ADP2114 step-down switching regulator
Analog Devices introduces the ADP2114 versatile synchronous step-down switching regulator that satisfies a wide range of customer point-of-load requirements. The PWM channels can be configured to deliver independent outputs at 2 A and 2 A (or 3 A/1 A) or can be configured as a single interleaved output capable of delivering 4 A. 180º phase shift of the PWM channels reduce input ripple current and input capacitance.
The ADP2114 provides high efficiency and operates at switching frequencies of up to 2 MHz. The ADP2114 is designed with an optimized gate slew rate to reduce EMI emissions, allowing it to power sensitive, high performance signal chain circuits. The switching frequency can be set to 300 kHz, 600 kHz, or 1.2 MHz and can be synchronized to an external clock that minimizes the system noise .
Main features of the ADP2114 step-down switching regulator are : configurable 2 A/2 A or 3 A/1 A dual output load combinations or 4 A combined single output , High efficiency: up to 95% , Input voltage VIN: 2.75 V to 5.5 V , selectable fixed output: 0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V or adjustable output voltage to 0.6 V minimum , ±1.5% accurate reference voltage , selectable switching frequency: 300 kHz, 600 kHz, 1.2 MHz or synchronized from 200 kHz to 2 MHz , optimized gate slew rate for reduced EMI , external synchronization input or internal clock output , dual-phase, 180° phase shifted PWM channels , ,input undervoltage lockout (UVLO) , overcurrent and thermal overload protection .


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