Datasheet Top | Hxje Ic

| Parameter | HX4004A / HU3031B | | :--- | :--- | | | 2.5 V to 5 V (2.7 V to 4.5 V for HX4004A) | | Fixed Output Voltage | 5 V (±3% to ±4%) | | Maximum Output Current | Up to 250 mA (varies with VIN) | | Switching Frequency | 360 kHz (HU3031B: 400 kHz) | | No-Load Quiescent Current | <1 μA (typical) | | Shutdown Current | <1 μA | | Package | 6‑Lead SOT‑23 (SOT23‑6L) | | Protection Features | Thermal Shutdown, Short‑Circuit Protection, Soft‑Start |

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HX4004A DC-DC преобразователь HX-JE SOT23-6 CHP166

Flying Capacitor Positive Terminal. Connection point for the charge-pump capacitor. Critical Technical Features 1. Inductorless Design hxje ic datasheet top

Provides the necessary voltage headroom to power series configurations of LEDs. Conclusion

The (primarily known by its full manufacturer part numbers HX4004 or HX4004A ) is a highly sought-after, low-noise, regulated charge pump DC-DC boost converter. Manufactured by Hexin Semiconductor, this component is widely recognized in engineering and electronics repair circles by its top-side SMD marking code: HX=JE (or HX-JE). Packaged in a compact SOT-23-6 format , it is an inductorless voltage doubler and step-up chip designed to deliver a fixed 5V output from low-voltage inputs, typically sourced from lithium-ion batteries.

: Precise physical dimensions and tolerances of the IC package, essential for PCB design . | Parameter | HX4004A / HU3031B | | :--- | :--- | | | 2

The internal block diagram of the HXJE reveals a streamlined architecture focused on reliability:

⚠️ : Avoid random "HXJE.pdf" files on unknown sites — they may be malware. Always verify by downloading from TI or a reputable distributor.

: An overview of how the IC works and its intended application. Connection point for the charge-pump capacitor

). This causes the device to draw excessive current from the battery, heating up the regulator rapidly while dropping the power rail to

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To find the correct datasheet, you need to identify the full part number or the manufacturer. Follow this guide to decode the component and find the right documentation. 1. Identify the Full Part Number