Design Files
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Power Supply with Multiple Linear Regulators
- This page contains information on a product that is not recommended for new designs.
The NXP® MC33730 is a multiple output power supply integrated circuit that incorporates a switching regulator with an adjustable frequency oscillator for automotive applications.
- The integrated circuit incorporates a switching regulator which operates over a wide input voltage range from +4.5 V to +26.5 V
- The step-down switching regulator uses a fixed frequency 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
Freescale MC33730 Product Image
Product Details
Block Diagram
Features
Key Features
- Provides all regulated voltages for Our 32-bit and other microcontroller families and their logic and analog functions
- 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 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
- 5 linear / LDO regulators
- Single buck regulator
- Supply voltage min. 4.5 V, max. 26.5 V
- Output voltage 5 V
- Output current 0.15 A
Product Longevity Program
- This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The MC33730 is included in the 15-year program
Buy/Parametrics
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Documentation
Quick reference to our documentation types.
1-5 of 6 documents
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Errata
MC33730, Mask DA03M89H, Rev. 4.2 - ErrataFeatured
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Application Note
AN3670, Implementing a DSI Network Using the MC33781 and the MC33784
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User Guide
KTSPIGENSIUG, Installation Notes for SPIGen
Design Resources
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Engineering Services
To get further assistance directly from NXP, please see our Engineering Services.
3 engineering services
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Independent Design House (IDH)
Hardware/Software Engineering Services
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Independent Design House (IDH)
Embedded Software Design
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Original Design Manufacturer (ODM)
Hardware and Software Engineering Services
To find additional partner offerings that support this product, visit our Partner Marketplace.