NCP1607BDR2G ON Semiconductor, NCP1607BDR2G Datasheet
NCP1607BDR2G
Specifications of NCP1607BDR2G
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NCP1607BDR2G Summary of contents
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... Electronic Light Ballast R ZCD + C IN EMI AC Line Filter © Semiconductor Components Industries, LLC, 2009 April, 2009 − Rev. 1 NCP1607BDR2G †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. L BOOST NCP1607 ...
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Shutdown V OUT BULK OUT1 FB E/A R OUT2 ESD D BOOST COMP V CONTROL Control ESD BOOST I C CHARGE T ESD ESD R S ...
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PIN FUNCTION DESCRIPTION Pin Name 1 FB The FB pin is the inverting input of the internal error amplifier. An external resistor divider scales the output voltage to the internal reference voltage to maintain regulation. The feedback information is also ...
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ELECTRICAL C HARACTERISTICS (For typical values 25°C. For min/max values 2 CONTROL Characteristics V UNDERVOLTAGE LOCKOUT SECTION CC V Startup Threshold ...
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ELECTRICAL C HARACTERISTICS (For typical values 25°C. For min/max values 2 CONTROL Characteristics Current Capability of the Negative Active Clamp: in ...
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TEMPERATURE (°C) Figure 3. Ct Charge Current vs. Temperature 3.30 3.25 3.20 3.15 3.10 3.05 3.00 −50 − TEMPERATURE (°C) Figure 5. ...
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I OVP OVP(HYS −50 − TEMPERATURE (°C) Figure 9. Dynamic OVP Triggering Current vs. Temperature 2.30 2.25 2.20 2.15 2.10 2.05 2.00 −50 − TEMPERATURE ...
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I = 100 mA SOURCE 100 mA SINK −50 − TEMPERATURE (°C) Figure 15. Gate Drive Resistance vs. Temperature 0.520 0.515 0.510 ...
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Introduction The NCP1607 is a voltage mode power factor correction (PFC) controller designed to drive cost effective pre−converters to meet input line harmonic regulations. This controller operates in critical conduction mode (CRM) for optimal performance in applications up to 250 ...
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These circuits operate at a higher frequency and so they are smaller, lighter in weight, and more efficient than a passive circuit. With proper control of an active PFC stage, ...
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When the switch is closed, the inductor current increases linearly to its peak value. When the switch opens, the inductor current linearly decreases to zero. At this point, the drain voltage of the switch ( essentially floating d ...
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A compensation network is placed between the FB and Control pins to reduce the speed at which the EA responds to changes in the boost output. This is necessary due to the nature of an active PFC circuit. The PFC ...
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Note that the maximum on time of the controller occurs when its maximum. Therefore, the Ct CONTROL capacitor must be ...
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To prevent negative voltages on the ZCD pin, the pin is internally clamped to V (600 mV typical) when the CL(NEG) ZCD winding is negative. Similarly, the ZCD pin is clamped to V (5.7 V typical), when the voltage rises ...
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V CC(on CC(off REF FB Control V EAL Natural Soft Start V OUT Figure 32. Startup Timing Diagram Showing the Natural Soft Start of the Control Pin + UVLO − + Figure 33. Output ...
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V OUT I R ROUT1 OUT1 I RFB OUT2 ROUT2 C COMP Control When the output voltage is in steady state equilibrium, R and R regulate the FB voltage to V OUT1 OUT2 this equilibrium ...
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STATIC OVERVOLTAGE PROTECTION If the OVP condition lasts for a long time, it may happen that the error amplifier output reaches its minimum level (i.e. Control = would then not be able to sink any EAL current ...
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UVP and OVP protect the system from low bulk voltages and rapid operating point changes respectively, while the FPP protects the system against floating feedback pin conditions. If FPP is not implemented and a manufacturing error causes the feedback pin ...
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DRV CS LEB + R S optional Figure 38. OCP Circuitry with Optional External RC Filter V OUT R OUT1 C COMP Shutdown R OUT2 Figure 39. Shutting Down the PFC Stage by Pulling FB to GND (A) or Pulling ...
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... Application Information ON Semiconductor provides an electronic design tool, a demonstration board and an application note to facilitate the design of the NCP1607 and reduce development cycle time. All the tools can be downloaded or ordered at www.onsemi.com Figure 41. Application Board Circuit Schematic The electronic design tool allows the user to easily determine most of the system parameters of a boost pre− ...
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BOOST DESIGN EQUATIONS Components are identified in Figure 1 RMS Input Current Maximum Inductor Peak Current Inductor Value Maximum On Time Off Time Frequency Pin 3 Capacitor Boost Turns to ZCD Turns Ratio Resistor from ZCD wind- ...
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BOOST DESIGN EQUATIONS Components are identified in Figure 1 MOSFET RMS Current I M(RMS)MAX MOSFET Sense Resistor Bulk Capacitor RMS Current I C(RMS) Type 1 C COMP Vac + 2 out ...
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... M S *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. The product described herein (NCP1607), may be covered by the following U.S. patents: 5,073,850 and 6,362,067. There may be other patents pending. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC) ...