TOP232YN Power Management chip
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Description:
The TOP232YN is an integrated switcher designed for use in off-line flyback converter applications. It combines a high-voltage power MOSFET, PWM control, fault protection circuitry, and startup circuitry into a single monolithic IC, providing high efficiency and low component count for power supply designs. This makes it suitable for a wide range of power supply applications including chargers, adapters, and other consumer electronics.
Key Features:
- Integrated high-voltage power MOSFET
- PWM control for high efficiency
- Built-in fault protection circuitry
- Automatic restart for overload protection
- Frequency jittering for EMI reduction
- Wide input voltage range
- Low standby power consumption
- Simple design with minimal external components
- Input Voltage Range: 85V to 265V AC
- Output Power: Up to 30W (depending on design)
- Switching Frequency: 100 kHz (typical)
- MOSFET Breakdown Voltage: 700V
- MOSFET On-Resistance: 6Ω (max)
- Current Limit: 0.68A (typical)
- Standby Power: <300mW
- Thermal Shutdown: Built-in
- Package Type: TO-220
- Weight: 2.5 g (approx)
- Battery chargers
- AC/DC adapters
- Standby power supplies
- Consumer electronics
- Industrial power supplies
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment