Xinluda Information Technology Co., Ltd. Electronic Parts
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The Xinluda XL3526 is a monolithic regulating pulse width modulator (PWM) switching controller designed for fixed-frequency switching power supplies. Supplied in an 18-pin SOP-18 package, it follows the architecture of the long-established SG3526 regulating PWM controller family, integrating a temperature-compensated voltage reference, sawtooth oscillator, error amplifier, pulse-width modulator, steering logic, and dual output drivers on a single device.
According to Xinluda’s published data, the XL3526 operates from a 7 V to 35 V supply, switches at frequencies up to 600 kHz, provides an output drive current of approximately 0.2 A, and is specified for a maximum duty cycle of 50%, making it well suited to push-pull as well as single-ended topologies. It supports a broad range of converter configurations including buck, boost, flyback, forward, half-bridge, full-bridge, and push-pull.
The XL3526 is intended for engineers building or maintaining single-ended and push-pull switching regulators in both transformerless and transformer-coupled topologies. As a part that follows the SG3526 architecture, it is frequently considered as an alternative for legacy designs and cost-sensitive production runs. Always verify the pinout and full electrical parameters against the device datasheet before substituting it into an existing SG3526-based design.
The XL3526 is a hard-to-find, request-for-quote part with little to no authorized-distributor stock. Pacific Component Xchange specializes in sourcing scarce, obsolete, and end-of-life power-management ICs and switching controllers like the XL3526. We support buyers who need to keep legacy switching-supply designs in production or fulfill spot shortages without redesigning around a different controller.
Every order is backed by our authenticity and inspection process to protect against counterfeit and non-conforming product, and we ship worldwide to support both prototype and volume requirements. Submit an RFQ today for current availability, lead time, and pricing on the Xinluda XL3526 and SG3526-architecture alternatives.
The XL3526 is a regulating pulse width modulator (PWM) switching controller IC from Xinluda Information Technology, supplied in an SOP-18 package. Per Xinluda's data it operates from 7 V to 35 V, switches up to 600 kHz, and follows the architecture of the industry-standard SG3526.
Yes. The XL3526 follows the SG3526 regulating PWM controller architecture, which makes it a candidate alternative for many switching-power-supply designs. Always verify the pinout and full electrical parameters against the XL3526 datasheet before substituting it into a specific design.
Xinluda lists the XL3526 in an 18-pin SOP-18 surface-mount package.
Per Xinluda's published data, the XL3526 supports a 7 V to 35 V supply, a switching frequency up to 600 kHz, an output drive current of approximately 0.2 A, and a maximum duty cycle of 50%.
It is used in single-ended and push-pull switching power supplies, DC-DC converters (buck, boost, flyback, forward, half-bridge, full-bridge), switch-mode regulators, and as a maintenance controller for SG3526-architecture designs.
The XL3526 is a hard-to-find part with little or no authorized-distributor stock. Pacific Component Xchange sources it on a request-for-quote basis, providing current availability, lead time, and pricing once you submit an RFQ.
Yes. All parts sourced through Pacific Component Xchange go through our inspection and authenticity verification process to guard against counterfeit or non-conforming components, and we ship worldwide.
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