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ST1S10 - synchronous DC-DC converter
MASTERS Ltd. offers innovative synchronous DC-DC converter ST1S10 manufactured by ST Microelectronics [STM].
Main features
- Output current up to 3A
- Output voltage regulation from 0.8V
- Input voltage from 2.5 to 18V
- Operating modes: PWM, step-down
- Synchronous converter
- Operating frequency from 400kHz to 1.2MHz
- Dynamic short-circuit protection
- Build in soft start
- Efficiency up to 90%
- Output voltage tolerance 2%
- Low stand-by current: max 6uA
- Junction temperature from -25C to 125C
- Enable input
- PowerSO-8 and DFN8 packages
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Modern and cost effective solution
Innovative ST1S10 converter requires minimum number of external component - this solution is fantastic cost saver and low component count helps to achieve reliable solution.
Application shown bellow is a good example of components reduction.
Circuit diagram:
Efficiency:
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Benefits:
- Minimum number of component required - low cost
- Synchronous operation
- High frequency operation
- High efficiency - up to 95%
- Very low inductance required 3.3uH - cost saving
- Small caps required - 4.7uF i 22uF (SMD)
- Soft-start circuit
- Simple and robust output voltage setting
- Small package (PowerSO-8 or DFN8)
- Enable input
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Downloads
ST1S10 - Datasheet, design rules, layout recommendation
ST1xx family DC-DC converters - flyer from STM
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