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NCP1562 Datasheet(PDF) 5 Page - ON Semiconductor |
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NCP1562 Datasheet(HTML) 5 Page - ON Semiconductor |
5 / 6 page No Yes Variable toff Resonant Quasi- Resonant EMI Troubling? Need higher efficiency? Operating Mode No Yes Do you need low Standby power? Low End High End Please visit our website at www.onsemi.com for additional options. What features do you need? No Yes Is Your Input Power Above 25 W? Key Features & Benefits Page 5 ON Semiconductor NCP1271 + − AC Input Output Voltage Latch Input EMI Filter skip/latch FB CS Gnd HV VCC Drv Decoupling Capacitors Adjust Skip Level Latch Protection Compensation Ramp HV Pin Handles Up to 500 V Directly Primary Current Limitation Current-Mode Operation HV Pin Protection Fixed Frequency Controllers Low Cost and Low Power Consumption. . . Fixed frequency controllers from ON Semiconductor are the perfect solution for many applications. DVD players, set-top boxes, notebook power adapters, printers, scanners, LCD monitors, and a wealth of other end products use our controllers. Extremely low standby power helps you easily meet applicable regulations. The Dynamic Self-Supply (DSS) feature of our devices saves cost by avoiding the use of an auxiliary transformer winding, and current-mode topologies give tighter control of output voltage. Our fixed frequency controllers can help you meet your toughest design challenges while still keeping cost to a minimum. ~ Dynamic Self Supply (DSS) capability i No auxiliary transformer winding ~ Current-mode control with adjustable skip-cycle and Soft- Skip™capability i Provides excellent efficiency at light loads i No acoustic noise generation ~ Fixed frequencies up to 200 kHz i Offers suitable solution for all applications ~ High-voltage start-up-current source i Clean loss less start-up sequence ~ Frequency jittering i Reduces EMI signature ~ Go-to-standby for PFC front stage i Minimizes standby losses ~ Internal short–circuit protection independent of auxiliary voltage i Reliable short-circuit protection, immediately reducing the output power ~ Under-voltage lockout at 7.6 V typical i Suitable for applications already using UC3843 NCP1271 Typical Schematic for Fixed Frequency Controller with Soft-Skip™ FIXED FREQUENCY CONTROLLERS Device Max Output Power (W) Mode Standby Power Method Output Gate Drive (mA) @ VCC = 11V Frequency Options (kHz) Package(s) NCP1200 150/401 Current Adj Skip 250 40,60,100 4 4 EXT 4 SO-8, PDIP-8 NCP1201 150 Current Adj Skip 250 60,100 4 4 4 EXT 4 4 SO-8, PDIP-8 NCP1203 150 Current Adj Skip 250 40,60,100 4 4 EXT 4 SO-8, PDIP-8 NCP1216/A2 150/1001 Current Adj Skip 500 65,100,133 4 4 4 4 43 INT 4 SO-8, PDIP-7 NCP1217/A2 150 Current Adj Skip 500 65,100,133 4 4 4 4 43 INT 4 SO-7, PDIP-7 NCP1212 150 Current Adj Skip 500 Adj Up to 150 4 EXT 4 SO-8, PDIP-8 NCP1230 150 Current Adj Skip 500 65,100,133 4 4 4 4 4 INT SO-8, PDIP-8 NCP1271 150 Current Adj Skip w/ TLD5 500 65,100 4 4 4 INT 4 4 SO-7 NCP1282/1562* 400 Voltage Skip Cycle 200 Adj Up to 1000 4 * 4 4 4 4 EXT 4 SO-16 1. Maximum power output with DSS 2. “A” Versions Have a 50% Max Duty Cycle for Forward Topologies 3. Only Available on “A” Versions 4. Overvoltage Protection 5. Transient Load Detection * NCP1562 has 100 V startup FET NCP1271 Demo Board |
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