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Description

The ZXLD1362 is a continuous mode inductive step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage. The device operates from an input supply between 6V and 60V and provides an externally adjustable output current of up to 1A. Depending upon supply voltage and external components, this can provide up to 48 watts of output power. The ZXLD1362 includes the output switch and a high-side output current sensing circuit, which uses an external resistor to set the nominal average output current. Output current can be adjusted above, or below the set value, by applying an external control signal to the 'ADJ' pin. The ADJ pin will accept either a DC voltage or a PWM waveform. Depending upon the control frequency, this will provide either a continuous (dimmed) or a gated output current. Soft-start can be forced using an external capacitor from the ADJ pin to ground. Applying a voltage of 0.2V or lower to the ADJ pin turns the output off and switches the device into a low current standby state.

Application

  • Low voltage halogen replacement LEDs
  • Automotive lighting
  • Low voltage industrial lighting
  • LED back-up lighting
  • Illuminated signs
  • Emergency lighting
  • SELV lighting
  • LCD TV backlighting
  • Refrigeration lights

Features

  • Simple low parts count
  • Internal 60V NDMOS switch
  • Up to 1A output current
  • Single pin on/off and brightness control using DC voltage or PWM
  • PWM resolution up to 1000:1
  • Soft start capability
  • High efficiency (up to 95%)
  • Wide input voltage range: 6V to 60V
  • 65V transient capability
  • Low power shutdown
  • Up to 500kHz switching frequency
  • Inherent open-circuit LED protection
  • Typical 2% output current accuracy

Product Specifications

Product Parameters

Qualified to AECQ10x Yes
Automotive Compliant PPAP ZXLD1362Q
Topologies (Buck) Yes
Topologies (Buck-Boost) No
Topologies (Boost) No
Minimum Input Voltage 6 V
Maximum Input Voltage 60 V
Maximum Output Voltage 60 V
Maximum LED Current 1 A
LED Current Accuracy 5 %
Switching Frequency Maximum 1000 kHz
Dimming (PWM) Yes
Dimming (Analog) Yes
Efficiency 95 %
Operating Temperature Range -40 to 125 °C
Sense Voltage 100 mV
AEC-Q100 Grade 1

Related Content

Packages
TSOT25

Technical Documents

Application Notes

ICP Reports

Evaluation Boards and User Guides

Recommended Soldering Techniques

RoHS CofC

Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
ZXLD1362ET5TA Avnet EU 946 10/19/2019 Buy Now Germany
ZXLD1362ET5TA Arrow Electronics Central EU 640 10/19/2019 Buy Now Germany
ZXLD1362ET5TA Arrow Electronics Central EU 748 10/19/2019 Buy Now Germany
ZXLD1362ET5TA Arrow Electronics Central EU 9000 10/19/2019 Buy Now Germany
ZXLD1362ET5TA Arrow/Components Agent Ltd. 3000 10/19/2019 Buy Now Hong Kong
ZXLD1362ET5TA Digi-Key Electronics 20239 10/19/2019 Buy Now United States
ZXLD1362ET5TA Farnell, An Avnet Company 5702 10/19/2019 Buy Now England
ZXLD1362ET5TA Mouser Electronics Inc. 16047 10/19/2019 Buy Now United States
ZXLD1362ET5TA Future Electronics - Asia 3000 10/18/2019 Singapore
ZXLD1362ET5TA Future Electronics - Europe 15000 10/18/2019 England
ZXLD1362ET5TA Future Electronics - Europe 24 10/18/2019 England
ZXLD1362ET5TA RS Components 512 10/18/2019 Buy Now England
ZXLD1362ET5TA RS Components Ltd. 88 10/18/2019 Buy Now Japan
ZXLD1362ET5TA Avnet Asia 15000 10/17/2019 Buy Now Hong Kong