16V/20A Synchronous Step Down Regulator
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- Parameters
- Features
- Description
| Part number |
SY26190TXQ |
| Channel(#) |
1 |
| Vin (min) (V) |
2.9 |
| Vin (max) (V) |
16 |
| Switching frequency (min)(kHz) |
|
| Switching frequency (max)(kHz) |
|
| Vout (min) (V) |
0.6 |
| Vout (max) (V) |
|
| Iout (max) (A) |
20 |
| Vout2 (min)(V) |
|
| Vout2 (max )(V) |
|
| Iout2 (max)(A) |
|
| Vref accuracy (±%) |
±1% |
| Vout accuracy(±%) |
|
| Control mode |
|
| Duty cycle (max)(%) |
|
| Operation mode |
|
| Iq (typ) (uA) |
|
| Features |
Remote sense, seamless ILMT, pre-bias startup, FCCM/PFM |
| Package |
QFN3x4-21 |
| Operating temperature range(°C) |
|
| Functional safety category |
|
- Wide Input Voltage Range:
2.9V to 3.6V if VCC is Connected to IN (RC filter is needed from IN to VCC)
2.9V to 16V if VCC is Supplied by External Source
3.6V to 16V if VCC is Supplied by Internal LDO
- Internal 8.6mΩ Power Switch and 2.5mΩ Synchronous Rectifier
- Accurate Feedback Set Point: 0.6V ±1% from -40°C to 125°C
- Differential Remote Sense
- Fast Transient Response
- 600kHz, 800kHz and 1000kHz Operating Frequency
- Selectable Automatic High-efficiency Discontinuous Operating Mode at Light Loads
- Programmable Valley Current Limit
- Reliable Built-in Protections:
Automatic Recovery for Input Under-voltage (UVLO), Output Under-voltage (UVP) and Over-temperature (OTP) Conditions
Cycle-by-cycle Valley and Peak Current Limit (OCP)
Hic-cup Mode after 128 Consecutive Cycles Valley Current Limit Protection
Cycle-by-cycle Reverse Current Limit
- Internal and Adjustable Soft-start to Limits Inrush Current
- Smoothly Startup with Pre-biased VOUT
- Power Good Output Monitor for Under-voltage and Over-voltage
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
The EVB_SY26190TXQ is intended for evaluating 20A continuous, 16V input, 600kHz, 800kHz or 1000kHz synchronous Buck regulator.
