Product Descriptions
TOPSwitch-GX uses the same proven topology as TOPSwitch, cost effectively integrating the high voltage power MOSFET, PWM control, fault protection and other control circuitry onto a single CMOS chip. Many new functions are integrated to reduce system cost and improve design flexibility, performance and energy efficiency.
Depending on package type, either 1 or 3 additional pins over the TOPSwitch standard DRAIN, SOURCE and CONTROL terminals allow the following functions: line sensing (OV/UV, line feed-forward/DCMAX reduction), accurate externally set current limit, remote ON/OFF, synchronization to an external lower frequency, and frequency selection (132 kHz/66 kHz).
Product Features
Lower System Cost, High Design Flexibility
? Extended power range for higher power applications
? No heatsink required up to 34 W using P/G packages
? Features eliminate or reduce cost of external components
? Fully integrated soft-start for minimum stress/overshoot
? Externally programmable accurate current limit
? Wider duty cycle for more power, smaller input capacitor
? Separate line sense and current limit pins on Y/R/F packages
? Line under-voltage (UV) detection: no turn off glitches
? Line overvoltage (OV) shutdown extends line surge limit
? Line feed-forward with maximum duty cycle (DCMAX) reduction rejects line ripple and limits DCMAX at high line
? Frequency jittering reduces EMI and EMI filtering costs
? Regulates to zero load without dummy loading
? 132 kHz frequency reduces transformer/power supply size
? Half frequency option in Y/R/F packages for video applications
? Hysteretic thermal shutdown for automatic fault recovery
? Large thermal hysteresis prevents PC board overheating
EcoSmart – Energy Efficient
? Extremely low consumption in remote off mode (80 mW at 110 VAC, 160 mW at 230 VAC)
? Frequency lowered with load for high standby efficiency
? Allows shutdown/wake-up via LAN/input port
Specifications
| Attribute | Attribute value |
| Model | ANSC-M2502242445 |
| Product Model | TOP247YN |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| AC DC Converters, Offline Switchers | |
| Manufacturer | Power Integrations |
| Series | TOPSwitch?-GX |
| Packaging | Tube |
| Part Status | Not For New Designs |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 700V |
| Topology | Flyback |
| Voltage - Supply (Vcc/Vdd) | - |
| Duty Cycle | 0.665 |
| Frequency - Switching | 66kHz ~ 132kHz |
| Power (Watts) | 165 W |
| Fault Protection | Current Limiting, Over Temperature, Over Voltage |
| Control Features | Frequency Control |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Package / Case | TO-220-7 Formed Leads, 6 Leads |
| Supplier Device Package | TO-220-7C |
| Mounting Type | Through Hole |
| Base Product Number | TOP247 |
Actual product photos
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