(China (Mainland))
Product Summary
The TDA4918G is a general-purpose single-ended switch-mode power supply device for the direct control of SIPMOS power transistors incorporates both digital and analog functions. These are required for the construction of high-quality flyback, forward and choke converters. The TDA4918G can be likewise used for transformer-less voltage multipliers and variable-speed motors. Faults occurring during operation of the switch-mode power supply are detected by comparators integrated in the TDA4918G which initiate protective functions. In addition, pairs of power supplies can be synchronized in antiphase. In-phase or antiphase synchronization is possible when more than two power supplies are involved.
Parametrics
TDA4918G absolute maximum ratings: (1)Supply voltage: - 0.3 to 17V; (2)Frequency Generator: - 0.3 to 5V; (3)Ramp Generator: - 0.3 to VCRH V; (4)Reference voltage: - 0.3 to 6V; (5)Driver output; Q SIP: - 0.3 VS V; (6)Series feed; SF VSF: - 0.3 17 V; (7)Junction temperature Tj: - 65 150 ℃; (8)Storage temperature Ts: - 65 150 ℃; (9)Thermal resistance system - ambient, Rth S/A: 60 K/W.
Features
TDA4918G features: (1)High clock frequency; (2)Low current drain; (3)High reference accuracy; (4)All monitoring functions.
Diagrams
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