STEVAL-ILL046V1

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Design Win

HB LED driver with inhibit based on the ST1CC40 in a QFN package

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Product overview

Description

The STEVAL-ILL046V1 evaluation board is based on the ST1CC40, which is an 850 kHz fixed switching frequency monolithic step-down DC-DC converter designed to operate as a precise constant current source with an adjustable current capability of up to 3 A DC. In closed loop operation, the ST1CC40 feedback pin voltage is 100 mV thus the sensing resistor calculation is expressed as Rs = 100 mV/ILED.
The STEVAL-ILL046V1 is provided with 660 mA by connecting a 150 mW sensing resistor to the feedback pin.
The overall application size is minimized, thanks to the high switching frequency and ceramic output capacitor compatibility.
The STEVAL-ILL046V1 evaluation board is fully protected against overheating, overcurrent and output short-circuit.
The inhibit mode minimizes the current consumption in standby (6 µA) to maximize battery life in portable devices.
  • All features

    • 3 to 18 V operating input voltage range
    • 850 kHz fixed switching frequency
    • 100 mV (typ) current sense voltage drop
    • 6 µA standby current in inhibit mode
    • ±7% output current accuracy
    • Synchronous rectification
    • Embedded compensation network
    • Internal current limiting
    • Ceramic output capacitor compliant
    • Thermal shutdown
    • RoHS compliant

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-ILL046V1
Active
CARD Industrial Ecopack2 -

STEVAL-ILL046V1

Package:

CARD

Material Declaration**:

Marketing Status

Active

Package

CARD

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

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Part Number
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Core Product
Marketing Status
Supplier
ECCN (US)
ECCN (EU)
Country of Origin
Budgetary Price (US$)*/Qty
STEVAL-ILL046V1 No availability of distributors reported, please contact our sales office ST1CC40
Active
- EAR99 NEC ITALY

STEVAL-ILL046V1 Active

ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

STEVAL-ILL046V1

Core Product:

ST1CC40

Supplier:

-

ECCN (EU):

NEC

Country of Origin:

ITALY

No availability of distributors reported, please contact our sales office
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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors