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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 | Poles | L (mm) | Vaporphase process | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447779004 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 4.7 | 4.6 | 32 | 37 | 7345 | Robust | – | 7.3 | – | 2 | – | 4.5 | – | – | 3.16 | – | ||
 | 61300211021 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Angled Pin Header | – | – | – | – | – | – | – | 5.08 | – | 2 | Single | – | Pin Header | Angled | 3 | Bag | |
 | 418121270801 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WS-DISV Small Compact SMT with Raised Actuator 2.54 mm | – | – | – | – | – | – | 1 | 3.48 | not specified | – | – | – | – | – | 0.025 | Tape and Reel | |
 | 418121270802 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WS-DISV Small Compact SMT with Raised Actuator 2.54 mm | – | – | – | – | – | – | 2 | 6.02 | not specified | – | – | – | – | – | 0.025 | Tape and Reel |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447779004 | SPEC | |
| 61300211021 | SPEC | – |
| 418121270801 | SPEC | – |
| 418121270802 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Poles | L (mm) | Vaporphase process | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|