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Details
| Topologie | Aufwärtswandler |
| Eingangsspannung | 1.8-3.6 V |
| Ausgang 1 | 5 V / 0.7 A |
| IC-Revision | A |
Beschreibung
The MCP1642B Two-Cells to USB Power Evaluation Board is used to evaluate and demonstrate Microchip Technology’s MCP1642B Switching Boost Regulator. This board demonstrates the MCP1642B capabilities in a boost-converter application supplied from two AA batteries or from an external voltage source. A USB cable can be connected to the output of MCP1642B Two-Cells to USB Power Evaluation Board and used to provide power to portable electronic devices when necessary. It can be used to evaluate the MSOP-8 package. The MCP1642B Two-Cells to USB Power Evaluation Board was developed to help engineers reduce the product design cycle time. On the MCP1642B Two-Cells to USB Power Evaluation Board, the output voltage has the value of 5.0V (the fixed value MCP1642B-50 device is used), resulting in a simple and compact application. The footprints for RT and RB (resistor divider connected to the FB pin) are not populated and will only be used if MCP1642B-ADJ, the adjustable option, will be tested. An enable (EN Switch selection) is used to enable and disable the converter. When enabled, the MCP1642B will regulate the output voltage; when disabled, the MCP1642B will disconnect the path from input to output for “true-disconnect”
Eigenschaften
- It can be powered by two AA batteries or external power supply
- Input voltage range (V IN ): 1.8V to 5.5V, with V IN V OUT
- Minimum start-up voltage: 1.8V at V OUT = 5.0V and I OUT = 1 mA, resistive load
- Output voltage: 5.0V
- Output current: typical 700 mA @ 5V output, 2.8V input
- PWM operation
- PWM switching frequency: 1 MHz
- Power Good indicator 2 mA LED
- Enable state selectable using EN switch
- Peak input current limit of 1.8A
- Overtemperature protection (if the die temperature exceeds +150°C, with 35°C hysteresis)
- USB A output connector
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | λDom typ.(nm) | Farbe | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chiptechnologie | 2θ50% typ.(°) | Interface typ | Typ | Gender | Pins | Montageart | IR(mA) | Arbeitsspannung(V (AC)) | Verpackung | Poles | L(mm) | Dampfphasenprozess | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Rot | Downloads26 Dateien Strahldaten
| Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMCW SMT Mono-color Chip LED Waterclear | dominante Wellenlänge [typ.]625 nm | FarbeRot | Spitzen-Wellenlänge [typ.]630 nm | Lichtstärke [typ.]250 mcd | Durchlassspannung [typ.]2 V | ChiptechnologieAlInGaP | Abstrahlwinkel Phi 0° [typ.]140 ° | – | – | – | – | MontageartSMT | – | – | VerpackungTape and Reel | – | Länge1.6 mm | – | |||
 | WS-DISV Small Compact SMT with Raised Actuator 2.54 mm, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | – | – | – | – | – | – | – | – | – | – | – | – | Nennstrom25 mA | – | VerpackungTape and Reel | Poles1 | Länge3.48 mm | Dampfphasenprozessnicht spezifiziert | ||||
 | WR-USB Standard Connectors, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-USB Standard Connectors | – | – | – | – | – | – | – | Interface typType A | TypHorizontal | GenderBuchse | Pins4 | MontageartSMT | Nennstrom1500 mA | Arbeitsspannung30 V (AC) | VerpackungTray | – | – | – |