Fairchild Fan5611 - Fan5614 Low-Dropout LED Drivers for White, Blue, or any Color LED Data Manuals
Summary
Datasheet for the Fairchild FAN5611/FAN5612/FAN5613/FAN5614 low-dropout LED driver family. These devices drive 2-4 parallel LEDs with ultra-low voltage drop under 300mV, supporting direct Li-ion battery applications. Features include matched current sources, analog and PWM brightness control, enable/shutdown functionality with less than 1μA shutdown current, and no EMI or switching noise. Available in SC-70 and MLP packages for mobile phones, PDAs, MP3 players, and LCD backlighting applications.
Page 1 Text Content
Low -D ropout LED rivers for W hite, B lue, or any C olor LED
November 2006
FAN5611/FAN5612/FAN5613/FAN5614 Low-Dropout LED Drivers for White, Blue, or any Color LED
Features Description LED drivers for parallel-connected LEDs (2 to 4) The FAN5611/12/13/14 low-dropout product family is
Ultra-low voltage drop (< 300m V) to support direct designed to drive two to four parallel LEDs, providing Li-ion applications matched current source bias for all color LEDs. The LED current is set by an external resistor, RSET. The
No EMI, no switching noise
FAN5611/13 supports four parallel LEDs with up to
No external components needed for current matching
160m A bias current (up to 40m A per output). The
Both analog and PWM brightness control
FAN5612 supports three LEDs with up to 120m A bias
FAN5611, FAN5613 feature up to 160m A bias current current (40m A per output). The FAN5614 drives two (up to 40m A for each LED) high-current LEDs (80m A per output). Pin I1 should
FAN5612 features up to 120m A bias current always be connected to an LED to provide a matched (up to 40m A for each LED) current for any additional LEDs.
FAN5614 features up to 160m A bias current The FAN5612/13 and 14 are selected using an ENABLE (up to 80m A for each LED) pin. When the chip is not selected (ENABLE pin is Enable/Shutdown control (FAN5612, FAN5613, LOW), the supply current drops to less than 1µA. FAN5614)
The FAN5611, FAN5612, and FAN5614 are available in
Shutdown current < 1μA
an SC-70 package. The FAN5611 and FAN5613 are
Small footprint SC-70 and MLP available in MLP packages.
Applications Cell Phones PDA, DSC, MP3 Players Handheld Computers LCD Display Modules Keyboard Backlight LED Displays
Ordering Information Product Number Package Type Order Code FAN5611 6-Lead SC-70 / 2x2mm 6-Lead MLP FAN5611S7X / FAN5611MPX FAN5612 6-Lead SC-70 FAN5612S7X FAN5613 2x2mm 8-Lead MLP FAN5613MPX FAN5614 6-Lead SC-70 FAN5614S7X Table 1. Ordering Information
© 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN5611/FAN5612/FAN5613/FAN5614 Rev. 1.0.9
Page Summary Contents For Fairchild Fan5611 - Fan5614 Low-Dropout LED Drivers for White, Blue, or any Color LED Data Manuals
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 14 |
| File Size | 698.31 KB |
| Published | June 17, 2026 |
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Frequently Asked Questions
What is the maximum current per LED output?
The FAN5611/13 supports 40mA per output, FAN5612 supports 40mA per output, and the FAN5614 supports 80mA per output.
How do I control brightness?
Both analog and PWM brightness control are supported.
What package types are available?
The FAN5611/12/14 come in SC-70 packages; the FAN5611/13 also come in MLP packages.
How low is the shutdown current?
The supply current drops to less than 1µA when the chip is not selected (ENABLE is LOW).