TC7739FTG is a system power IC which incorporates 2 channels of step-down DCDC converter, 4 channels of LDO, and 1 channel of load switch. Each output voltage can be set various output settings through the I2C bus.
Features
• AVCC input voltage range: 4.5V to 5.5V
• DCDC converter (CH1 and CH2)
Synchronous Current Mode Buck Converters
Output current 2A and more
Operation frequency: 2 MHz(CH1),1.5 MHz(CH2)
Output voltage accuracy: ±1%@Ta=25°C
±2%@Ta=-40°C to 85°C
Output voltage ripple: 20mVp-p or less (recommended components use)
Built in Discharge circuit
Built in Soft Start function
Load regulation 0.5%
Line regulation 0.5%
Built in Over Voltage Protection (OVP)
Built in Under Voltage Protection (UVP)
Built in Over Current Limitation (OCL)
Widely current range support by PFM/PWM auto switching