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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 (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447779004 | SPEC | 9 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 PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | – | 7 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 PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | – |
| 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 (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|
