High Efficiency Fast Response, 8A, 24V Input Synchronous Step Down Regulator
- Parameters
- Features
- Description
Part Number | SY21243ARHC |
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Vin_min (V) | 4 |
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Vin_max (V) | 24 |
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Vo_min (V) | 0.6 |
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Io_max (A) | 8 |
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Vref Accuracy | ±1% |
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Fsw (MHz) | 0.6 |
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Iq (uA) | 140 |
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Package | QFN2.5×2.5-16 |
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Protection Mode | OVP,Hic-cup SCP |
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Features / Special Function | Power Good Indicator,Auto-Discharge |
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- Low RDS(ON) for Internal Switches (Top/Bottom): 20/10 mΩ
- Wide Input Voltage Range: 4~24V
- Integrated Bypass Switch: 1.5Ω
- Instant PWM Architecture to Achieve Fast Transient Responses
- Internal Soft-Start Limits the Inrush Current
- Pseudo-Constant Frequency: 600kHz
- Adjustable Output Voltage Application
- 8A Output Current Capability
- ±1% Internal Reference Voltage
- PFM/FCCM Selectable Light Load Operation Mode
- Power Good Indicator
- Output Discharge Function
- Cycle-by-cycle Valley and Peak Current Limit Protection
- Programmable Valley Current Limit Threshold by ILMT Pin
- Hic-cup Mode Output Under Voltage Protection
- Auto-recovery Mode Output Over Voltage Protection
- Auto-recovery Mode Over Temperature Protection
- Input UVLO
- RoHS Compliant and Halogen Free
- Compact Package: QFN2.5×2.5-16
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
EVB_SY21243ARHC_1 is intended for evaluating fast response, 8A continuous, 12A peak, 24V Input synchronous Buck regulator.
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