Texas Instruments TLV62569 Step-Down Buck Converters
Texas Instruments TLV62569 Step-Down Buck Converters are synchronous step-down buck DC-DC converters optimized for high efficiency and compact solution size. The device integrates switches capable of delivering an output current up to 2A. The device operates in pulse width modulation (PWM) mode at medium to heavy loads with a 1.5MHz switching frequency. The device automatically enters Power Save Mode (PSM) at light load to maintain high efficiency over the entire load current range. In a shutdown, the current consumption is reduced to less than 2µA. The Texas Instruments TLV62569 provides an adjustable output voltage via an external resistor divider. An internal soft-start circuit limits the inrush current during startup. Other features like over current protection, thermal shutdown protection, and Power Good are built-in.Features
- Up to 95% efficiency
- Low RDS(ON) switches 100mΩ / 60mΩ
- 2.5V to 5.5V input voltage range
- An adjustable output voltage from 0.6V to VIN
- Power save mode for light load efficiency
- 100% duty cycle for lowest dropout
- 35µA operating quiescent current
- 1.5MHz typical switching frequency
- Power-Good output
- Overcurrent protection
- Internal soft startup
- Thermal shutdown protection
- Available in a SOT package
- Pin-to-pin compatible with TLV62568
Applications
- General purpose POL supply
- Set-top box
- Network video camera
- Wireless router
- Hard disk driver
Functional Block Diagram
Publié le: 2017-07-31
| Mis à jour le: 2022-06-09
