ISL6529CB-T Intersil, ISL6529CB-T Datasheet
ISL6529CB-T
Specifications of ISL6529CB-T
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ISL6529CB-T Summary of contents
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... ISL6529ACBZ (Note SOIC (Pb-free) M14.15 ISL6529ACR 5x5 QFN ISL6529ACRZ (Note 5x5 QFN (Pb-free) ISL6529CB SOIC ISL6529CBZ (Note SOIC (Pb-free) M14.15 ISL6529CR 5x5 QFN ISL6529CRZ (Note 5x5 QFN (Pb-free) ISL6529EVAL1 Evaluation Board *Add “-T” suffix for tape and reel. NOTE: Intersil Pb-free products employ special Pb-free material sets; ...
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Pinouts ISL6529, ISL6529A (SOIC) TOP VIEW 1 LGATE PGND 2 3 GND 5VCC 4 5 DRIVE2 FB2 INTERNAL CONNECTION 2 ISL6529, ISL6529A 14 UGATE 13 12VCC COMP 9 FB ...
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Block Diagram VOLTAGE REFERENCE FB2 12VCC DRIVE2 EA2 INHIBIT SOFT-START GND 5VCC SHUTDOWN RESTART SOFT- START AND FAULT LOGIC INHIBIT SOFT-START +5VCC EA1 COMP1 OSCILLATOR UV1 UV2 FB COMP POWER-ON RESET (POR) 12VCC +5V UGATE GATE LOGIC PWM LGATE PGND ...
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Simplified Power System Diagram +V IN +12V +5V V OUT2 + Typical Application +V IN (+5V or +3.3V OUT2 2. OUT2 4 ISL6529, ISL6529A LINEAR Q3 CONTROLLER CONTROLLER ISL6529 ISL6529A + 5VCC ...
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Absolute Maximum Ratings UGATE, LGATE, DRIVE2 GND - 0.3V to 12VCC 5VCC . . . . . . . . . . . . . . ...
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Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted. Refer to Block and Simplified Power System Diagrams, and Typical Application Schematic (Continued) PARAMETER COMP Low Output, Sink Current Undervoltage Level ( REF PWM CONTROLLER GATE DRIVERS UGATE and ...
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FB2 (Pin 6), (Pin 5 QFN) Connect the output of the linear regulator to this pin through a properly sized resistor divider. The voltage at this pin is regulated to 0.8V. This pin is also monitored for undervoltage events. Pulling ...
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CAPACITOR CURRENT CAPACITOR CURRENT FIGURE 2. TOP SCOPE TRACES ARE VOLTAGE RAMP AND CAPACITOR CURRENT. LOWER TRACES ARE TIME AND VOLTAGE EXPANSION OF UPPER SCOPE TRACES. Undervoltage Protection The FB and FB2 pins are monitored during converter operation by two ...
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UGATE Q1 L OUT V OUT1 + LGATE C Q2 OUT1 FIGURE 4. OUTPUT VOLTAGE SELECTION OF THE PWM However, since the value of R1 affects the values of the rest of ...
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OSC DRIVER PWM COMP - + ∆ V OSC E/A V REF ERROR AMP DETAILED COMPENSATION COMPONENTS COMP ISL6529 0.8V FIGURE 6. VOLTAGE-MODE BUCK CONVERTER COMPENSATION DESIGN ...
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100 20 log -------- - R1 -20 MODULATOR GAIN - ESR -60 10 100 1K 10K 100K FREQUENCY (Hz) FIGURE ...
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BODE PLOT OF REGULATOR (N0 COMP OUTPUT CURRENTS 0 3A -50 55mA -100 1mA -150 -200 1K 10 100 10K FREQUENCY (Hz) FIGURE 10. LOOP RESPONSE WITH ONLY 100µF, 5mΩ ...
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Figure 13 shows the results of the complete system with output capacitor and compensation network for 45° of phase margin. Because of the large variety of capacitors, varying ESRs and PC board layouts, Table 1, ...
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The final test for a system is transient load current performance. Ringing or oscillation indicates that the compensation network must be adjusted to assure stable operation with component and environmental variations. Figures 14 and 15 are scope shots that show ...
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VCC 5VCC C BP GND +12 VCC 12VCC C BP PGND Q1 UGATE PHASE ISL6529 Q2 LGATE COMP +3.3 V DRIVE2 R5 FB2 R6 KEY ...
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During this interval the difference between the inductor current and the load current must be supplied by the output capacitor(s). Minimizing the response ...
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... FIGURE 17. POWER SUPPLY APPLICATION CIRCUIT FOR A GRAPHICS CONTROLLER 17 ISL6529, ISL6529A The power dissipated in the linear regulator is: P LINEAR where I nominal output voltage of the linear regulator. References Intersil documents are available on the web at http://www.intersil.com. [1] Technical Brief, Intersil Corporation, TB417, http://www.intersil.com/data/tb/tb417.pdf L2 1µH +12V +5V C15 C5 1µ ...
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... Dimensions D2 and E2 are for the exposed pads which provide improved electrical and thermal performance. 8. Nominal dimensions are provided to assist with PCB Land Pattern Design efforts, see Intersil Technical Brief TB389. 9. Features and dimensions A2, A3, D1, E1, P & θ are present when Anvil singulation method is used and not present for saw singulation ...
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... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...