Product Summary
The AIC1563CS is a monolithic control circuit containing the primary functions required for DC to DC converters and highside-sensed constant current source. The AIC1563CS consists of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current sense circuit, bootstrapped driver, and high current output switch. This AIC1563CS is specifically designed to construct a constant current source for battery chargers with a minimum number of external components. Bootstrapped driver can drive the NPN output switch to saturation for higher efficiency and less heat dissipation. The AIC1563CS can deliver 1.5A continuous current without requiring a heat sink. Applications of the AIC1563CS are: Constant Current Source for Battery Chargers, Saver for Cellular phones, Step-Down DC-DC Converter Module.
Parametrics
AIC1563CS absolute maximum ratings: (1)Supply Voltage: 30V; (2)Comparator Input Voltage Range: -0.3V~30V; (3)Switch Collector Voltage: 30V; (4)Switch Emitter Voltage: 30V; (5)Switch Collector to Emitter Voltage: 30V; (6)Driver Collector Voltage: 30V; (7)Switch Current: 2A; (8)Operating Junction Temperature: 125℃; (9)Operating Ambient Temperature Range: 0~70℃; (10)Storage Temperature Range: - 65℃ ~ 150℃.
Features
AIC1563CS features: (1)3V to 30V Input Voltage Operation; (2)Internal 2A Peak Current Switch; (3)1.5A Continuous Output Current; (4)Bootstrapped Driver; (5)High Side Current Sense Capability; (6)High Efficiency (up to 90%); (7)Internal ±2% Reference; (8)Low Quiescent Current at 1.6mA; (9)Frequency Operation from 100Hz to 100KHz.
Diagrams
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