RT8239CZQW IC
Product Title: RT8239CZQW (Marking: JD= / JDDG / R2Q) Dual Synchronous Step-Down Controller IC (WQFN-20L 3x3)
Product Specifications:
- Part Number / Marking: RT8239CZQW (Top Marking Code: JD= / JDDG / R2Q)
- Device Type: Dual Synchronous Step-Down (Buck) PWM Controller IC
- Manufacturer: Richtek Technology
- Package / Case: WQFN-20L 3x3 (20-Pin Surface Mount with Exposed Thermal Pad)
- Input Voltage Range ($V_{IN}$): $5.5\text{V to }25\text{V DC}$
- Dual Output Voltages: Integrated Fixed $5\text{V}$ and $3.3\text{V}$ Standby LDO Regulators + Adjustable Step-Down Controllers
- Linear Regulators (LDO): 100mA $5\text{V}$ and $3.3\text{V}$ LDO Outputs
- Operating Temperature Range:$-40^\circ\text{C}\text{ to }+85^\circ\text{C}$
Short Description: High-efficiency Richtek RT8239CZQW (top marking: JD= / JDDG) dual synchronous step-down power supply controller in a 20-pin WQFN package. Generates primary system power rails (typically $3.3\text{V}$ and $5\text{V}$ ALWAYS ON supply) for laptop motherboards, netbooks, and portable devices. Features Richtek's proprietary Constant On-Time (COT) architecture for seamless dynamic load response. Critical replacement IC for resolving power-on failures, shorted $3.3\text{V}/5\text{V}$ standby rails, and damaged power management units on laptop logic boards.
IC උපාංග සහ Parts නැවත බර ගනු නොලැබේ | හුවමාරුවක් නැත | වගකීමක් නැත | මුදල් ආපසු ගෙවීමක් නැත කරුණාකර ඔබගේ අංකය පරීක්ෂා කර එය ඔබගේ පවතින නිෂ්පාදනය සමඟ ගලපන්න. ඔබ මෙම නිෂ්පාදනය අපගේ වෙබ් අඩවියෙන් මිලදී ගෙන එය මවු පුවරුවේ සවි කළ විට, එය ඔබේම අවදානම මත පවතිනු ඇත. කිසිදු දෝෂයකට අප වග කියනු නොලැබේ
1.00 Rs
1.00 Rs
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