ISL6430CB Intersil Corporation, ISL6430CB Datasheet
ISL6430CB
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ISL6430CB Summary of contents
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... MOSFET which eliminates DS(ON) the need for a current sensing resistor. Ordering Information TEMP. o PART NUMBER RANGE ( C) PACKAGE ISL6430CB SOIC ISL6430CR QFN Add -T suffix to either option for tape and reel packaging. Pinout ISL6430 (SOIC) TOP VIEW 14 ...
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Typical Application SS RT REF FB Block Diagram OCSET REFERENCE FB COMP RT 2 ISL6430 12V VCC OCSET MONITOR AND EN PROTECTION BOOT OSC UGATE PHASE ISL6430 PVCC +12V - LGATE + + PGND - COMP GND + - OVER- ...
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Absolute Maximum Ratings Supply Voltage +15.0V CC Boot ...
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Typical Performance Curves R PULLUP T TO +12V 1000 100 R PULLDOWN 100 SWITCHING FREQUENCY (kHz) FIGURE 1. R RESISTANCE vs FREQUENCY T Functional Pin Description RT This pin provides oscillator switching frequency adjustment. ...
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Functional Description Initialization The ISL6430 automatically initializes upon receipt of power. Special sequencing of the input supplies is not necessary. The Power-On Reset (POR) function continually monitors the input supply voltages and the enable (EN) pin. The POR monitors the ...
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R from the equation above with: 1. The maximum r at the highest junction DS(ON) temperature. 2. The minimum I from the specification table. OCSET > 3. Determine I for I I ...
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Feedback Compensation Figure 7 highlights the voltage-mode control loop for a synchronous-rectified buck converter. The output voltage (Vout) is regulated to the Reference voltage level. The error amplifier (Error Amp) output ( compared with the E/A oscillator (OSC) ...
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Use only specialized low-ESR capacitors intended for switching-regulator applications for the bulk capacitors. The bulk capacitor’s ESR will determine the output ripple voltage and the initial voltage drop after a high slew-rate transient. An aluminum electrolytic capacitor's ESR value is ...
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These equations assume linear voltage-current transitions and do not adequately model power loss due the reverse- recovery of the lower MOSFETs body diode. The gate-charge losses are dissipated by the ISL6430 and don't heat the MOSFETs. However, large gate-charge increases ...
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ISL6430 DC-DC Converter Application Circuit The figure below shows an application circuit of a DC-DC Converter for a microprocessor application. Detailed information on the circuit, including a complete Bill-of- 12VCC VIN C1-3 3x 680µF RTN R7 1206 10k 6 ENABLE ...
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Quad Flat No-Lead Plastic Package (QFN) Micro Lead Frame Plastic Package (MLFP) 11 ISL6430 L16.5x5B 16 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE (COMPLIANT TO JEDEC MO-220VHHB ISSUE C) MILLIMETERS SYMBOL MIN NOMINAL A 0. ...
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... Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. 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 ...