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Datasheet Microchip MCP1662

ManufacturerMicrochip
SeriesMCP1662

The MCP1662 device is a compact, space-efficient, fixed-frequency, non-synchronous step-up converter optimized to drive LED strings with constant current from two and three-cell alkaline and NiMH/NiCd or one-cell Li-Ion or Li-Polymer batteries

Datasheets

  • Download » Datasheet, PDF, 780 Kb, Revision: 09-30-2015
    MCP1662 Data Sheet
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    MCP1662
    High-Voltage Step-Up LED Driver with UVLO and Open Load Protection
    Features General Description The MCP1662 device is a compact, space-efficient,
    fixed-frequency, non-synchronous step-up converter
    optimized to drive LED strings with constant current
    from a two-or three-cell alkaline or lithium EnergizerВ®,
    or NiMH/NiCd, or one-cell Lithium-Ion or Li-Polymer
    batteries. 36V, 800 mпЃ— Integrated Switch
    Up to 92% Efficiency
    Drive LED Strings in Constant Current
    1.3A Peak Input Current Limit:
    -ILED up to 200 mA @ 5.0V VIN, 4 White LEDs
    -ILED up to 125 mA @ 3.3V VIN, 4 White LEDs
    -ILED up to 100 mA @ 4.2V VIN, 8 White LEDs
    Input Voltage Range: 2.4V to 5.5V
    Feedback Voltage Reference: VFB = 300 mV
    Undervoltage Lockout (UVLO):
    -UVLO @ VIN Rising: 2.3V, typical
    -UVLO @ VIN Falling: 1.85V, typical
    Sleep Mode with 20 nA Typical Quiescent Current
    PWM Operation: 500 kHz Switching Frequency
    Cycle-by-Cycle Current Limiting
    Internal Compensation ...

Prices

Status

MCP1662T-E/MNYMCP1662T-E/OT
Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)

Packaging

MCP1662T-E/MNYMCP1662T-E/OT
PackageTDFNSOT-23
Pins85

Parametrics

MCP1662T-E/MNYMCP1662T-E/OT
Automotive QualNoNo
Duty Cycle Max, %9090
Input Voltage Range Max, V5.55.5
Input Voltage Range Min(V)2.42.4
Light Load Efficiency ModeNoNo
Operating Temperature Range, °C-40 to +125-40 to +125
Output Voltage Range Max, V3232
Quiescent Current, mA) typ0.250.25
SHUTDOWN Current, µA0.020.02
Switch current, A) typ1.31.3
Switching Frequency, kHz500500
Synchronous RectifierNoNo
Vfb, V0.30.3

Eco Plan

MCP1662T-E/MNYMCP1662T-E/OT
RoHSCompliantCompliant

Moldel Line

Series: MCP1662 (2)

Manufacturer's Classification

  • Power Management > Switching Regulators > Step Up (Boost) - Non-Synchronous Products

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