ADP1031ACPZ-2

ADP1031ACPZ-2 is a three-channel, isolated micropower management unit with seven digital isolators. It combines an isolated flyback dc-to-dc regulator, an inverting dc-to-dc regulator and a buck dc-to-dc regulator, providing three isolated power rails. Additionally, ADP1031 contains four, high speed, serial peripheral interface (SPI) isolation channels and three general-purpose isolators for channel to channel applications where low power dissipation and small solution size is required. The digital isolators integrated in the ADP1031 use Analog Devices, Inc., iCoupler® chip scale transformer technology, optimized for low power and low radiated emissions. This device can be driven by an external oscillator in the range of 350KHz to 750KHz to ease noise filtering in sensitive applications. Typical applications are industrial automation and process control, instrumentation and data acquisition systems, data and power isolation.

• Integrated flyback power switch
• Uses a 1:1 ratio transformer for simplified transformer design
• Peak current limiting and OVP for flyback, buck, and inverting regulators
• Precision enable input and power-good output, adjustable switching frequency via SYNC input
• Internal compensation and soft start control per regulator
• High speed, low propagation delay, SPI signal isolation channels
• Conforms to CISPR11 class B radiated emission limits
• Input voltage (VINP) range from 4.5 to 60V (4.5 V ≤ VINP ≤ 60 V, −40°C ≤ TJ ≤ +125°C)
• Adjustable Vout1, 5V VOUT2, adjustable VOUT3
• Temperature rating range from −40°C to +125°C, 41-lead LFCSP package

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