Diodes Incorporated
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AP3616 (Obsolete)

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The AP3616 is an sixteen-channel constant current sink with current match used for °C driver. It uses an external resistor to set the current for sixteen °C strings with an accuracy of ±1.5%. The full scale °C current can be adjusted from 20mA to 75mA for each channel. The °C lightness can be adjusted by PWM dimming function. The device can keep working normally without any damage when °Cs are short or open. It features under voltage lockout protection and over temperature protection. The AP3616 has three interface terminals (FB, SYN and FBX pins). The FB and SYN pins allow the device to work with a DC/DC converter to drive °C arrays for good performance. And the FBX pin enables the device to be connected in parallel.


  • LCD Display Modules
  • LCD Monitor
  • LCD TV

Product Specifications

Product Parameters

Dimming PWM and Linear Dimming
Efficiency (%) N/A
Function Current Sink
MaximumInput Voltage (V) 27
Maximum Output Current per Channel 75
Maximum Output Voltage (V) 60
MinimumInput Voltage (V) 4.2
Number of Regulated Output Channels 16
OperatingTemperatureRange  (°C) -40 to 85
Quiescent Current (µA) 2
Soft Start No
Standby Quiescent Current (µA) 0.1
Switching Frequency (MHz) No
Typical Overcurrent Protection Current N/A

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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2380 2018-11-07 2019-05-07 Device End of Life (EOL)