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PowTech(CR-PowTech(Shanghai)) PT4115BE89E product image
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PowTech(CR-PowTech(Shanghai)) PT4115BE89ERoHS

Manufacturer
PowTech(CR-PowTech(Shanghai))Asian Brands
MPN
PT4115BE89E
LCSC Part #
C3039502
Packaging
SOT-89-5
Customer #
Key Attributes
Step-down LED constant current driver with high dimming ratio
Datasheetpdf iconPowTech(CR-PowTech(Shanghai)) PT4115BE89E
In-Stock: 430
430 In stock, ships now
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QtyUnit PriceTotal Amount
5+$ 0.1601$ 0.1473$ 0.74
50+$ 0.1276$ 0.1174$ 5.87
150+$ 0.1136$ 0.1046$ 15.69
500+$ 0.0963$ 0.0886$ 44.30
2,500+$ 0.0885$ 0.0815$ 203.75
4,000+$ 0.0839$ 0.0772$ 308.80
Standard Packaging4000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/LED Drivers ICs
ManufacturerPowTech(CR-PowTech(Shanghai))
PackagingSOT-89-5
Output Voltage-
FeaturesLED open-circuit protection;Over-Temperature Protection (OTP)
Frequency - Switching1MHz
Switch Tube (Built-In/External)Built-in
Voltage - Input(AC)-
Operating temperature-40℃~+85℃
TopologyBuck
Number of Channels1
TypeDC-DC
Output Current1.2A
Voltage - Input(DC)6V~40V
Constant Current Accuracy3%
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Additional Information

TypeDetails
Minimum5
Multiple5
Standard Packaging4000
Sales UnitPiece

Introduction

AI Translation

PT4115B is a continuous inductor current conduction mode buck constant-current source for driving one or more series-connected LEDs. The input voltage ranges from 6V to 40V, with adjustable output current up to 1.2A. Depending on the input voltage and external components, it can drive LEDs with power up to tens of watts. The integrated power switch uses high-side current sensing to set the average LED current. The DIM pin accepts both analog dimming and PWM dimming over a wide range. When the DIM voltage falls below 0.3V, the power switch turns off and the device enters a standby state with ultralow quiescent current. Available in SOT89-5 package.

Features

AI Translation
  • Minimal external components
  • Wide input voltage range: 6V to 40V
  • Up to 97% efficiency
  • Maximum output current of 1.2A
  • Multiplexed DIM pin for LED on/off switching, analog dimming, and PWM dimming, up to 1MHz switching frequency
  • 3% output current accuracy
  • Built-in LED open-circuit protection
  • Built-in RCS open-circuit protection
  • High-side current sensing
  • Hysteretic control, no compensation required
  • Adjustable output constant current control
  • Thermal protection

Applications

AI Translation
  • Low-voltage LED spotlights replacing halogen lamps
  • Automotive LED lighting
  • LED backup lights
  • LED signal lights