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Endicott Research Group

ERG SFDT LED backlight drivers

SFDT and SFDTD Twelve drivers address LCD backlights that distribute current across multiple LED strings and two light bars. The selected part defines how those strings are connected.

1 Part numbers
12 V DC Input voltage options
10 LED string options
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At a glance

SFDT configuration options

Family
Twelve
Dimming control
External or onboard, by configuration
Input voltage options
12 V DC
LED string options
10
String voltage (typical, varies by part)
22 V
Current per string (typical, varies by part)
55 mA

SFDTDB4222F is a ten-string configuration in the Twelve family. We can help confirm the strings per connector and the current each one requires.

SFDT part numbers.

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Input voltage
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String voltage (typ.)
Current per string (typ.)
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1 product
SFDTDB4222FEndicott Research Group SFDTLED backlight driver, 12 V DC input, 10 LED strings. Typical per-string output: 22 V, 55 mA. 12 V1022 V55 mA

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

Dimming and connections

SFDTDB4222F uses onboard PWM dimming and two twelve-pin output connectors. We’ll request the current drawing from ERG and help confirm the two panel harnesses.

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