A6211GLJTR-T by Allegro MicroSystems | APACLED Driver ICs | Avnet ASIA
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A6211GLJTR-T

Allegro MicroSystems

LED DRVR Buck 1-CH PWM 3A 8-Pin SOIC N T/R

製造商產品編號: A6211GLJTR-T

替代料號: A6211GLJTR-T


legend 通過RoHS認證

描述

文檔

替代/替換

資料

The A6211 is a single IC switching regulator that provides constant-current output to drive high-power LEDs. It integrates a high-side N-channel DMOS switch for DC-to-DC step- down (buck) conversion. A true average current is output using a cycle-by-cycle, controlled on-time method. Output current is user-selectable by an external current sense resistor. Output voltage is automatically adjusted to drive various numbers of LEDs in a single string. This ensures the optimal system efficiency. LED dimming is accomplished by a direct logic input pulse width modulation (PWM) signal at the enable pin. The device is provided in a compact 8-pin narrow SOIC package (suffix LJ) with exposed pad for enhanced thermal dissipation. It is lead (Pb) free, with 100% matte tin leadframe plating.

技術參數

  • Supply voltage 6 to 48 V
  • True average output current control
  • 3.0 A maximum output over operating temperature range
  • Cycle-by-cycle current limit
  • Integrated MOSFET switch
  • Dimming via direct logic input or power supply voltage
  • Internal control loop compensation
  • Undervo ltage lockout (UVLO) and thermal shutdownprotection
  • Low power shutdown (1 µA typical)
  • Robust protection against:
    • Adjacent pin-to-pin short
    • Pin-to-GND short
    • Component open/short faults

技術屬性

描述
尋找類似物料
Pin Count
8
Mounting
Surface Mount
DC Input Voltage (Min)
6 V
Dimming Method
PWM
Type
Switching
Input Voltage Type
DC/DC
DC Input Voltage (Typ)
24 V
Product Dimensions
4.9 x 3.9 x 1.55(Max)
Operating Temperature
-40 to 105 °C
MSL Level
3
Maximum Output Current
3 A
Topology
Buck
Output Type
Constant Current
Number of Channels
1
Lead Finish
Matte Tin
DC Input Voltage (Max)
48 V
Supplier Package
SOIC N
Screening Level
Extended Industrial

ECCN/UNSPSC

描述
ECCN:
EAR99
UNSPSC:
32101600
UNSPSC VERSION:
V15.1101
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