R5220x Description
R5220x SERIES PWM Step-down DC/DC Converter with switch function NO.EA-121-070824 OUTLINE The R5220x Series are CMOS-based PWM step-down DC/DC Converters with synchronous rectifier, low supply current and LDO mode. DC/DC converter of the R5220x consists of an oscillator, a PWM control circuit, a reference voltage unit, an error amplifier, a soft-start circuit, protection circuits, a protection against miss operation...
R5220x Key Features
- Supply Current
- Typ. 350µA (DC/DC), Typ. 5µA (VR) Standby Current
- Typ. 0.1µA Built-in Driver ON Resistance
- P-channel 0.5Ω, N-channel 0.5Ω (at VIN=3.6V) Output Current
- Min. 400mA (DC/DC), Min. 50mA (VR) Input Voltage
- 2.8V to 5.5V (Absolute Input Maximum: 6.5V) Output Voltage
- 1.0V to 3.3V Output Voltage Accuracy
- ±2.0% (VOUT > = 1.5), ±30mV (VOUT <1.5V) Oscillator Frequency (DC/DC)
- Typ. 1.2MHz Package
- SON-6, PLP2514-6 Built-in Soft-start Function