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33730

NXP
Part Number 33730
Manufacturer NXP
Description Switch Mode Power-Supply
Published Sep 9, 2020
Detailed Description Freescale Semiconductor Advance Information Document Number: MC33730 Rev. 9.0, 8/2012 Switch Mode Power Supply with Mu...
Datasheet PDF File 33730 PDF File

33730
33730


Overview
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 current limit (typical) and the slew-rate is adjustable via a control pin to reduce switching noise.
The switching regulator has an adjustable frequency oscillator, which allows the user to optimize its operation over a wide range of input voltages and component values.
The linear regulators can be configured either as two Normal mode regulators (VDD3, VDDL) and one standby regulator (VKAM), or as one Normal mode linear regulator (VDDL) and two standby regulators (VKAM and VDD3 Standby).
Two protected outputs [VREF (1, 2)] are used to provide power to external sensors.
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 VKAM - 15% accuracy, operating down to 4.
5 V at the KA_VBAT pin • VDD3 can be programmed as an optional second standby regulator with 15% accuracy • Provides two 5.
0 V protected supplies for sensors • Provides reverse battery protection FET gate drive • Provides necessary MCU monitoring and fail-safe support SWITCHING POWER SUPPLY EK SUFFIX (PB-FREE) 98ARL10543D 32-LEAD SOICW-EP ORDERING INFORMATION Device (Add R2 Suffix for Tape and Reel) Temperature Range (TA) Package MCZ33730EK MC33730EK * - 40 °C to 125 °C 32-SOICW-EP * Recommended device for all new designs + 5.
0 V 33730 VBAT + BOOT SW PFD KA_VBAT VIGN IGN_ON VREF1,2 + VDDH INV V...


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