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FAN5611 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. FAN5611
Description  Low-Dropout LED Drivers for White, Blue, or any Color LED
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com

FAN5611 Datasheet(HTML) 1 Page - Fairchild Semiconductor

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November 2006
© 2003 Fairchild Semiconductor Corporation
FAN5611/FAN5612/FAN5613/FAN5614 Rev. 1.0.9
Low-Dropout LED Drivers for White, Blue,
or any Color LED
LED drivers for parallel-connected LEDs (2 to 4)
Ultra-low voltage drop (< 300mV) to support direct
Li-ion applications
No EMI, no switching noise
No external components needed for current matching
Both analog and PWM brightness control
FAN5611, FAN5613 feature up to 160mA bias current
(up to 40mA for each LED)
FAN5612 features up to 120mA bias current
(up to 40mA for each LED)
FAN5614 features up to 160mA bias current
(up to 80mA for each LED)
Enable/Shutdown control (FAN5612, FAN5613,
Shutdown current < 1μA
Small footprint SC-70 and MLP
Cell Phones
PDA, DSC, MP3 Players
Handheld Computers
LCD Display Modules
Keyboard Backlight
LED Displays
The FAN5611/12/13/14 low-dropout product family is
designed to drive two to four parallel LEDs, providing
matched current source bias for all color LEDs. The LED
current is set by an external resistor, RSET. The
FAN5611/13 supports four parallel LEDs with up to
160mA bias current (up to 40mA per output). The
FAN5612 supports three LEDs with up to 120mA bias
current (40mA per output). The FAN5614 drives two
high-current LEDs (80mA per output). Pin I1 should
always be connected to an LED to provide a matched
current for any additional LEDs.
The FAN5612/13 and 14 are selected using an ENABLE
pin. When the chip is not selected (ENABLE
pin is
LOW), the supply current drops to less than 1µA.
The FAN5611, FAN5612, and FAN5614 are available in
an SC-70 package. The
FAN5611 and FAN5613 are
available in MLP packages.
Ordering Information
Table 1. Ordering Information
Product Number
Package Type
Order Code
6-Lead SC-70 / 2x2mm 6-Lead MLP
FAN5611S7X / FAN5611MPX
6-Lead SC-70
2x2mm 8-Lead MLP
6-Lead SC-70

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