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Endicott Research Group

ERG SFDK LED backlight drivers

SFDK applies ERG’s Economic driver approach to panels with two LED light bars. It provides separate panel-side connections and external brightness control.

2 Part numbers
12 V DC Input voltage options
4, 6 LED string options
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At a glance

SFDK configuration options

Family
K Style Economic
Dimming control
External PWM
Input voltage options
12 V DC
LED string options
4, 6
String voltage (typical, varies by part)
28.8–42.9 V
Current per string (typical, varies by part)
36–39 mA

Match both light bars’ string arrangement and current requirements. Compare SFD2K when you need a different output configuration or onboard dimming.

SFDK part numbers.

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Input voltage
LED strings
String voltage (typ.)
Current per string (typ.)
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2 products
SFDKB3908FEndicott Research Group SFDKLED backlight driver, 12 V DC input, 4 LED strings. Typical per-string output: 28.8 V, 36 mA. 12 V428.8 V36 mA
SFDKB4031FEndicott Research Group SFDKLED backlight driver, 12 V DC input, 6 LED strings. Typical per-string output: 42.9 V, 39 mA. 12 V642.9 V39 mA

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Input voltage
LED strings
String voltage (typ.)
Current per string (typ.)

Dimming and connections

SFDKB3908F uses separate JST outputs for the two light bars and takes an external PWM signal. We can help confirm the string allocation and harness on each side of your panel.

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