ZD832

Features: • AC to DC Constant Current Driver• No Transformer, No External Bridge Rectifi er• 85VAC to 240VAC Input Voltage Range• Programmable up to 30mA Constant Output Current• PWM or Analog Dimming Control• Over-Temperature Protection• Over-Voltage Limi...

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ZD832 Picture
SeekIC No. : 004550579 Detail

ZD832: Features: • AC to DC Constant Current Driver• No Transformer, No External Bridge Rectifi er• 85VAC to 240VAC Input Voltage Range• Programmable up to 30mA Constant Output Curr...

floor Price/Ceiling Price

Part Number:
ZD832
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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268 Transactions

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Upload time: 2024/3/28

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Product Details

Description



Features:

• AC to DC Constant Current Driver
• No Transformer, No External Bridge Rectifi er
• 85VAC to 240VAC Input Voltage Range
• Programmable up to 30mA Constant Output Current
• PWM or Analog Dimming Control
• Over-Temperature Protection
• Over-Voltage Limiting on Internal Power Transistor
• High Voltage Static Circuit Design With No EMI
• Thermally Enhanced 20-Lead Exposed TSSOP Green Package



Application

• Offl ine LED Lamps and Fixtures
• LCD Panel Display Backlighting
• Avionics Displays
• Decorative Lighting
• Industrial Lighting



Pinout

  Connection Diagram


Specifications

These are stress ratings only and functional operation of the
device at these ratings or any other above those indicated
in the operation sections of the specifi cations is not implied.
Exposure to absolute maximum rating conditions for extended
periods of time may affect reliability.
VAC Input Voltage ................................................ 280VAC
PWM Voltage ...............................................................+6V
VOUT Voltage .......................................................... +100V
Extended Commercial
Operating Temperature ....................... 40°C to +85°C
Maximum Junction Temperature .......................... +125°C
Storage Temperature ........................ 65°C to +150°C
Lead Temperature (Soldering, 10sec.) .................. 300°C



Description

The ZD832 is a high voltage, transformerless AC-DC constant current driver for driving a string of white or RGB LEDs in
series. It operates from an universal input voltage of 85VAC to 240VAC and generates a programmable constant output current. The high operating voltage of ZD832, along with its linear control architecture eliminates the need for an external inductor, transformer and rectifying diode bridge. The output current level is set by a single resistor and can be set as high as 30mA. Dimming control can be accomplished by using pulse-width modulation signal with varying duty cycle on the PWM pin or by applying an analog DC voltage on the ISET pin. Thermal and over-voltage circuitry protects the internal power transistors from excessive power dissipation.

The ZD832 is available in a thermally enhanced 20-pin exposed TSSOP green package.




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