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The ADP2450ACPZ-1-R7 integrates a boost shunt controller with power detection, a high-efficiency buck regulator, four low-offset, low-power programmable gain amplifiers (PGAs), a low-offset operational amplifier, a fast analogue trip circuit and an actuator driver. Primarily for low voltage circuit breakers, such as mould circuit breakers. Suitable for low-voltage circuit breakers such as moulded case circuit breakers (MCCBs) and current transformer (CT) power supply applications. Boosted output voltages up to 36 V are available with integrated power detection circuitry to prevent circuit brownouts.

Features

● Boost parallel controller

● Adjustable output voltage range: 4.5 V to 36 V

● Integrated boost shunt driver

● Programmable power detection thresholds

● Buck regulator

● Input voltage range 4.5 V to 36 V

● Continuous output current: 500 mA

● Adjustable output voltage down to 0.6 V

● Fixed output options: 3.3 V and 5 V

● 1.2 MHz fixed switching frequency

● Voltage monitoring and open-drain reset outputs

● 4 programmable gain amplifiers

● Low power consumption

● Programmable gain and output DC common voltage

● Low offset operational amplifiers for leakage and grounding

● Fault current detection

● Analogue trip circuitry with programmable trip thresholds

● Actuator driver outputs

Applications

● Low-voltage circuit breakers

● CT power supply

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