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DIO1298 Datasheet(PDF) 1 Page - DIOO MICROCIRCUITS CO., LTD |
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DIO1298 Datasheet(HTML) 1 Page - DIOO MICROCIRCUITS CO., LTD |
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1 / 23 page  DIO1298 Version 1.2, Apr 2026 www.dioo.com © 2026 Dioo Microcircuits Co., Ltd. Jiangsu I 32 V, 6 A Low RDS(ON) Load Switch for USB VBUS Safety Management Features Wide operating voltage range: 3 V to 32 V RDS(ON): 24 mΩ (typ.) Load current range: up to 6 A Power good flag with open drain output Soft start limits inrush current Overvoltage protection (OVP) at IN - Fixed 33 V: OVLO is connected to GND - 4 V to 33 V: OVLO is programmed by external resistor Short circuit protection (SCP) during & after SS Overcurrent protection (OCP): 20 A, 150 ns “Ideal diode” reverse current protection (RCP) - VF = 20 mV and 15 μs fast recovery Hiccup mode auto retry after faults Enable logic - DIO1298A: active, __ EN low - DIO1298B: active, EN high Transient voltage suppression (TVS) at IN - ±100 V surge protection (IEC61000-4-5 8/20 µs) - ±30 kV ESD contact discharge (IEC61000-4-2) - ±30 kV ESD air gap discharge (IEC61000-4-2) Thermal protection Operating temperature range: -40°C to 85°C Applications Notebook PC Docking Monitors Handheld game console Electric tool Package Information Part Number Package Body Size DIO1298 WLCSP-25 2.53 mm × 2.53 mm Description The DIO1298 is a load switch for USB VBUS safety management, which could provide up to 165 W current-sink input for 28 V EPR systems. It stands out with a broad operating voltage from 3 V to 32 V. With a continuous current rating of 6 A, it's well equipped for power intensive tasks. This device integrates an array of safety features. Soft start functionality smoothly ramps up power, curbing inrush current. It offers both internal and external adjustable overvoltage protection. The "ideal diode" reverse current protection, with a mere 20 mV forward voltage drop and rapid 15 μs recovery, prevents unwanted current flow. Moreover, it includes short circuit, overcurrent, and overtemperature protection, along with robust transient voltage suppression against ESD and surges. The DIO1298 supports a low RDS(ON) in a tiny package WLCSP (2.53 mm × 2.53 mm), it could provide a highly efficient and space saving solution for such as notebook, PC, monitors or other applications. Simplified Schematic |
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