DM0465R FSDM0465RB FSDM0465R IC
Product Title: FSDM0465R / DM0465R (Marking: DM0465R) Green Mode Fairchild Power Switch (FPS) IC (TO-220F-6L)
Product Specifications:
- Part Number: FSDM0465R / FSDM0465RB / DM0465R (Top Marking Code: DM0465R)
- Device Type: Integrated PWM Controller & SenseFET Off-Line Switcher (Fairchild Power Switch - FPS)
- Package / Case: TO-220F-6L / TO-220F-6P (Full-pack Through-Hole, Isolated)
- Pin Count: 6 Pins
- Drain-Source Breakdown Voltage ($V_{DSS}$): 650V
- Continuous Drain Current ($I_D$): 4.5A ($T_C = 25^\circ\text{C}$) / 2.9A ($T_C = 100^\circ\text{C}$)
- Internal SenseFET Resistance ($R_{DS(on)}$):$< 2.2\ \Omega$
- Operating Switching Frequency: 66 kHz (Fixed Internal Frequency)
- Startup Current: Low Operating Current (Typical $1.5\text{ mA}$)
- Protection Features: Internal Avalanche-Rugged SenseFET, Over-Load Protection (OLP), Over-Voltage Protection (OVP), Thermal Shutdown (TSD) with Hysteresis, Under-Voltage Lockout (UVLO), and Soft-Start Circuitry
Short Description: High-performance Fairchild FSDM0465R (top marking: DM0465R) Green-Mode Power Switch (FPS) integrated circuit in a 6-pin TO-220F full-pack package. Combines an avalanche-rugged 650V SenseFET with a current-mode PWM IC to simplify off-line Flyback SMPS design while drastically reducing standby power consumption. Widely used in power supply boards (PSU), AC-DC laptop power adapters, LCD monitor/TV power supply boards, and auxiliary SMPS circuits. Essential for component-level power supply and adapter repairs to fix dead SMPS circuits, replace blown primary switching ICs, and restore standby voltage rails ($5\text{V}$, $12\text{V}$, $19\text{V}$).
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