ISL6431CB Intersil, ISL6431CB Datasheet
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ISL6431CB
Specifications of ISL6431CB
Related parts for ISL6431CB
ISL6431CB Summary of contents
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... MOSFET to inhibit PWM DS(ON) operation appropriately. This approach simplifies the implementation and improves efficiency by eliminating the need for a current sense resistor. Ordering Information TEMP. RANGE o PART NUMBER ( C) PACKAGE ISL6431CB SOIC ISL6431IB - SOIC ISL6431EVAL1 Evaluation Board 1 June 2001 Features • Operates from +5V Input • ...
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Block Diagram SAMPLE + 0. COMP/OCSET 20 A Typical Application COMP/OCSET ISL6431 + - AND OC HOLD COMPARATOR PWM ERROR COMPARATOR AMP + - + ...
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... Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . 150 Maximum Storage Temperature Range . . . . . . . . . . -65 Maximum Lead Temperature (Soldering 10s 300 (SOIC - Lead Tips Only 125 C TEST CONDITIONS ISL6431CB; UGATE and LGATE Open ISL6431IB; UGATE and LGATE Open ISL6431CB ISL6431IB ISL6431CB ISL6431IB ISL6431CB; VCC = 5V ISL6431IB; VCC = 5V ISL6431CB ISL6431IB ISL6431CB ISL6431IB ISL6431CB ...
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... OCSET MOSFET ( internal 20 A current source CC OCSET 4 ISL6431 TEST CONDITIONS ISL6431CB ISL6431IB ISL6431CB ISL6431IB ISL6431CB ISL6431IB (I ), and the upper MOSFET on-resistance (r OCSET set the converter overcurrent (OC) trip point according to the following equation: I OCSET ------------------------------------------------- I = PEAK Internal circuitry of the ISL6431 will not recognize a voltage ...
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OCP sampling and hold operation, the POR function initiates the Soft Start operation. Over Current Protection The overcurrent function protects the converter from a shorted output by using the upper MOSFET’s on-resistance monitor the current. ...
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V IN ISL6431 UGATE Q 1 PHASE Q 2 LGATE RETURN FIGURE 3. PRINTED CIRCUIT BOARD POWER AND GROUND PLANES OR ISLANDS Figure 3 shows the critical power components of the converter. To minimize the voltage overshoot, the interconnecting wires ...
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Check Gain against Error Amplifier’s Open-Loop Gain. 7. Estimate Phase Margin - Repeat if Necessary. Compensation Break Frequency Equations 1 F ----------------------------------- - F -------------------------------------------------------- - = = ...
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The response time to a transient is different for the application of load and the removal of load. The following equations give the approximate response time interval for application and removal of a transient load TRAN t ...
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ISL6431 DC-DC Converter Application Circuit Figure 8 shows an application circuit of a DC-DC Converter. Detailed information on the circuit, including a complete Bill- of-Materials and circuit board description is available. +5V COMP/OCSET FB 9 ISL6431 + C IN VCC ...
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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. How- ever, 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. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries ...