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Overview
| Topology | Boost Converter |
| Input voltage | 1.85-3.4 V |
| Output 1 | 32 V / 0.09 A |
| IC revision | A |
Description
INTRODUCTIONThis chapter contains general information that will be useful to know before using theMCP1662 LED Driver Evaluation Board.
Features
- It can be powered by two-cell Alkaline, NiCd, NiMH or Lithium AA cell batteries
- Input Voltage range (VIN): 2.4V to 5.5V, with VIN VOUT
- Undervoltage Lockout: 2.3V to Start; 1.85V to Stop
- Adjustable Output Current: 30 mA, 60 mA or 90 mA, selected using a dual switch on-board
- PWM Switching Frequency: 500 kHz
- Enable converter using switch on board
- 1.3A Peak Input Current Limit
- Overtemperature Protection (if the die temperature exceeds +150°C, with 15°C hysteresis)
- Open Load Protection in case of: LED fail or FB disconnected/fault
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | Pins | Type | Mount | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Poles | L(mm) | Vaporphase process | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 4.7 µH, 4.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance4.7 µH | Performance Rated Current4.6 A | DC Resistance32 mΩ | Self Resonant Frequency37 MHz | Size7345 | VersionRobust | Pins2 | – | MountSMT | Height4.5 mm | Rated Current3.16 A | – | Operating Temperature -40 °C up to +125 °C | – | Length7.3 mm | – | ||||
 | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | Pins2 | TypeAngled | MountTHT | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | – | Length5.08 mm | – | |||
 | WS-DISV Small Compact SMT with Raised Actuator 2.54 mm, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWS-DISV Small Compact SMT with Raised Actuator 2.54 mm | – | – | – | – | – | – | – | – | – | – | Rated Current0.025 A | – | Operating Temperature -40 °C up to +85 °C | Poles1 | Length3.48 mm | Vaporphase processnot specified | |||
 | WS-DISV Small Compact SMT with Raised Actuator 2.54 mm, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWS-DISV Small Compact SMT with Raised Actuator 2.54 mm | – | – | – | – | – | – | – | – | – | – | Rated Current0.025 A | – | Operating Temperature -40 °C up to +85 °C | Poles2 | Length6.02 mm | Vaporphase processnot specified |