LM3699YFQR The Texas Instruments LM3699YFQR is a high-efficiency white LED driver. It features 3 channels, operates from a 2.7V to 5.5V input, and can provide up to 24V output.
Mfr Part #:

LM3699YFQR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM3699YFQR is a high-efficiency white LED driver. It features 3 channels, operates from a 2.7V to 5.5V input, and can provide up to 24V output.
Total Stock: 101 pcs
$ Price Range: $0.40

LM3699YFQR Available from 1 distributor

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101 pcs
101 pcs On Request 1 On Request On Request 21+ On Request On Request

LM3699YFQR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Dimming
Duty Cycle
Features
Frequency
Internal Switch(s)
Mounting Type
Number of Channels
Number of Outputs
Operating Temperature
Supplier Device Package
Topology
Type
Voltage

LM3699YFQR Description

Short technical summary and product information.

The Texas Instruments LM3699YFQR is a high-efficiency, three-string white LED driver designed for display and keypad lighting applications. It operates with an input voltage range of 2.7V to 5.5V and can deliver an output voltage up to 24V.

 

This LED driver boasts a maximum switching frequency of 1120 kHz and a peak efficiency of 90%. It supports direct PWM dimming and features an integrated switch with a 1-A/40-V rating. The device includes several protection features such as overvoltage protection (OVP) and thermal shutdown.

 

The LM3699YFQR is available in a 12-DSBGA package, suitable for surface mount applications. It offers multiple user-selectable full-scale current settings, ranging from 15.4 mA to 20.2 mA per channel, and includes a quick-dimming enable terminal.

 

Key features include CABC, Enable/Shutdown, PWM control, and synchronous rectification. The device is designed for applications requiring efficient LED driving, such as backlighting and camera flash.

LM3699YFQR Quick Information

Product Type: LED Driver
Canonical Name: LM3699 High-Efficiency White LED Driver
Subcategory: LED Drivers

LM3699YFQR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM3699YFQR Estimated Pricing

Qty Low High
1+ $0.40 $0.40

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM3699YFQR Features

  • High-efficiency white LED driver.
  • Three parallel high-voltage LED strings.
  • Boost converter with up to 90% efficiency.
  • Direct PWM dimming control.
  • Integrated 1-A/40-V MOSFET.

LM3699YFQR Applications

  • Drives parallel high-voltage LED strings.
  • Ideal for display backlighting.
  • Suitable for keypad lighting.
  • Used in camera flash applications.

LM3699YFQR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the LM3699YFQR?

The input voltage range is 2.7 V to 5.5 V.

What is the maximum output voltage of the LM3699YFQR?

The maximum output voltage is 24 V.

What is the switching frequency of the LM3699YFQR?

The switching frequency is fixed at 1 MHz.

What type of dimming does the LM3699YFQR support?

It supports Direct PWM Dimming and Quick-Dimming Enable Terminal (ILOW).

What is the operating temperature range for this LED driver?

The operating temperature range is -40°C to 125°C (TJ).

What package is the LM3699YFQR supplied in?

It is supplied in a 12-DSBGA package.

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