SY21243C3RHC (SY8388C3RHC)
High Efficiency Fast Response, 8A, 28V Input, Fixed 5.1V Output Synchronous Step Down Regulator
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- Parameters
- Features
- Description
| Part number |
SY21243C3RHC |
| Channel(#) |
|
| Vin (min) (V) |
5.5 |
| Vin (max) (V) |
24 |
| Switching frequency (min)(kHz) |
|
| Switching frequency (max)(kHz) |
|
| Vout (min) (V) |
5.1 |
| Vout (max) (V) |
|
| Iout (max) (A) |
8 |
| Vout2 (min)(V) |
|
| Vout2 (max )(V) |
|
| Iout2 (max)(A) |
|
| Vref accuracy (±%) |
|
| Vout accuracy(±%) |
|
| Control mode |
|
| Duty cycle (max)(%) |
|
| Operation mode |
|
| Iq (typ) (uA) |
|
| Features |
Power Good Indicator,100mA LDO Current Capability,Auto-Discharge |
| Package |
QFN2.5x2.5-16 |
| Operating temperature range(°C) |
|
| Functional safety category |
|
- Low RDS(ON) for Internal Switches (Top/Bottom): 20/10mΩ
- Wide Input Voltage Range: 5.5~24V
- Integrated Bypass Switch: 1.5Ω
- Instant PWM Architecture to Achieve Fast Transient Responses
- Internal Soft-start Limits the Inrush Current
- Pseudo-constant Frequency: 600kHz
- Fixed 5.1V Output Voltage
- 8A Output Current Capability
- 100mA LDO Current Capability
- ±1.5% Internal Reference Voltage
- PFM/USM Selectable Light Load Operation Mode
- Power Good Indicator
- Output Discharge Function
- Cycle-by-cycle Valley and Peak Current Protection for Buck
- Latch-off Mode Output Under Voltage Protection for Buck
- Latch-off Mode Output Over Voltage Protection for Buck
- Latch-off Mode Over Temperature Protection for Buck
- Auto-recovery Mode Output Under Voltage Protection for LDO
- Auto-recovery Mode Over Temperature Protection for LDO
- Input Under Voltage Lock-out(UVLO)
- RoHS Compliant and Halogen Free
- Compact package: QFN2.5×2.5-16
Evaluation Board
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Photo of evaluation board
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Photo of evaluation board
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Photo of evaluation board
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Photo of evaluation board
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Photo of evaluation board
EVB_SY21243C3RHC_1 is intended for evaluating 600kHz, 8A output current, 24V input synchronous Buck regulator.
