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ADI LTC3207EUF#TRPBF product image
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ADI LTC3207EUF#TRPBF

Manufacturer
ADI
MPN
LTC3207EUF#TRPBF
LCSC Part #
C684277
Packaging
QFN-24-EP(4x4)
Customer #
Key Attributes
850kHz 13 31mA 2.9V~5.5V QFN-24-EP(4x4) LED Drivers RoHS
DatasheetADI LTC3207EUF#TRPBF
RoHS Compliance1 documents available
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QtyUnit Price(Reference Only)Total Amount
1+$ 3.6287$ 3.63
200+$ 1.4046$ 280.92
500+$ 1.3552$ 677.60
1,000+$ 1.3305$ 1330.50
Standard Packaging2500/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/LED Drivers
ManufacturerADI
PackagingQFN-24-EP(4x4)
Frequency - Switching850kHz
DimmingPWM;Analog
Voltage - Input(AC)-
Number of Channels13
Type-
Switch tube (built-in/external)-
Output Voltage-
Operating Temperature-40℃~+85℃
Output Current31mA
FeaturesBuilt-in soft-start;Short Circuit Protection;Over-Temperature Protection (OTP)
Topology-
Constant Current Accuracy-
Voltage - Input(DC)2.9V~5.5V
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Introduction

AI Translation

The LTC3207/LTC3207-1 are highly integrated multi-display LED drivers. The device contains a high-efficiency, low-noise charge pump to provide power to 12 universal LED current sources and one camera LED current source. The LTC3207/ LTC3207-1 require only five small ceramic capacitors to form a complete LED power supply and current controller. In addition there are two I2C addresses available. The display currents are set by an internal precision current reference. Independent dimming, On/Off, blinking and gradation control for all universal current sources is achieved via the I2C serial interface. 6-bit linear DACs are available for adjusting brightness levels for each universal LED current source. The CAM current source has a 4-bit linear DAC to adjust brightness. The LTC3207/LTC3207-1 charge pumps optimize efficiency based on the voltage across the LED current sources. The device powers-up in 1x mode and will automatically switch to boost mode whenever any enabled LED current source begins to enter dropout. The first dropout switches the IC into 1.5x mode and a subsequent dropout switches the LTC3207/LTC3207-1 into 2x mode. The device resets to 1x mode whenever a data register is updated via the I2C port.

Features

AI Translation
  • Low Noise, Multi-Mode Charge Pump (1x, 1.5x, 2x)
  • Provides Up to 91% Efficiency
  • Slew Limited Switching Reduces Conducted and Radiated Noise (EMI)
  • Up to 600mA Total Output Current
  • Twelve 28mA Universal Current Sources with 64-Step Linear Brightness Control
  • 425mA CAM LED Current Source with 16-Step Linear Brightness Control and 2-Second High Current Safety Timer
  • Independent On/Off, Brightness Level, Blinking and Gradation Control for Each Current Source Using 2-Wire I2C Interface
  • Internal Current Reference
  • Two I2C Addresses are Available (LTC3207 00110110, LTC3207-1 00110100)
  • Configurable ENU Pin for Asynchronous LED On/Off Control
  • Automatic or Forced Mode Switching
  • Internal Soft-Start Limits Inrush Current
  • Short-Circuit/Thermal Protection
  • 4mm × 4mm 24-Pin QFN Plastic Package

Applications

AI Translation
  • Video Phones with QVGA+ Displays