NCP1603D100R2G ON Semiconductor, NCP1603D100R2G Datasheet
NCP1603D100R2G
Specifications of NCP1603D100R2G
Related parts for NCP1603D100R2G
NCP1603D100R2G Summary of contents
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... GND2 4 Osc 5 GND1 6 Out1 CC1 (Top View) ORDERING INFORMATION Device Package NCP1603D100R2G SO−16 (Pb−Free) †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. 1 MARKING DIAGRAM 16 1603D100G AWLYWW 1 HV ...
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EMI AC Filter Input Not Synchronized and V EMI AC Filter Input Synchronized and Output OVP Latch Implemented NCP1603 OVP Latch Implemented CC OVP NCP1603 Figure 1. Typical Application Circuits http://onsemi.com 2 + Output Voltage − OVP Output Voltage + ...
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V FB2 2 FB2 5V Standby 20k 10V − + 55k 0.75V 25k + 2 Gnd2 4 Softstart − 1V max 1 0 100 kHz 5ms Jittering 0~2.3V ramp 18k V CS2 200ns 3 CS2 LEB 10V ...
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PIN FUNCTION DESCRIPTION Pin Symbol Function 1 V Auxiliary Supply aux 2 FB2 PWM Feedback 3 CS2 PWM Current Sense 4 GND2 PWM Ground 5 Osc PFC Oscillator 6 GND1 PFC Ground 7 Out1 PFC Drive Output 8 V PFC ...
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MAXIMUM RATINGS Rating V Pin (Pin 1) aux Maximum Voltage Range Maximum Continuous Current FB2 and CS2 Pin (Pins 2−3) Maximum Voltage Range Maximum Current Ramp, CS1 FB1, and Osc Pins (Pins 5, 9−12) control Maximum Voltage Range ...
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ELECTRICAL CHARACTERISTICS 100 nF, Ramp = 330 pF, Osc = 220 pF unless otherwise specified). CC1 control Characteristic (PWM Section) PWM OSCILLATOR Oscillation Frequency (T = 25_C) (Note 3) J ...
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ELECTRICAL CHARACTERISTICS 100 nF, Ramp = 330 pF, Osc = 220 pF unless otherwise specified). CC1 control Characteristic (PFC Section) PWM SUPPLY SECTION Supply Voltage Startup Threshold, V Increasing CC2 ...
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ELECTRICAL CHARACTERISTICS CC2 CC1 control Characteristic (PFC Section) PFC CURRENT SENSE Current Sense Pin Offset Voltage (I = 100 mA) S Overcurrent Protection Level Current Sense Pin ...
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T , JUNCTION TEMPERATURE (°C) J Figure 3. PWM Section Oscillator Frequency vs. Temperature CS2 Pin ...
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T , JUNCTION TEMPERATURE (°C) J Figure 9. PWM Section Lead Edge Blanking vs. Temperature 500 450 400 350 300 250 200 150 100 50 0 −50 ...
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T , JUNCTION TEMPERATURE (°C) J Figure 15. FB2 Pin Sinking Capability vs. Temperature Sinking ...
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T , JUNCTION TEMPERATURE (°C) J Figure 21. PWM Section Supply Voltage Thresholds vs. Temperature −50 ...
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T , JUNCTION TEMPERATURE (°C) J Figure 27. PFC Section Reference Current vs. Temperature 100 ...
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T , JUNCTION TEMPERATURE (°C) J Figure 33. PFC Section Overvoltage Protection Threshold vs. Temperature 120 100 −40°C J ...
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T , JUNCTION TEMPERATURE (°C) J Figure 39. PFC Section Zero Current Sense Resistance vs. Temperature 12 11.5 11 10.5 10 9.5 9 8.5 8 −50 −25 ...
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EMI C V filter Filter CS1 Introduction The NCP1603 is a PWM/PFC combo controller for two−stages PFC low−power application. application circuit is listed in Figure 45. The first−stage PFC boost ...
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The recommended biasing schematic of the controller is in Figure 47 while a typical completed application schematic can be referred to Figure 45. These two dies have their own individual supply voltages at Pin 8 and Pin 14. The grounds ...
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The UVLO start thresholds of V CC1 typical) and the maximum allowable limit the other hand, the V is enabled when V aux (7.7 V typical). Hence, there are two possible operating regions in Figure 49. ...
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Frequency Jittering PWM Section Oscillator Frequency 5 ms Figure 51. Frequency Jittering of PWM Oscillator Frequency jittering is a method used to soften the EMI signature by spreading the energy in the vicinity of the main switching component. The PWM ...
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Startup current source charging the V 12 CC2 7 Figure 53 illustrates the timing diagram of V second−stage drain current I in fault condition. The V D drops because output voltage collapses. ...
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Figure 54 illustrates the standby detection circuitry and its timing diagram. When standby condition happens (i.e., V < 0.75 V), the controller will wait for a typical 125 ms FB2 to ensure that the output power remains low for a ...
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DCM needs higher peak inductor current comparing to CRM in the same averaged input current. Hence, CRM is generally preferred at around the sinusoidal peak for lower the maximum current stress but DCM is also preferred at the non−peak region ...
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V ESD zener diode. The 3.9 V maximum limit of this V indirectly limits the maximum on time. ton The V processing circuit generates V control control voltage V and time information of zero control inductor current. The ...
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Feedback in PFC Section The output voltage of the PFC circuit (i.e., bulk voltage sensed as a feedback current I bulk FB1 pin (Pin 9) of NCP1603. The FB1 pin voltage V typically smaller than 5.0 V ...
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It is obvious that the I is not always zero. In order L(ZCD) to make it reasonably close to zero, the setting are crucial. CS1 > S(ZCD) Operating ZCD point R = ...
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The PFC section is designed to operate in either DCM or CRM. In order to keep the operation in DCM and CRM only, the Drive Output cannot turn on as long as there is some inductor current flowing through the ...
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Osc pin and a capacitor is added to remove some possible noise As a result, the current in Figure 73 may not necessarily passes through the bulk capacitor for fewer ripple current there. Out2 OSC Figure 72. Synchronization Configuration ...
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In order to prevent wrongly triggering the latch protection function generaly recommended to put a pF−order decoupling ceramic capacitor across the CS2 pin to remove possible high−frequency noise there. To set the V overvoltage protection, the circuit is ...
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PFC Toggling The variation of the duty ratio in the PWM stage between the PFC−on or PFC−off can be very large. When the NCP1603 circuit is operating at some conditions between PFC on and off boundary, the duty ratio variation ...
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