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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.
Key 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
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Sample & Buy
| Part Number | Package | Packing Type | Marketing Status | ECCN (US) | Country of Origin | Approximate Price (US$)* / Qty | Order from ST | Order from Distributors |
|---|---|---|---|---|---|---|---|---|
| L6926Q1TR | DFN8 3x3 | Tape And Reel | Active | EAR99 | PHILIPPINES | 2.45 / 1k | Buy now | No availability of distributors reported, please contact our sales office |
| L6926013TR | MSOP/TSSOP 8 | Tape And Reel | Active | EAR99 | MALAYSIA | 2.16 / 1k | Buy now | Check Availability |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
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Evaluation Tools
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Picture Part number Manufacturer Description 
STEVAL-ISA078V1 -- High efficiency synchronous step-up regulator based on the L6926 Part NumberHigh efficiency synchronous step-up regulator based on the L6926
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| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| L6926013TR | Active | MSOP/TSSOP 8 | Industrial | Ecopack2 | |
| L6926Q1TR | Active | DFN8 3x3 | Industrial | 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.
