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NEW Hypex Direct HNR12 12V Regulator, -12V Output

Hypex DirectPart # 221-033
Model: H08U007551

The HNR12 is a 12V regulator in the HxR series, built as a high-performance voltage regulating component for performance-critical audio applications. It is intended for designs such as preamplifiers, buffers, RIAA input stages, playback head amplifiers, and performance upgrades for existing products.

Key Features

  • High-performance voltage regulation for performance-critical audio applications
  • Kelvin sense connections for point-of-load local regulation without requiring physical proximity
  • Ultra-low noise for lower added noise in sensitive audio circuits
  • Excellent ripple rejection for cleaner regulated power delivery
  • TO-220 size and pin compatibility for easier integration into compatible designs
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Overview

Hypex Direct HNR12 12V Regulator, -12V Output

HNR12 Regulator

The HPR12/HNR12 are high-performance voltage regulators developed for audio applications where performance is especially critical. Their key performance characteristics surpass those of standard integrated circuits by several orders of magnitude. Kelvin sense connections allow point-of-load local regulation without the need for close physical placement.

The HxR12 series pass regulators are externally compensated transconductance amplifiers, with the load decoupling capacitor also serving as the compensation capacitor. 

In a conventional emitter-output regulator, a constant-gain amplifier is placed around an emitter follower whose output impedance is low and changes inversely with load current. The dominant pole is established inside the voltage amplifier, while any load capacitance introduces an additional unwanted pole that reduces phase margin. As the output impedance becomes strongly dependent on current, the phase margin does as well.

This differs from a transconductance regulator, where the error voltage controls the output current. Dominant-pole compensation is achieved by the decoupling capacitor across the load. Stability requires a minimum load capacitance, and increasing that capacitance improves phase margin even further. Output impedance is determined as the inverse of transconductance, which is set by the transconductance of the difference amplifier and the Hfe of the pass device, both of which remain nearly constant with load. The benefit of this linear output impedance is especially important in power supply sensitive audio applications, where a non-linear supply response can introduce distortion. 

Because the HxR12 regulators offer extremely wide bandwidth, care should be taken to connect the sense lines directly at the decoupling capacitor.

Applications

  • Preamplifiers and buffers
  • RIAA input stages
  • Playback head amplifiers
  • Performance upgrade for existing products

Features

  • Ultra-low noise
  • Wide bandwidth
  • Excellent ripple rejection
  • Low, load-independent output impedance
  • Kelvin sense connections
  • Size and pin compatible with TO-220 style regulators

    Specifications

  • Output impedance: 50mΩ 
  • Max. input voltage: 60V 
  • Max. output current: 100mA 
  • Output Noise Voltage: 290nV 
  • Output voltage: -12V (negative)
  • Power dissipation: 1W 
  • Ripple rejection: 110dB

Product Details

BrandHypex Direct
ModelH08U007551
Part Number221-033
UPC848864082813
Unit of MeasureEach
Weight0.05

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