Authorized distribution · Established 1990 · ISO 9001:2015 Bohemia, New York · 800.647.3343

Endicott Research Group

ERG SFDM LED backlight drivers

SFDM Mini drivers bring constant-current backlight power to compact LCD assemblies. An external PWM signal controls brightness, with a separate enable function.

33 Part numbers
12 V DC Input voltage options
1, 2, 3, 4, 5, 6 LED string options
Contact us View part numbers

Have a panel number? Find its driver in ERG’s cross-reference →

At a glance

SFDM configuration options

Family
Mini
Dimming control
External PWM
Input voltage options
12 V DC
LED string options
1, 2, 3, 4, 5, 6
String voltage (typical, varies by part)
19–32 V
Current per string (typical, varies by part)
10–120 mA

Start here when your controller provides a PWM dimming signal and board space is limited. Compare SFDMD when you need the PWM generator on the driver.

SFDM part numbers.

Input voltage
LED strings
String voltage (typ.)
Current per string (typ.)
Add / remove columnsChoose details
33 products
SFDMB3638FEndicott Research Group SFDM · In stockLED backlight driver, 12 V DC input, 6 LED strings. Typical per-string output: 19 V, 16 mA. 12 V619 V16 mA
SFDMB3713FEndicott Research Group SFDM · In stockLED backlight driver, 12 V DC input, 6 LED strings. Typical per-string output: 30 V, 10 mA. 12 V630 V10 mA
SFDMB3792FEndicott Research Group SFDM · In stockLED backlight driver, 12 V DC input, 3 LED strings. Typical per-string output: 32 V, 25 mA. 12 V332 V25 mA
SFDMB3885FEndicott Research Group SFDM · In stockLED backlight driver, 12 V DC input, 4 LED strings. Typical per-string output: 32 V, 25 mA. 12 V432 V25 mA
SFDMB3646FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 5 LED strings. Typical per-string output: 32 V, 20 mA. 12 V532 V20 mA
SFDMB3785FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 4 LED strings. Typical per-string output: 32 V, 25 mA. 12 V432 V25 mA
SFDMB3786FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 1 LED string. Typical per-string output: 28 V, 100 mA. 12 V128 V100 mA
SFDMB3787FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 1 LED string. Typical per-string output: 32 V, 20 mA. 12 V132 V20 mA
SFDMB3857FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 2 LED strings. Typical per-string output: 29 V, 15.1 mA. 12 V229 V15.1 mA
SFDMB3866FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 3 LED strings. Typical per-string output: 32 V, 19.9 mA. 12 V332 V19.9 mA
SFDMB3875FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 4 LED strings. Typical per-string output: 32 V, 25 mA. 12 V432 V25 mA
SFDMB3878FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 4 LED strings. Typical per-string output: 30 V, 15 mA. 12 V430 V15 mA
SFDMB3882FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 5 LED strings. Typical per-string output: 32 V, 25 mA. 12 V532 V25 mA
SFDMB3884FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 2 LED strings. Typical per-string output: 32 V, 25 mA. 12 V232 V25 mA
SFDMB3886FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 1 LED string. Typical per-string output: 32 V, 60 mA. 12 V132 V60 mA
SFDMB3902FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 3 LED strings. Typical per-string output: 32 V, 20 mA. 12 V332 V20 mA
SFDMB3906FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 2 LED strings. Typical per-string output: 28 V, 90 mA. 12 V228 V90 mA
SFDMB3907FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 2 LED strings. Typical per-string output: 32 V, 80 mA. 12 V232 V80 mA
SFDMB3927FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 1 LED string. Typical per-string output: 30 V, 16 mA. 12 V130 V16 mA
SFDMB3928FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 4 LED strings. Typical per-string output: 30 V, 15 mA. 12 V430 V15 mA
SFDMB3940FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 2 LED strings. Typical per-string output: 32 V, 70 mA. 12 V232 V70 mA
SFDMB3942FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 2 LED strings. Typical per-string output: 30 V, 15 mA. 12 V230 V15 mA
SFDMB3945FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 2 LED strings. Typical per-string output: 32 V, 60 mA. 12 V232 V60 mA
SFDMB3947FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 3 LED strings. Typical per-string output: 32 V, 40 mA. 12 V332 V40 mA
SFDMB3966FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 3 LED strings. Typical per-string output: 30 V, 20 mA. 12 V330 V20 mA
SFDMB3969FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 6 LED strings. Typical per-string output: 32 V, 18 mA. 12 V632 V18 mA
SFDMB3978FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 5 LED strings. Typical per-string output: 31 V, 15 mA. 12 V531 V15 mA
SFDMB3985FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 4 LED strings. Typical per-string output: 28 V, 15 mA. 12 V428 V15 mA
SFDMB3986FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 2 LED strings. Typical per-string output: 28 V, 15 mA. 12 V228 V15 mA
SFDMB4013FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 1 LED string. Typical per-string output: 29 V, 120 mA. 12 V129 V120 mA
SFDMB4139FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 1 LED string. Typical per-string output: 29 V, 120 mA. 12 V129 V120 mA
SFDMB4170FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 2 LED strings. Typical per-string output: 29 V, 50 mA. 12 V229 V50 mA
SFDMB4191FEndicott Research Group SFDMLED backlight driver, 12 V DC input, 2 LED strings. Typical per-string output: 32 V, 60 mA. 12 V232 V60 mA

Filter products

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

Dimming and connections

SFDMB3638F has a 55.6 × 24.4 mm board and is less than 5 mm high. Its input connector carries separate PWM, enable, and fault signals. We can help match those connections to your controller.

Request a quote

Request pricing and availabilityEndicott Research Group SFDM

Please don’t include sensitive or confidential information in this form. Privacy notice

Loading form…

What information should I leave out?

Do not submit classified information, Controlled Unclassified Information (CUI), export-controlled technical data, payment-card information, Social Security numbers, health information, passwords, or other sensitive data through this form. Contact Edge to discuss an appropriate transfer method.