Diodes Incorporated

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The ZXLD1362 is a continuous mode inductive step-down converter with integrated switch and high side current sense. It operates from an input supply from 6V to 60V driving single or multiple series connected LEDs efficiently externally adjustable output current up to 1A.

The ZXLD1362 has been qualified to AEC-Q100 Grade 1 enabling operation in ambient temperatures from -40°C to +125°C. The output current can be adjusted by applying a DC voltage or a PWM waveform. 100.1 adjustment of output current is possible using PWM control.

Applying 0.2V or lower to the ADJ pin turns the output off and switches the device into a low current standby state.


  • Simple low parts count 
  • Single pin on/off and brightness control using DC voltage or PWM 
  • High efficiency (up to 95%) 
  • Wide input voltage range: 6V to 60V 
  • Up to 1MHz switching frequency 
  • Qualified to AEC-Q100 Grade 1 
  • Automotive Grade version available (ZXLD1362Q) 
  • Typical 2% output current accuracy 
  • Thermally enhanced TSOT25: θJA 82°C/W 
  • Available in Green Molding 
  • Totally Lead-Free & Fully RoHS Compliant 
  • Halogen and Antimony Free. “Green” Device 

Product Specifications

Product Parameters

AEC Qualified Yes
Compliance (Only Automotive supports PPAP) Automotive
Topologies (Buck) Yes
Topologies (Buck-Boost) No
Topologies (Boost) No
Topologies (Charge Pump) No
Minimum Input Voltage (V) 6
Maximum Input Voltage (V) 60
Maximum Output Voltage (V) 60
Maximum LED Current (A) 1
LED Current Accuracy (%) 5
Switching Frequency Maximum (kHz) 1000
Dimming (PWM) Yes
Dimming (Analog) Yes
Efficiency (%) 95
Operating Temperature Range (°C) -40 to 125
Sense Voltage (mV) 100
AEC-Q100 Grade 1

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