L6926

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High efficiency monolithic synchronous step-down regulator

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Product overview

Description

The device is a DC-DC monolithic regulator specifically designed to provide high efficiency. The L6926 supply voltage can be as low as 2 V to be used in single Li-Ion cell supplied applications. Output voltage can be selected by an external divider down to 0.6 V. Duty cycle can saturate 100% allowing low-dropout operation. The device is based on a 600 kHz fixed frequency, current mode architecture. Low consumption mode operation can be selected at light load conditions, allowing switching losses to be reduced. The L6926 is externally synchronized by a clock, which makes it useful in noise sensitive applications. Other features like Power Good, overvoltage protection, short-circuit protection and thermal shutdown (150 °C) are also present.

  • All features

    • 2 V to 5.5 V battery input range
    • High efficiency: up to 95%
    • Internal synchronous switch
    • No external Schottky diode required
    • Extremely low quiescent current
    • 1 µA max. shutdown supply current
    • 800 mA max. output current
    • Adjustable output voltage from 0.6 V
    • Low-dropout operation: up to 100% duty cycle
    • Selectable low noise/low consumption mode at light load
    • Power Good signal
    • ± 1% output voltage accuracy
    • Current mode control
    • 600 kHz switching frequency
    • Externally synchronized from 500 kHz to 1.4 MHz
    • OVP
    • Short-circuit protection

Circuit Diagram

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EDA Symbols, Footprints and 3D Models

STMicroelectronics - L6926

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L6926013TR
Active
MiniSO-8 Industrial Ecopack2
L6926Q1TR
Active
QFN-8L P 0.5 mm Industrial Ecopack2

L6926013TR

Package:

MiniSO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

MiniSO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L6926Q1TR

Package:

QFN-8L P 0.5 mm

Material Declaration**:

Marketing Status

Active

Package

QFN-8L P 0.5 mm

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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L6926Q1TR
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L6926013TR
Available at distributors

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L6926Q1TR Active

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-
Package:
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RoHS:
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ECCN (EU):

Part Number:

L6926Q1TR

L6926013TR Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

L6926013TR

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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