Exar – XR22404/14: Industry’s Lowest Power USB 2.0 4-Port Hub Controllers

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The XR22404 is a USB 2.0, 4-port hub that can be configured for downstream device charging and is compatible with Battery Charging specification revision 1.1/1.2. It operates from either 3.3V or 5V supply allowing bus- or self-powered operation without an external LDO. It is available in a tiny 4 x 4mm, 24-pin QFN or a […]

Exar – XR76203/5/8-Q: AEC-Q100 Qualified Family of 40V PoL Regulators

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The XR76203-Q, XR76205-Q and XR76208-Q are 3A/5A/8A synchronous step down regulators designed to provide a wide 5.5V to 40V input voltage range and an adjustable output voltage down to 0.6V while providing excellent transient response and output accuracy over the entire voltage range. In addition, the XR76208-Q is the highest current (8A), fully synchronous, 40V […]

Exar – XR77103: Triple Channel Universal PMIC Supports Low Power FPGAs and Processors

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The XR77103 features three synchronous buck converters. Each converter is digitally programmable requiring minimal external components. The converters can operate in 5V, 9V and 12V systems and have integrated power switches. The output voltage of each converter can be adjusted by programming the values in the VOUT setting registers through an I2C interface. The output […]

Exar – XR34350: Multiprotocol Transceiver Simplifies Industrial Designs and Supports Legacy Peripherals

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The XR34350 features a wide ±10V RS-232 driver output that supports a wider range of RS-232 peripherals. Similar to the industry leading SP339, the XR34350 includes integrated cable termination and four configuration modes that allow all three protocols to be used interchangeably over a single cable or connector with no additional switching components. The RS-232 […]

Exar – XR79120: Industry’s Smallest 20A Power Module

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The XR79120 provides an easy to use, fully integrated power converter integrating MOSFETs, inductors, and internal input and output capacitors. A wide 4.5V to 22V input voltage range allows for single supply operation from industry standard 5V, 12V, and 19.6V rails. With a proprietary emulated current mode Constant On-Time (COT) control scheme, the XR79120 provides […]

Exar – XR33152/56/58: ±60V Fault Tolerant 3.0V to 5.5V TIA-485/TIA-422 Transceivers

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Interface The XR33152/XR33156/XR33158 is a high performance TIA-485/TIA-422 transceiver family designed for improved performance in noisy industrial environments and increased tolerance to system faults. The analog bus pins can withstand direct shorts up to ±60V and are protected against ESD events up to ±15kV HBM. An extended ±25V common mode operating range allows for more […]

Exar – XR76203/205/208: 40V PowerBlox™ 3A/5A/8A Synchronous Step Down COT Regulator

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The XR76203, XR76205 and XR76208 are synchronous step down regulators combining the controller, drivers, bootstrap diode and MOSFETs in a single package, supporting point-of-load (POL) supplies of 3A, 5A and 8A, respectively. The devices are designed to provide a wide 5V to 40V input voltage range while providing excellent transient response and output accuracy over […]

Exar – XR77128: Quad Channel Digital Programmable Power Management System IC

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The XR77128 is a quad channel Digital Pulse Width Modulated (DPWM) step down (buck) controller. With integrated FET gate drivers, two LDOs for stand-by power and a 105kHz to 1.23MHz independent channel to channel programmable constant operating frequency, the XR77128 reduces overall component count and solution footprint and optimizes conversion efficiencies. A selectable Digital Pulse […]

Exar – iML8684: AC Step Driver for LED Lighting

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The iML8684 is a Three Terminal Current Controller (TTCC) for regulating the current flowing through an LED string. Unlike conventional AC driver solutions which use a single large driver, iML has patented a unique distributed architecture of multiple small, low cost drivers. This solution provides increased flexibility and a lower overall BOM cost as it […]

Exar – XR79110 and XR79115: Industry’s Smallest High Current Power Modules

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XR79110 and XR79115: Industry’s Smallest High Current Power Modules The XR79110 and XR79115 use Exar’s emulated current mode COT control scheme that has the fast transient response of conventional COT control loops while providing excellent line and load regulation performance. Exar’s COT control loop enables operation with ceramic output capacitors, eliminating loop compensation components. The […]