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MC34129D Datasheets | PMIC - Voltage Regulators Switching Controller

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Product Overview

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MC34129D
Manufacturer Part#: MC34129D
Product Category: PMIC - Voltage Regulators
Stock: On Order
Manufacturer: NXP
Description: Switching Controller
Datasheet: N/A
Package: ,
Minimum: 1
Quantity: On Order

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Product Attributes

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  • Features
  • Product Manufacturer

The MC34129/MC33129 are high performance current mode switching regulators specifically designed for use in low power digital telephone applications. These integrated circuits feature a unique internal fault timer that provides automatic restart for overload recovery. For enhanced system efficiency, a start/run comparator is included to implement bootstrapped operation of VCC. Other functions contained are a temperature compensated reference, reference amplifier, fully accessible error amplifier, sawtooth oscillator with sync input, pulse width modulator comparator, and a high current totem pole driver ideally suited for driving a power MOSFET.

Also included are protective features consisting of soft–start, undervoltage lockout, cycle–by–cycle current limiting, adjustable deadtime, and a latch for single pulse metering.
Although these devices are primarily intended for use in digital telephone systems, they can be used cost effectively in many other applications.

• Current Mode Operation to 300 kHz

• Automatic Feed Forward Compensation
• Latching PWM for Cycle–by–Cycle Current Limiting
• Continuous Retry after Fault Timeout
• Soft–Start with Maximum Peak Switch Current Clamp
• Internally Trimmed 2% Bandgap Reference
• High Current Totem Pole Driver
• Input Undervoltage Lockout
• Low Startup and Operating Current
• Direct Interface with Motorola SENSEFET Products

NXP Semiconductors enables secure connections and infrastructure for a smarter world, advancing solutions that make lives easier, better and safer. As the world leader in secure connectivity solutions for embedded applications, NXP is driving innovation in the secure connected vehicle, end-to-end security & privacy and smart connected solutions markets. Built on more than 60 years of combined experience and expertise, the company has 45,000 employees in more than 35 countries. Freescale Semiconductor has been acquired by NXP Semiconductor. Freescale Semiconductor parts are now a part of the NXP family (Dec 2015).

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