High Efficiency, 12A, 17V Input Synchronous Step-down Regulator
- Parameters
- Features
- Description
| Part number |
SQ29047BWZQ |
| Channel(#) |
|
| Vin (min) (V) |
|
| Vin (max) (V) |
|
| Switching frequency (min)(kHz) |
|
| Switching frequency (max)(kHz) |
|
| Vout (min) (V) |
|
| Vout (max) (V) |
|
| Iout (max) (A) |
|
| Vout2 (min)(V) |
|
| Vout2 (max )(V) |
|
| Iout2 (max)(A) |
|
| Vref accuracy (±%) |
|
| Vout accuracy(±%) |
|
| Control mode |
|
| Duty cycle (max)(%) |
|
| Operation mode |
|
| Iq (typ) (uA) |
|
| Features |
|
| Package |
|
| Operating temperature range(°C) |
|
| Functional safety category |
|
- Wide Input Voltage Range: 4.5-17V
- Internal 9.8mΩ Power Switch and 4.5mΩ Synchronous Rectifier
- Accurate Feedback Set Point: 0.6V ±1%
- Fast Transient Response
- Selectable 400kHz, 800kHz and 1200kHz Operating Frequency
- Selectable Automatic High-efficiency Discontinuous Operating Mode at Light Loads
- Selectable Valley Current Limit
- Reliable Built-in Protections:
- Automatic Recovery for Input Under-voltage (UVLO), Output Under-voltage (UVP), Output Over-voltage (OVP) and Over-temperature (OTP) Conditions
- Cycle-by-cycle Reverse, Valley and Peak Current Limit (OCP)
- Internal, Adjustable Soft-Start to limit Inrush Current
- Smooth Pre-biased Startup
- Power Good Output Monitor for Under-voltage and Over-voltage
The SQ29047B is high-efficiency synchronous step-down DC/DC regulator that features internal power and synchronous rectifier switches, and is capable of delivering 12A continuous output current over a wide input voltage range from 4.5V to 17V. The output voltage is adjustable from 0.6V to 5.5V.
