High Efficiency 1.5MHz, 1A Synchronous Step Down Regulator
- Parameters
- Features
- Description
Part Number | SY20018AAC |
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Vin_min (V) | 2.5 |
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Vin_max (V) | 5.5 |
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Io_max (A) | 1 |
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Channels | |
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Vo_min (V) | 0.6 |
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Fsw (MHz) | 1.5 |
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Vref (V) | |
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Vref Accuracy | ±2% |
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Iq (uA) | 40 |
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Rdson1 | |
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Rdson2 | 260 |
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Soft Start | 1 |
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Package | SOT23-5 |
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Topology | |
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Protection Mode | |
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Features / Special Function | |
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Temp Range | 170 |
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· Low RDS(ON) for Internal Switches (top/bottom) 260mΩ/170mΩ
· 2.5~5.5V Input Voltage Range
· 38μA Typical Quiescent Current @3.5Vin
48μA Typical Quiescent Current @5.5Vin
· High Light Load Efficiency
· High Switching Frequency 1.5MHz Minimizes the External Components
· Internal Soft-start Limits the Inrush Current
· 100% Dropout Operation
· RoHS Compliant and Halogen Free
· Compact Package: SOT23-5
The SY20018 is a high efficiency 1.5MHz synchronous step down DC/DC regulator IC capable of delivering up to 1A output current. It can operate over a wide input voltage range from 2.5V to 5.5V and integrate main switch and synchronous switch with very low RDS (ON) to minimize the conduction loss.
Evaluation Board
Photo of evaluation board
Photo of evaluation board
DB_SY20018AAC is intended for evaluating 1.5MHz, 1A synchronous buck regulator. It features Enable control, output voltage selection inputs.
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