | No |
| Duty Cycle Max, % | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
| Input Voltage Range Max, V | 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 | 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 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Input Voltage Range Min(V) | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 |
| Light Load Efficiency Mode | 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 | No | No | No | No |
| Operating Temperature Range, °C | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Voltage Range Max, V | 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 | 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 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Output Voltage Range Min, V | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| Quiescent Current, mA) typ | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| SHUTDOWN Current, µA | 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 | 1 | 1 | 1 | 1 |
| Switch current, A) typ | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| Switching Frequency, kHz | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| Synchronous Rectifier | 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 | Yes | Yes | Yes | Yes |
| Vfb, V | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 | 1.21 |
Eco Plan
| MCP1642B-18I/MC | MCP1642B-18I/MS | MCP1642B-30I/MC | MCP1642B-30I/MS | MCP1642B-33I/MC | MCP1642B-33I/MS | MCP1642B-50I/MC | MCP1642B-50I/MS | MCP1642B-ADJI/MC | MCP1642B-ADJI/MS | MCP1642BT-18I/MC | MCP1642BT-18I/MS | MCP1642BT-30I/MC | MCP1642BT-30I/MS | MCP1642BT-33I/MC | MCP1642BT-33I/MS | MCP1642BT-50I/MC | MCP1642BT-50I/MS | MCP1642BT-ADJI/MC | MCP1642BT-ADJI/MS | MCP1642D-18I/MC | MCP1642D-18I/MS | MCP1642D-30I/MC | MCP1642D-30I/MS | MCP1642D-33I/MC | MCP1642D-33I/MS | MCP1642D-50I/MC | MCP1642D-50I/MS | MCP1642D-ADJI/MC | MCP1642D-ADJI/MS | MCP1642DT-18I/MC | MCP1642DT-18I/MS | MCP1642DT-30I/MC | MCP1642DT-30I/MS | MCP1642DT-33I/MC | MCP1642DT-33I/MS | MCP1642DT-50I/MC | MCP1642DT-50I/MS | MCP1642DT-ADJI/MC | MCP1642DT-ADJI/MS | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: MCP1642 (40)
- MCP1642B-18I/MC MCP1642B-18I/MS MCP1642B-30I/MC MCP1642B-30I/MS MCP1642B-33I/MC MCP1642B-33I/MS MCP1642B-50I/MC MCP1642B-50I/MS MCP1642B-ADJI/MC MCP1642B-ADJI/MS MCP1642BT-18I/MC MCP1642BT-18I/MS MCP1642BT-30I/MC MCP1642BT-30I/MS MCP1642BT-33I/MC MCP1642BT-33I/MS MCP1642BT-50I/MC MCP1642BT-50I/MS MCP1642BT-ADJI/MC MCP1642BT-ADJI/MS MCP1642D-18I/MC MCP1642D-18I/MS MCP1642D-30I/MC MCP1642D-30I/MS MCP1642D-33I/MC MCP1642D-33I/MS MCP1642D-50I/MC MCP1642D-50I/MS MCP1642D-ADJI/MC MCP1642D-ADJI/MS MCP1642DT-18I/MC MCP1642DT-18I/MS MCP1642DT-30I/MC MCP1642DT-30I/MS MCP1642DT-33I/MC MCP1642DT-33I/MS MCP1642DT-50I/MC MCP1642DT-50I/MS MCP1642DT-ADJI/MC MCP1642DT-ADJI/MS
