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Endicott Research Group

ERG SFDC LED backlight drivers

SFDC Chopper drivers are intended for high-brightness LED-rail applications. Constant-current control and separate brightness and enable functions support panel-specific backlight designs.

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

SFDC configuration options

Family
Chopper
Dimming control
External or onboard PWM
Input voltage options
12 V DC
LED string options
1
String voltage (typical, varies by part)
37 V
Current per string (typical, varies by part)
240 mA

For a single LED rail, we’ll help compare the string voltage and current with the SFDC configuration and confirm its operating limits.

SFDC part numbers.

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Input voltage
LED strings
String voltage (typ.)
Current per string (typ.)
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1 product
SFDCB3643FEndicott Research Group SFDCLED backlight driver, 12 V DC input, 1 LED string. Typical per-string output: 37 V, 240 mA. 12 V137 V240 mA142.5 × 27.9 mm (L × W)< 12 mmOnboard PWM with analog control; external PWMMolex 53261-0871Molex 53261-0471

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

Dimming and connections

SFDCB3643F accepts an analog input for onboard PWM or an external PWM signal. The dimming method changes which pins carry brightness and enable control; we can help confirm the wiring with ERG.

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