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  • LT3477EFE#TRPBF

LT3477EFE#TRPBF

0.65mm PMIC LT3477 20 Pin 200kHz~3.5MHz 20-TSSOP (0.173, 4.40mm Width) Exposed Pad


  • Manufacturer: Linear Technology/Analog Devices
  • Origchip NO: 471-LT3477EFE#TRPBF
  • Package: 20-TSSOP (0.173, 4.40mm Width) Exposed Pad
  • Datasheet: PDF
  • Stock: 880
  • Description: 0.65mm PMIC LT3477 20 Pin 200kHz~3.5MHz 20-TSSOP (0.173, 4.40mm Width) Exposed Pad (Kg)

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Details

Tags

Parameters
Factory Lead Time 8 Weeks
Lifecycle Status PRODUCTION (Last Updated: 1 week ago)
Mounting Type Surface Mount
Package / Case 20-TSSOP (0.173, 4.40mm Width) Exposed Pad
Surface Mount YES
Number of Pins 20
Operating Temperature -40°C~85°C TA
Packaging Tape & Reel (TR)
Published 2009
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 20
ECCN Code EAR99
Type DC DC Regulator
Terminal Finish Matte Tin (Sn)
Subcategory Switching Regulator or Controllers
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Terminal Pitch 0.65mm
Frequency 200kHz~3.5MHz
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number LT3477
Pin Count 20
Number of Outputs 1
Input Voltage-Nom 2.5V
Max Supply Voltage 25V
Min Supply Voltage 2.5V
Topology Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
Min Input Voltage 2.3V
Control Mode CURRENT-MODE
Output Current-Max 5A
Control Technique PULSE WIDTH MODULATION
Switcher Configuration BUCK-BOOST
Current - Output / Channel 3A Switch
Internal Switch(s) Yes
High Level Output Current 10μA
Low Level Output Current 10μA
Dimming PWM
Number of Segments 4
Length 6.5mm
Radiation Hardening No
RoHS Status ROHS3 Compliant

LT3477EFE#TRPBF Overview


The 20-TSSOP (0.173, 4.40mm Width) Exposed Pad package conserves board space. It has 1 outputs for LED drivers.The mounting method is Surface Mount.It emerges as a DC DC Regulator, which is efficient and reliable.It is able to work normally at the operating temperature of -40°C~85°C TA.The frequency of 200kHz~3.5MHz is used as the basis for its operation.The operation of this system is supported by 20 terminations.There are 20 pins used to form the base of its configuration.Based on our estimates, there are 4 segments.LT3477 is the base part number for the LED driver.25V is a maximum acceptable voltage for the supply.A total of 20 pins are present on this device.Further, it can be classified as Switching Regulator or Controllers based on its characteristics.As its minimal input voltage, it operates at 2.3V.It is designed to operate at a minimal voltage of 2.5V to achieve the highest efficiency.Operation of the device requires 2.5V volts to be applied to the circuit.The input voltage should be kept below 5A to ensure high stability.

LT3477EFE#TRPBF Features


Available in the 20-TSSOP (0.173, 4.40mm Width) Exposed Pad package
Operating temperature of -40°C~85°C TA
Frequency of 200kHz~3.5MHz

LT3477EFE#TRPBF Applications


There are a lot of Linear Technology/Analog Devices LT3477EFE#TRPBF LED Driver ICs applications.

  • Museum lighting
  • Power source for accessories such as car audios, car navigation systems, and ETC systems
  • Ultraviolet (UV) and Infrared (IR) Irradiation Devices
  • Scanners and Handy Terminals
  • Portable lighting
  • Stage and Studio lighting
  • OLED power supply for portable equipment
  • Street lighting
  • LED Lighting PFCs, Linear Dimmable
  • Down lighting