ChongMing Group (HK) Int'l Co., Ltd
CHONGMING GROUP (HK) INT'L CO., LTD.
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Green Mode Fairchild Power Switch Field Effect Transistor , FSDM0465R
Features
Applications
Related Application Notes
Description
The FSCM0465R is an integrated Pulse-Width Modulator (PWM) and SenseFET specifically designed for high-performance offline Switch Mode Power Supplies (SMPS) with minimal external components. This device is an integrated high-voltage powerswitching regulator that combines an avalanche rugged SenseFET with a current mode PWM control block. The PWM controller includes an integrated fixed-frequency oscillator, under-voltage lockout, leading edge blanking (LEB), optimized gate driver, internal soft-start, temperature-compensated precise current sources for a loop compensation, and self-protection circuitry. Compared with a discrete MOSFET and PWM controller solution, it can reduce total cost, component count, size, and weight while simultaneously increasing efficiency, productivity, and system reliability. This device is a basic platform well suited for cost-effective designs of flyback converters.
Absolute Maximum Ratings
The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings.
TA = 25°C unless otherwise specified.
| Symbol | Parameter | Value | Unit | |
| BVDSS | Drain-Source Breakdown Voltage(1) | 650 | V | |
| VDGR | Drain-Gate Voltage (RGS=1MΩ) | 650 | V | |
| VGS | Gate-Source (GND) Voltage | ±30 | V | |
| IDM | Drain Current Pulsed(2) | 16 | ADC | |
| ID | Continuous Drain Current | T C = 25°C | 4.0 | ADC |
| T C = 100°C | 2.5 | ADC | ||
| Continuous Drain Current (D2-PAK-6L) | T C = 25°C | 2.3 | ADC | |
| T C = 100°C | 1.4 | ADC | ||
| VCC | Supply Voltage | 20 | V | |
| VFB | Feedback Voltage Range | -0.3 to VCC | V | |
| PD | Total Power Dissipation (TO-220-6L) | 140 | W | |
| Derating | -1.1 | W/°C | ||
| PD | Total Power Dissipation (I2-PAK-6L) | 75 | W | |
| Derating | -1.5 | W/°C | ||
| PD | Total Power Dissipation (D2-PAK-6L) | 80 | W | |
| Derating | -0.64 | W/°C | ||
| TJ | Operating Junction Temperature | Internally limited | °C | |
| TA | Operating Ambient Temperature | -25 to +85 | °C | |
| TSTG | Storage Temperature | -55 to +150 | °C | |
| ESD Capability, HBM Model (All pins except Vfb) | 2.0 (GND-Vfb = 1.5kV) (VCC-Vfb = 1.0kV) | kV | ||
| ESD Capability, Machine Model (All pins except Vfb) | 300 (GND-Vfb = 250V) (VCC-Vfb = 100V) | V | ||
Notes: 1. Tj = 25°C to 150°C
2. Repetitive rating: Pulse-width limited by maximum junction temperature
3. T C: Case back surface temperature with infinite heat sink
Typical Circuit
Figure 1. Typical Flyback Application
Internal Block Diagram
Figure 2. Functional Block Diagram of FSCM0465R
Pin Configuration
Figure 3. Pin Configuration (Top View)