R1244N001B Datasheet (Richo) - 30V Step Down DC/DC converter

R1244N001B, 30V Step Down DC/DC converter

z R1244N001B Pin No.

1 2 3 4 5 6 Symbol BST GND VFB CE VIN LX Description Bootstrap Pin Ground Pin Feedback Pin Chip Enable Pin (Active with “H”) Power Supply Pin LX Switching Pin 3 Free Datasheet http://www.Datasheet4U.com R1244N001B ABSOLUTE MAXMUM RATINGS (GND=0V) Symbol VIN VBST VLX ILX VCE

R1244N001B 1.2A, 30V Step Down DC/DC converter NO.EA-293-111123 OUTLINE The R1244N001B is CMOS-based Step-down DC/DC converter with an internal N-channel high side Tr.

(RDSON Typ.

0.35Ω) power switch.

The R1244N001B can provide the maximum 1.2A output current.

The IC consists of an oscillator, a PWM control circuit, a reference voltage unit, an error amplifier, phase compensation circuits, a slope compensation circuit, a soft-start circuit, protection circuits, an internal voltage regulator, an

R1244N001B Features

* Operating Voltage

* 4.5V~30V

* Internal Nch MOSFET