LTC3212

PRODUCTION

RGB LED Driver and Charge Pump

Data Sheet Product Selection Table
Part Models
2
1ku List Price
Starting From $1.75
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Part Details

  • Power and Current Control for Driving RGB LEDs
  • Individually Programmable Current Sources
  • 1x or 2x Mode, Low Noise, Constant Frequency Charge Pump
  • Single Wire Enable Control for All LEDs
  • White Mode Adjusts R, G, B Currents for White Light
  • 25mA Maximum LED Current
  • VIN Range: 2.7V to 5.5V
  • Automatic Soft-Start, Mode Switching and Output Disconnect in Shutdown Mode
  • Available in 12-Lead (3mm × 2mm) DFN Package
LTC3212
RGB LED Driver and Charge Pump
RGB Power Supply and Current Control Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Technical Articles 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital Temperature Sensors 1
LTC2991
RECOMMENDED FOR NEW DESIGNS Octal I2C Voltage, Current, and Temperature Monitor
Serial Bus Buffers, Extenders, and Accelerators 1
LTC4311
PRODUCTION Low Voltage I2C/SMBus Accelerator
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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LTC3212
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
DC1187A

LTC3212EDDB | RGB LED Driver and Charge Pump, 2.7V ≤ VIN ≤ 5.5V, VLED up to 5V @ 25mA (×3) (DC590 Requires)

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Product Details

Demonstration circuit 1187 is an RGB LED Driver and Charge Pump featuring the LTC3212. The LTC3212 is a low noise boost charge pump capable of driving three LEDs at up to 25mA each. The charge pump operates in either 1x or 2x mode, with automatic mode switching. Individual current sources allow each LED to be turned on individually, in combination with the other LEDs, or in white mode using a single wire interface. The demo board input voltage range is 2.7V to 5.5V. White mode optimizes the red, green, and blue current settings to provide the best white color. LED currents are regulated using internal low dropout current sources. Automatic mode switching optimizes efficiency by switching modes only when a dropout is detected.
DC1187A
LTC3212EDDB | RGB LED Driver and Charge Pump, 2.7V ≤ VIN ≤ 5.5V, VLED up to 5V @ 25mA (×3) (DC590 Requires)
DC1187A - Schematic

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