R1243K Description
R1243x Series 30 V Input 2 A Buck DC/DC Converter No.EA-206-241216 OUTLINE The R1243x is a CMOS-based step-down DC/DC converter with internal Nch high-side Tr. (0.175 Ω), which can provide the maximum 2 A output current. Internally, the R1243x consists of an oscillator, a PWM control circuit, a reference voltage unit, an error amplifier, phase pensation circuits, a slope circuit, a soft-start circuit, protection...
R1243K Key Features
- Operating Voltage Range
- 4.5 V to 30 V
- Standby Current
- Max. 10 µA (VIN = 30 V, CE = L)
- Supply Current
- Typ. 0.7 mA (VIN = 30 V, VFB = 1.0 V)
- Output Voltage Range
- 0.8 V to 18 V, Adjustable with external resistors
- Feedback Voltage
- 0.5 V with 1.4% accuracy