IRS2548DSPBF International Rectifier, IRS2548DSPBF Datasheet
IRS2548DSPBF
Specifications of IRS2548DSPBF
Related parts for IRS2548DSPBF
IRS2548DSPBF Summary of contents
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... Power Supplies Typical Connection Diagram www.irf.com SMPS/LED DRIVER PFC + HALF-BRIDGE CONTROL IC Product Summary Topology V OFFSET V OUT I & I (typical & t (typical) ON OFF Deadtime (typical) Package April 18, 2011 IRS2548D Half Bridge 600V VCC 500mA/500mA 120nS/50nS 1.6uS 14-Lead SOIC © 2011 International Rectifier ...
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... Recommended Operating Conditions Electrical Characteristics Functional Block Diagram State Diagram Input/Output Pin Equivalent Circuit Diagram Lead Definitions Lead Assignments Application Information and Additional Details Package Details Tape and Reel Details Part Marking Information Ordering Information www.irf.com © 2011 International Rectifier 2 IRS2548D Page ...
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... The IRS2548D also includes PFC over-voltage and over-current protection, half bridge over current protection and a logic level enable input that can be used for PWM dimming in LED drivers or general burst mode operation. www.irf.com © 2011 International Rectifier 3 IRS2548D ...
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... Human Body Model IC Latch-Up Test RoHS Compliant † Qualification standards can be found at International Rectifier’s web site †† Higher qualification ratings may be available should the user have such requirements. Please contact your International Rectifier sales representative for further information. ††† Higher MSL ratings may be available for the specific package types listed here. Please contact your International Rectifier sales representative for further information ...
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... CLAMP www.irf.com Definition and COM, with a nominal breakdown voltage CC 5 IRS2548D Min. Max. Units -0.3 625 V B – 0 0 0.3 -0 0.3 -500 500 -0 0.3 -0.3 VZX + 0.3 CLAMP - -50 50 V/ns --- 1.0 --- 120 ºC/W -55 150 -55 150 --- 300 © 2011 International Rectifier ºC ...
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... V CLAMP V CCUV+ †† 300 -25 125 . CLAMP Max Units Test Conditions V CC rising from 13 falling from 11.5 14V 2.0 3.0 --- µ --- MODE=FAULT MODE = RUN VBUS=4V 5.5 --- mA ENN=1nF PFC off time = 5us 16 10mA © 2011 International Rectifier Units V mA KOhm ºC ...
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... V --- 300 --- mV --- 6.7 --- V --- 300 --- ns --- 400 --- us 1.1 1.2 1.3 © 2011 International Rectifier 7 IRS2548D MODE=RUN V BS rising from falling from 14V 600V MODE = RUN V VBUS = 3.5V VCOMP=4.0V MODE = RUN V VBUS = 4.5V VCOMP=4.0V VBUS=3.5V ICOMP=ICOMP_ SOURCE - 5uA VBUS=5.0V ICOMP=ICOMP_ SINK + 5uA VBUS=4.0V V COMP = 4 ...
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... V --- 0 --- 1.15 1.25 1. --- 2.0 --- V --- 1.5 --- --- 0V --- V V --- 0 --- --- 0 100 mV --- 0 100 --- 120 --- nsec --- 50 --- --- 180 --- mA --- 260 --- --- 13.7 --- --- --- © 2011 International Rectifier 8 IRS2548D MODE = RUN VCC = 14.0V MODE = FAULT or UVLO MODE = RUN MODE = FAULT BIAS - CBS=0.1uF VB=10V ...
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... Functional Block Diagram www.irf.com Values in block diagram are typical values 9 IRS2548D © 2011 International Rectifier ...
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... State Diagram Please refer to application diagram on page 1. www.irf.com All values are typical. 10 IRS2548D © 2011 International Rectifier ...
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... Input/Output Pin Equivalent Circuit Diagrams www.irf.com © 2011 International Rectifier 11 IRS2548D ...
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... IC Power & Signal Ground VCC Logic & Low-Side Gate Driver Supply VB High-Side Gate Driver Floating Supply VS High Voltage Floating Return HO High-Side Gate Driver Output Lead Assignments www.irf.com Description VBUS 2 13 FMIN VS COMP VCC COM 10 5 PFC ENN IRS2548D © 2011 International Rectifier ...
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... C VCC VCC1,2 TIME CONSTANT t Figure 2: VCC supply voltage the SNUB ) to VCC. After several CP2 Capacitor C can be used in non-dimming is required for noise filtering and must and R are recommended for limiting 2 ) provide the floating supply voltage for © 2011 International Rectifier VCC2 ...
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... PFC gate drive being held low during the periods where the LED load is not being driven. This minimizes ripple generated on the DC bus during PWM dimming. for 65 Fault Mode 14 IRS2548D © 2011 International Rectifier ...
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... PFC inductor. The PFC output provides the gate driver output for the external MOSFET, MPFC. The OC pin senses the current flowing through MPFC and performs cycle-by-cycle over- current protection. © 2011 International Rectifier 15 IRS2548D inductor current t ...
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... This causes the peak LPFC current and therefore the smoothed line input current to increase slightly near the zero- crossings of the line input voltage to compensate for occurs cross over distortion which reduces the THD and higher harmonics. 16 IRS2548D . . . . . . . . . . . . © 2011 International Rectifier ...
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... Figure 13: Graph of frequency against RFMIN Step 2: Program Maximum Current The maximum current is programmed with the external resistor RCS and an internal threshold of 1.25V (VCSTH+). This threshold determines the over-current limit of the system MAX MAX 17 IRS2548D Equivalent RFMIN (Kohms) [Amps Peak] CS [Ohms] © 2011 International Rectifier 50 ...
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... Proper core sizing and air-gapping should be considered in the inductor design. Step 3: Calculate PFC over-current resistor ROC value where VCSTH+ = 1.25V www.irf.com 2 η ) ⋅ VAC ⋅ MIN MIN P ⋅ VBUS OUT i over the specified system operating temperature PK 18 IRS2548D [Henries] [Amps Peak] [Ohms] © 2011 International Rectifier ...
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... Package Details www.irf.com © 2011 International Rectifier 19 IRS2548D ...
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... Tape and Reel Details www.irf.com © 2011 International Rectifier 20 IRS2548D ...
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... Part Marking Information www.irf.com © 2011 International Rectifier 21 IRS2548D ...
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... For technical support, please contact IR’s Technical Assistance Center www.irf.com Standard Pack Form Tube/Bulk SOIC14N Tape and Reel http://www.irf.com/technical-info/ WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245 Tel: (310) 252-7105 22 IRS2548D Complete Part Number Quantity 55 IRS2548DSPBF 2500 IRS2548DSTRPBF © 2011 International Rectifier ...