Productos
The TPS62590DRVR from Texas Instruments is a 1A synchronous step-down converter operating at 2.25MHz fixed switching frequency with 2.5V to 5.5V input and adjustable 0.75V to VIN output. With 15μA quiescent current in power-save mode, it is optimized for battery-powered portable applications in a 2x2mm WSON-6 package.
Especificaciones
| Input Voltage Range | 2.5V to 5.5V |
| Output Voltage Range | 0.75V to VIN (adjustable) |
| Maximum Output Current | 1 A |
| Switching Frequency | 2.25 MHz (fixed) |
| Corriente de reposo | 15 μA (PFM mode) |
| Output Voltage Accuracy | ±2.5% (PWM mode) |
| Reference Voltage | 600 mV |
| Paquete | WSON-6 (2 x 2 mm) |
| Temperatura de funcionamiento | -40°C to +85°C |
Características
- 1A output current from single Li-Ion or 2-3 cell AA/AAA batteries
- 2.25MHz fixed switching frequency enables small inductor and capacitor values
- Power-save mode with 15μA quiescent current for high light-load efficiency
- Forced PWM mode via MODE pin for low-noise applications
- 100% duty cycle for lowest dropout operation
- Integrated soft-start and less than 1μA shutdown current
Aplicaciones
- Mobile phone and smartphone power management
- Portable and wearable electronics
- Low-power DSP and processor supply rails
- Point-of-load conversion in battery-powered systems
- WLAN and Bluetooth module power supplies