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Power LSI series for Digital Camera and Digital Video Camera
Strobe Charge Control IC
BD4234NUX
●Outline The strobe charge IC is a self-oscillating switching
regulator that uses a transformer. It provides highly efficient applications for charging capacitors in sets with various strobes.
●Features 1) Built-in lowVth48V DMOS 2) Adjustable transformer primary-side peak current by RADJ pin 3) Charging control switching with the START pin 4) Includes high precision full charge voltage detection circuit and output pin 5) Various built-in protective circuits (TSD, UVLO, SDP) 6) Built-in IGBT driver
●Key Specifications
SW pin input range:
48V
SW pin peak current:
0.5A±20%
Full charge detection voltage DC:
1.0V±1.1%
Full charge detection voltage AC 200nsec:1.0V-1.1%~1.