TPS56C20
TPS56C20 is Synchronous Step-Down Voltage Regulator manufactured by Texas Instruments.
ures
- 1 D-CAP2™ Control
- Input Voltage Range: 4.5V to 17V
- Switching Frequency: 500k Hz
- Optimized for a 1.0µH to 2.2µH Inductor
- ±1% Output Voltage Accuracy
- Features via I2C patible Interface
- Output Voltage (VID): 0.6V to 1.87V in 10m V
- Auto-Skip Eco-mode™ ON/OFF (Light-load)
- Current Limit Target: 40% to 160%
- Enabling IC, Reading-back Power-good
- Hiccup Mode Protection ON/OFF
- IC Terminal Features
- Start-up by Using External Resistors
Output Voltage with VFB Pin: 0.6V to 1.87V
- Adjustable Soft-start,
Monotonic Pre-Biased Start-up
- Power-good
- I2C Address Programming (2bits)
- Cycle-by-Cycle Overcurrent Limiting Control
- Thermal Shutdown (TSD)
- Undervoltage Lockout (UVLO)
- TSSOP Package (PWP) with Power PAD™
2 Applications
- Media Processors for Consumer Applications: Digital TVs, Set Top Boxes (STB, DVD/Blu-ray Player, Cable/Satellite Modem)
- So C Processors
- High Density Power Distribution Systems
3 Description
The TPS56X20 is a synchronous DC-DC converter IC (integrated circuit) with a voltage scaling control to power up micro-processors (MCUs) requiring core voltage (VCORE) tune-ups. After the initial power-up, the output voltage can be programmed/scaled by VID codes sent over an I2C patible bus.
This step-down (buck) converter employs an adaptive on-time D-CAP2 mode control which provides a very fast transient response with no external ponents. Unlike traditional voltage-/current-mode controls, the D-CAP2 supports seamless transition between PWM mode for higher load and Eco-mode™ for light load. Eco-mode maintains high efficiency in...
