NCP1395ADR2G ON Semiconductor, NCP1395ADR2G Datasheet
NCP1395ADR2G
Specifications of NCP1395ADR2G
NCP1395ADR2GOSTR
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NCP1395ADR2G Summary of contents
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NCP1395A/B High Performance Resonant Mode Controller The NCP1395A/B offers everything needed to build a reliable and rugged resonant mode power supply. Its unique architecture includes a 1.0 MHz Voltage Controller Oscillator whose control mode brings flexibility when an ORing function ...
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Figure 1. Typical Application Example http://onsemi.com 2 ...
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PIN FUNCTION DESCRIPTION Pin No. Symbol Function 1 Fmin Timing Resistor 2 Fmax Frequency Clamp 3 DT Deadtime 4 Css Soft−Start 5 FB Feedback 6 Ctimer Timer Duration 7 BO Brown−Out 8 Agnd Analog Ground 9 Pgnd Power Ground 10 ...
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Vdd Vdd Imin Imin Vfb = < Vfb_off Vfb = < Vfb_off Vref Vref Fmin IDT Imax for Vfb = for Vfb < Vfb_off Vdd Imax Vfb = 5 Vdd Vref Itimer ...
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MAXIMUM RATINGS Rating Power Supply Voltage, Pin 12 Transient Current Injected into V when Internal Zener is Activated – CC Pulse Width < Power Supply Voltage, All Pins (Except Pins 10 and 11) Thermal Resistance, Junction−to−Air, PDIP Version ...
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ELECTRICAL CHARACTERISTICS (For typical values unless otherwise noted.) CC Characteristic SUPPLY SECTION Turn−On Threshold Level, V Going Up – A Version CC Turn−On Threshold Level, V Going Up – B Version CC Minimum Operating Voltage ...
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ELECTRICAL CHARACTERISTICS (continued) (For typical values T Max T = 150° unless otherwise noted Characteristic TIMERS Timer Charge Current Timer Duration with a 1.0 mF Capacitor and a 1.0 MW Resistor Timer Recurrence in ...
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TYPICAL CHARACTERISTICS − A VERSION 13.5 13.4 13.3 13.2 13.1 13.0 −40 − TEMPERATURE (°C) Figure 3. VCCon A 50 49.5 49 48.5 48 −40 − TEMPERATURE (°C) Figure 5. Fsw min ...
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TYPICAL CHARACTERISTICS − A VERSION 100 −40 − TEMPERATURE (°C) Figure 9. Source Resistance (ROH) 250 230 210 190 170 150 130 −40 − TEMPERATURE (°C) ...
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TYPICAL CHARACTERISTICS − A VERSION 1.04 1.035 1.03 1.025 1.02 −40 − TEMPERATURE (°C) Figure 15. Brown−Out Reference (VBO) 4.2 4.15 4.1 4.05 4.0 − 100 120 140 −40 ...
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TYPICAL CHARACTERISTICS − B VERSION 11 10.8 10.6 10.4 10.2 10 −40 − TEMPERATURE (°C) Figure 18. VCCon B 50 49.5 49 48.5 48 −40 − TEMPERATURE (°C) Figure 20. Fsw min ...
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TYPICAL CHARACTERISTICS − B VERSION 100 −40 − TEMPERATURE (°C) Figure 24. Source Resistance (ROH) 250 230 210 190 170 150 130 −40 − TEMPERATURE (°C) ...
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TYPICAL CHARACTERISTICS − B VERSION 1.04 1.035 1.03 1.025 1.02 −40 − TEMPERATURE (°C) Figure 30. Brown−Out Reference (VBO) 4.2 4.15 4.1 4.05 4.0 − 100 120 140 −40 −20 ...
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The NCP1395A/B includes all necessary features to help build a rugged and safe switch−mode power supply featuring an extremely low standby power. The below bullets detail the benefits brought by implementing the NCP1395A/B controller: • Wide Frequency Range: A high−speed ...
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Finally, Two Circuit Versions, A and B: The A and B versions differ because of the following changes: 1. The startup thresholds are different, the A starts to pulse for V = 12.8 V whereas the B pulses CC ...
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The designer needs to program the maximum switching frequency and the minimum switching frequency. In LLC configurations, for circuits working above the resonant frequency, a high precision is required on the minimum frequency, hence the "3% specification. This minimum switching ...
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The selection of the three setting resistors (Fmax, Fmin and deadtime) requires the usage of the selection charts displayed below: 1100 900 700 500 300 Fmin = 50 kHz 100 20 70 120 170 220 RFmax (kW) Figure 37. Maximum ...
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Deadtime Control Deadtime control is an absolute necessity when the half−bridge configuration comes to play. The deadtime technique consists of inserting a period during which both high and low side switches are off. Of course, the deadtime amount differs depending ...
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Figure 42. Soft−Start Behavior Please note that the soft−start will be activated in the following conditions: • A startup sequence • During auto−recovery burst mode • A brown−out recovery • A temperature shutdown recovery The fast fault input undergoes a ...
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Brown−Out Protection The Brown−Out circuitry (BO) offers a way to protect the resonant converter from low DC input ...
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To the contrary, when the internal BO signal is high (A and B pulse), the IBO source is activated and creates a hysteresis. The hysteresis level actually depends on the circuit: NCP1395A features whereas the NCP1395B uses ...
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Protection Circuitry This resonant controller differs from competitors due to its protection features. The device can react to various inputs like: • Fast events input: Like an overcurrent condition, a need to shutdown (sleep mode way to force ...
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... ON etc… Pulsing the output A high first gives an immediate charge of the bootstrap capacitor when an integrated high voltage half−bridge driver is implemented such as ON Semiconductor’s NCP5181. Then, the rest of pulses follow, delivered at the highest switching value, set by the resistor on pin 2. The soft−start capacitor ensures a ...
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VCC VCC ON ON VCC VCC (min) (min 0.6V 0.6V A&B A& Timer Timer Figure 51. At power on, output A is first activated and the frequency slowly ...
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... Then, at the end of the startup sequence, an auxiliary winding is supposed to take over the controller supply ORDERING INFORMATION Device NCP1395APG NCP1395ADR2G NCP1395BPG NCP1395BDR2G †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. ...
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−T− 0.25 (0.010 PACKAGE DIMENSIONS PDIP−16 P SUFFIX CASE 648−08 ISSUE T L SEATING PLANE http://onsemi.com 26 NOTES: 1. ...
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... *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “ ...