NCP1654BP65G ON Semiconductor, NCP1654BP65G Datasheet
NCP1654BP65G
Specifications of NCP1654BP65G
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NCP1654BP65G Summary of contents
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NCP1654 Power Factor Controller for Compact and Robust, Continuous Conduction Mode Pre-Converters The NCP1654 is a controller for Continuous Conduction Mode (CCM) Power Factor Correction step−up pre−converters. It controls the power switch conduction time (PWM fixed frequency mode ...
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MAXIMUM RATINGS TABLE Symbol Pin DRV 8 Output Drive Capability − Source Output Drive Capability − Sink V 7 Power Supply Voltage Transient Power Supply Voltage, duration < 10 ms, IV Vin ...
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TYPICAL ELECTRICAL CHARACTERISTICS TABLE Symbol GATE DRIVE SECTION R Source Resistance @ I OH source R Sink Resistance @ I = −100 mA OL sink T Gate Drive Voltage Rise Time from 1 13 ...
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TYPICAL ELECTRICAL CHARACTERISTICS TABLE Symbol OVERVOLTAGE PROTECTION Ratio (Overvoltage Threshold / V OVP REF T Propagation Delay (V OVP FB UNDERVOLTAGE PROTECTION / SHUTDOWN V /V UVP Activate Threshold Ratio (T UVP(on) REF V /V UVP Deactivate ...
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DETAILED PIN DESCRIPTIONS Pin Symbol Name 1 GND Ground 2 V Multiplier in Voltage 3 CS Current Sense Input 4 V Brown−Out / Control Voltage / control Soft−Start 6 V Feed−Back / FB Shutdown 7 V ...
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IN EMI AC Filter Input OVP + - 105% Vref UVP - + R boU 8% Vref with 4% Vref Hysteresis Vdd R Soft Start fbU fbL - 95% Vref + - Vref + ±28 mA Vcontrol ...
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−50 − JUNCTION TEMPERATURE (°C) J Figure 2. Gate Drive Resistance vs. Temperature −50 − ...
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T , JUNCTION TEMPERATURE (°C) J Figure 8. V Maximum Voltage vs. control Temperature 95.1 95.0 94.9 94.8 94.7 94.6 94.5 94.4 94.3 −50 − ...
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T , JUNCTION TEMPERATURE (°C) J Figure 14. Over−Power Current Threshold (@V = 2.67 V & vs. Temperature ...
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T , JUNCTION TEMPERATURE (°C) J Figure 19. Brown−Out Voltage Threshold (Rising) vs. Temperature 7.5 6.5 5.5 4.5 3.5 2.5 −50 − JUNCTION TEMPERATURE (°C) ...
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T , JUNCTION TEMPERATURE (°C) J Figure 25. V Start−Up Threshold (V CC Rising) vs. Temperature 2.0 1.8 1.6 1.4 1.2 1.0 −50 −25 0 ...
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Detailed Operating Description Introduction The NCP1654 is a PFC driver designed to operate in fixed frequency, continuous conduction mode. The fixed frequency operation eases the compliance with EMI standard and the limitation of the possible radiated noise that may pollute ...
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PRINCIPLE OF NCP1654 SCHEME CCM PFC Boost A CCM PFC boost converter is shown in Figure 31. The input voltage is a rectified sinusoidal signal. The MOSFET is switching at a high frequency (typically 65/133/200 kHz ...
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V is the internal ramp voltage, the positive input of the ramp PFC modulation comparator the multiplier voltage appearing the internal charging current the internal ramp capacitor, and ramp V ...
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R is low side resistor of the dividing resistors between boL V and BO pin upper side resistor of the dividing resistors between boU V and BO pin NCP1654 + R ...
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Input and output power (P and P in out The variable V stands for the rms input voltage control out (V control T Follower Boost The “Follower Boost” is ...
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The feedback signal V represents the output voltage fb V and will be used in the output voltage regulation, out Overvoltage protection (OVP), fast transient response, and Undervoltage protection (UVP) Output Voltage Regulation NCP1654 uses a high gain Operational Trans− ...
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Soft Start The block diagram and timing diagram of soft start function are as shown in Figure 42 and Figure 43. The device provides no output (or no duty ratio) when the V is lower than control ...
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Undervoltage Protection (UVP) for Open Loop Protection or Shutdown I STDN Shutdown I CC2 8% V 12% V REF Figure 44. Undervoltage Protection As shown in Figure 44, when V is less than the device is ...
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Before Device Operates boU R boL Hence a larger hysteresis of the brown out comparator is needed, which is 0.7 V typical in this device. When V goes below than V (0.7 V typical), the device ...
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V Undervoltage LockOut (UVLO) cc The device incorporates an Undervoltage Lockout block to prevent the circuit from operating when Vcc is too low in order to ensure a proper operation. An UVLO comparator monitors V pin voltage to allow the ...
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TB2 1 2 390 V C4 180 mF, 450 MSR860G SPP20N60S5 1 1 650 mH 2 0.1 mF GBU8J 600 − ...
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... Y 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 (NCP1654), may be covered by the following U.S. patents: 6,362,067; and 7,447,601. There may be other patents pending. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC) ...