HV9120P-G

Switching Controllers HVCMOS 450V 2% Ref
3,314 有效庫存

HV9120P-G

有效庫存3,314

Switching Controllers HVCMOS 450V 2% Ref

  • 製造商零件號 # : HV9120P-G

  • 包裝/封裝: PDIP-16

  • 零件狀態 : ACTIVE

  • 製造商: Microchip Technology

  • 產品分類 : DC DC Switching Controllers

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HV9120P-G 數據表
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詳細說明

The HV9120P-G is an advanced power supply controller that offers exceptional efficiency and performance. Its unique input circuit enables self-starting from high voltage inputs while maintaining galvanic isolation between input and output. With a ±2% internal bandgap reference, internal operational amplifier, high-speed comparator, and output buffer, this controller can produce rugged power supplies of 50W or more, achieving efficiencies exceeding 80% even at low output levels. The wide dynamic range of the controller system simplifies designs with wide line and load variations, resulting in higher efficiency. Additionally, the wide input voltage range allows for efficient utilization of energy stored in input dropout capacitors. The HV9120P-G also features remote on/off controls for convenient shutdown options, consuming minimal power during shutdown. For detailed circuit and application information, refer to application notes AN-H13 and AN-H21 to AN-H24

主要特徵

  • The HV9 series features a direct drive capability.
  • Internal oscillator helps to reduce external components
  • Suitable for various electroluminescent applications

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Product Category ! Switching Controllers RoHS Details
Topology Flyback Number of Outputs 1 Output
Switching Frequency ! 1 MHz Duty Cycle - Max 49.6 %
Input Voltage 10 V to 450 V Output Voltage 4.08 V
Output Current ! 2 mA Minimum Operating Temperature - 40 C
Maximum Operating Temperature ! + 125 C Mounting Style Through Hole
Package / Case PDIP-16 Brand Microchip Technology
Product Voltage Controllers Product Type ! Switching Controllers
Factory Pack Quantity 24 Subcategory PMIC - Power Management ICs
Unit Weight 0.057419 oz

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 HV9120P-G PDF 下載

常見問題解答

What is HV9120P-G?

The HV9120P-G is a high-efficiency, 2.4MHz synchronous buck-boost converter designed by Supertex. It is specifically designed for driving white LEDs in backlighting applications for displays in portable devices, handheld instruments, and automotive infotainment systems.

How Does HV9120P-G Work?

The HV9120P-G operates as a synchronous buck-boost converter, providing a regulated output voltage for driving white LEDs. It can boost or buck the input voltage to maintain a constant LED forward voltage for consistent brightness. The high switching frequency of 2.4MHz enables the use of small external components, making it suitable for space-constrained designs.

How Many Pins does HV9120P-G have and What are the Functions of the Pinout Configuration?

The HV9120P-G is housed in a 10-pin MSOP (Mini Small Outline Package) package. The pinout configuration includes:

  • VIN: Input voltage pin.
  • GND: Ground pin.
  • EN: Enable pin for turning the converter on or off.
  • PWM: Pulse-width modulation input for dimming control.
  • FB: Feedback pin for regulating the output voltage.
  • SW: Switch node for the internal power switch.
  • VOUT: Output voltage pin for driving the LEDs.

What are the Pros and Cons of HV9120P-G?

Pros:

  • High Efficiency: Achieves high efficiency in both buck and boost modes, ensuring minimal power loss.
  • Wide Input Voltage Range: Accommodates a wide range of input voltages, making it suitable for various applications.
  • Small Footprint: The MSOP package and high switching frequency enable a compact layout and minimal board space usage.
  • Pulse-Width Modulation Dimming: Supports dimming control for LED brightness adjustment.
  • Over-Temperature Protection: Includes integrated thermal shutdown protection for reliable operation.

Cons:

  • External Components: Requires careful selection and layout of external components for optimal performance.
  • Complex Control: May require careful consideration of PWM dimming control and feedback loop design for specific applications.

Are There Any Equivalents/Alternatives to HV9120P-G for Recommendation?

  • The MP3301 from Monolithic Power Systems is an alternative synchronous buck-boost converter for LED driving applications.
  • Similar products to the HV9120P-G include the AL8812 from Diodes Incorporated and the LT3474 from Analog Devices.

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