Datasheet

Connectors and Test Pins
30127102
FIGURE 2. Typical Connection Diagram
Evaluation Board Quick Setup Procedures
Terminal Designation Description
VIN Power supply positive (+ve) connection
PGND Power supply negative (-ve) connection
AGND LM3464A analog signal ground
LED1 Output Channel 1 (Connect to cathode of LED string 1)
LED2 Output Channel 2 (Connect to cathode of LED string 2)
LED3 Output Channel 3 (Connect to cathode of LED string 3)
LED4 Output Channel 4 (Connect to cathode of LED string 4)
EN LM3464A enable pin (pull down to disable)
VFB Connect to voltage feedback node of primary power supply for DHC
FAULTb Acknowledgement signal for arising of ‘FAULT’
DIM PWM dimming signal input (TTL signal compatible)
SYNC Synchronization signal for cascade operation
THM+ Connect to NTC thermal sensor for thermal foldback control
THM- Connect to NTC thermal sensor for thermal foldback control
VLEDFB Connected to LM3464A VLedFB pin
OUTP Connected to LM3464A OutP pin
VCC LM3464A internal voltage regulator output
VDHC Connected to LM3464A VDHC pin
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