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LM3557SD-2

LM3557SD-2

LM3557SD-2

Texas Instruments

PMIC LM3557 8 Pin 1.2MHz 8-WFDFN Exposed Pad

SOT-23

LM3557SD-2 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 8-WFDFN Exposed Pad
Number of Pins 8
Operating Temperature-40°C~85°C TA
PackagingTape & Reel (TR)
JESD-609 Code e0
Pbfree Code no
Part StatusObsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
Termination SMD/SMT
ECCN Code EAR99
Type DC DC Regulator
Terminal Finish Tin/Lead (Sn/Pb)
Applications Backlight
Terminal Position DUAL
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Frequency 1.2MHz
Base Part Number LM3557
Pin Count8
Number of Outputs 1
Output Voltage 26V
Input Voltage-Nom 3.6V
Max Supply Voltage7.5V
Min Supply Voltage2.7V
Topology Step-Up (Boost)
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Current - Output / Channel 800mA Switch
Internal Switch(s) Yes
Number of Segments 5
Switching Frequency1.25MHz
Voltage - Supply (Min) 2.7V
Width 3mm
Radiation HardeningNo
REACH SVHC No SVHC
RoHS StatusNon-RoHS Compliant
Lead Free Contains Lead
In-Stock:3574 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$0.695126$0.695126
10$0.655780$6.5578
100$0.618660$61.866
500$0.583641$291.8205
1000$0.550605$550.605

LM3557SD-2 Product Details

LM3557SD-2 Overview


8-WFDFN Exposed Pad package saves space on the board. A LED driver using this design has 1 outputs.It adopts the way of Surface Mount for mounting.In this case, the result is a DC DC Regulator with high efficiency.LED drivers capable of operating at -40°C~85°C TA can be used.It provides considerable benefits for Backlight.A frequency of 1.2MHz is used to operate it.It operates using 8 terminations.In this LED driver, the base is configured as 8.Undetermined failures can occur if the voltage supply is below 2.7V.The segment count is 5.It's mounted by Surface Mount.This LED driver has the part number LM3557.An acceptable maximum value for the supply voltage is 7.5V.The device has 8 pins.To meet highest efficiency standards, it works on a supply voltage of 2.7V.Electronic components can function properly when their switching frequency is set to 1.25MHz.It has a voltage of 26V.There are 3.6V volts assigned to the circuit when operating the device.

LM3557SD-2 Features


Available in the 8-WFDFN Exposed Pad package
Operating temperature of -40°C~85°C TA
Frequency of 1.2MHz
Switching frequency of 1.25MHz
Output voltage of 26V

LM3557SD-2 Applications


There are a lot of Texas Instruments LM3557SD-2 LED Driver ICs applications.

  • Dimmable LED for vehicle interiors
  • Other Electronic Devices
  • White LED Backlight for portable equipment
  • Architectural lighting
  • Panel lighting
  • Flicker-free LED Lighting using R1580N
  • General lighting
  • LED Lightings for Industrial Equipment
  • LED Lighting PFCs, Linear Dimmable
  • LED Lightings for Inspection Devices

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