MC33730 Datasheet - NXP

MC33730 Switch Mode Power-Supply

Reset detect circuitry Improved VDDL and VDD3 reset detect circuitry 33730 2 Analog Integrated Circuit Device Data Freescale Semiconductor INTERNAL BLOCK DIAGRAM INTERNAL BLOCK DIAGRAM VBAT VBAT KA_VBAT VKAM CP PFD REG ON VIGN IGN_ON VREF1 VREF2 P1 P2 P3 RSTKAM RSTH RST3 RSTL UVLO /OVLO Feed .

Freescale Semiconductor Advance Information Document Number: MC33730 Rev. 9.0, 8/2012 Switch Mode Power Supply with Multiple Linear Regulators 33730 The 33730 is a multiple output power supply integrated circuit for automotive applications. The integrated circuit (IC) incorporates a switching regulator, which operates over a wide input voltage range from 4.5 to 26.5 V. The step-down switching regulator uses a fixed frequency pulsewidth modulation (PWM) voltage mode control. It has a 3.5 A cu.

MC33730 Features

* Provides all regulated voltages for Freescale 32-bit microcontroller family

* Adjustable frequency switching buck regulator with slew-rate control

* Power sequencing provided

* Programmable voltages VDDL, VDD3 - 3% accuracy

* Programmable standby regulator V

MC33730-NXP.pdf