LM3557SD-2
| Parameters | |
|---|---|
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 8-WFDFN Exposed Pad |
| Number of Pins | 8 |
| Operating Temperature | -40°C~85°C TA |
| Packaging | Tape & Reel (TR) |
| JESD-609 Code | e0 |
| Pbfree Code | no |
| Part Status | Obsolete |
| 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 Count | 8 |
| Number of Outputs | 1 |
| Output Voltage | 26V |
| Input Voltage-Nom | 3.6V |
| Max Supply Voltage | 7.5V |
| Min Supply Voltage | 2.7V |
| 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 Frequency | 1.25MHz |
| Voltage - Supply (Min) | 2.7V |
| Width | 3mm |
| Radiation Hardening | No |
| REACH SVHC | No SVHC |
| RoHS Status | Non-RoHS Compliant |
| Lead Free | Contains Lead |
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
