ONSEMI CAT4026V-T1
Manufacturer No:
CAT4026V-T1
Manufacturer:
Package:
28-SOIC (0.295, 7.50mm Width)
Description:
LED Controller, 6-Channel, with Fault Diagnostics
Quantity:
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CAT4026V-T1 Information
ONSEMI CAT4026V-T1 technical specifications, attributes, parameters and parts with similar specifications to ONSEMI CAT4026V-T1.
- Type
- Parameter
- LEDs in Parallel, Max #
- 6
- Package Type
- SOIC-28W
- Case Outline
- 751BM
- Container Qty.
- 1000
- IO Max (mA)
- -
- LEDs in Series, Max #
- 80
- MSL Type
- 3
- MSL Temp (°C)
- 260
- Container Type
- REEL
- VI Max (V)
- 5.5
- Type
- Parameter
Download datasheets and manufacturer documentation for ONSEMI CAT4026V-T1.
Datasheet:
Package Drawing:
The CAT4026 is a high performance, large panel LED controller designed to control six constant current high voltage LED strings. Added control circuitry monitors the lowest cathode voltage and generates a feedback control signal to an external Switch Mode Power Supply (SMPS) to provide a low cost and efficient solution for large panel high voltage LED backlighting.Each LED channel current is accurately matched and controlled by sensing an external resistor in series with a low cost bipolar power transistor. This allows current and heat dissipation concerns to be mitigated from the CAT4026 device package.For added system reliability, both Open-Cathode-Anode (OCA) and Shorted-Cathode-Anode (SCA) fault detection circuitry has been included along with independent Fault flag logic outputs for diagnostic purposes.LED current dimming in all six channels can be precisely controlled by either a Pulse Width Modulation signal via the PWM input pin or by an analog dimming voltage applied at the ANLG pin. In addition the ANLG pin provides a convenient method for limiting the overall maximum power dissipation in the event of excessive LED shorting within any LED string.The device will automatically enter low current shutdown mode by taking the PWM pin low for an extended length of time.
Application
- LED Backlighting
End Product
- LCD TVs
Feature
- 6 Channel LED Controller
- Adaptive Feedback Control to External SMPS for Better Efficiency
- PWM and Analog Mode Dimming
- Short Cathode-Anode (SCA) Fault Protection
- Open Cathode-Anode (OCA) Fault Protection
- Over-Voltage Protection
- Thermal Shutdown Protection
- Automatic Inactivity Power Down Mode
CAT4026V-T1 Relevant information
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