ISL6402IV Intersil, ISL6402IV Datasheet
ISL6402IV
Specifications of ISL6402IV
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ISL6402IV Summary of contents
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... ISL6402IVZ-T (Note TSSOP Tape & Reel (Pb-free) ISL6402IVZ-TK (Note TSSOP Tape & Reel (Pb-free) NOTE: Intersil Pb-free products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations ...
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Pinouts ISL6402 (TSSOP) TOP VIEW LGATE2 1 BOOT2 2 UGATE2 3 PHASE2 4 ISEN2 5 PGOOD 6 VCC_5V 7 SD2 8 SS2 9 OCSET2 10 FB2 11 SGND 12 VIN 13 SYNC 14 2 ISL6402 28 LGATE1 27 BOOT1 26 ...
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Block Diagram SGND VCC_5V SS1 LDO & POWER-ON SS1 SS2 RESET (POR) SS2 POR +5V BOOT1 HGDR UGATE1 HI GATE LOGIC PHASE1 PWM1 VCC_5V SHUTDOWN PWM LGDR LGATE1 LO PGND SD1 FB1 - REF - OCSET1 OC COMP - ISEN1 ...
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Typical Application Schematic VOUT1 L1 +1. SD1 4 ISL6402 C4 VIN VCC_5V SS1 SS2 BOOT1 BOOT2 27 2 Q1A UGATE1 UGATE2 26 3 PHASE2 PHASE1 ...
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Absolute Maximum Ratings Supply Voltage (VCC_5V Pin -0.3V to +7V Input Voltage (VIN Pin ...
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Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application Schematic. V Typical values are at T PARAMETER SHUTDOWN1/SHUTDOWN2 HIGH Level (Converter Enabled) LOW Level (Converter Disabled) PWM CONVERTERS Output Voltage FB Pin Bias Current ...
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Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application Schematic. V Typical values are at T PARAMETER SOFT-START Soft-Start Current PROTECTION Thermal Shutdown NOTES: 3. Specifications at -40°C and 85°C are guaranteed by design, ...
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Typical Performance Curves (Oscilloscope Plots Are Taken Using the ISL6402EVAL4A Evaluation Board, VIN = 12V, Unless Otherwise Noted) 3.4 3.39 3.38 3.37 3.36 3.35 3.34 3.33 3.32 3.31 3.3 0 0.5 1 1.5 2 2.5 LOAD CURRENT (A) FIGURE 1. ...
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Typical Performance Curves (Oscilloscope Plots Are Taken Using the ISL6402EVAL4A Evaluation Board, VIN = 12V, Unless Otherwise Noted) V 200mV/DIV OUT1 AC COUPLED I 1A/DIV OUT1 FIGURE 7. LOAD TRANSIENT RESPONSE VOUT1 (3.3V) VCC_5V 1V/DIV V 1V/DIV OUT1 FIGURE 9. ...
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Pin Descriptions BOOT2, BOOT1 - These pins power the upper MOSFET drivers of each PWM converter. Connect this pin to the junction of the bootstrap capacitor and the cathode of the bootstrap diode. The anode of the bootstrap diode is ...
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For example, a single large FET with 15nC total gate charge requires 15nC X 300kHz = 4.5mA. Also, at higher input voltages with larger FETs, the power dissipation across the internal 5V will increase. Excessive dissipation across this regulator must ...
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Input Voltage Range The ISL6402 is designed to operate from input supplies ranging from 4.5V to 24V. However, the input voltage range can be effectively limited by the available maximum duty cycle (D = 93%). MAX ...
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FIGURE 16. OVERCURRENT TRIP WAVEFORMS V OUT2 I 2V/DIV OUT2 SS2 2V/DIV FIGURE 17. OVERCURRENT CONTINUOUS HICCUP MODE WAVEFORMS Because of the nature of this current sensing technique, and to accommodate a wide range of r DS(ON) value of the ...
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Due to the current loop feedback, the modulator has a single pole response with -20dB slope at a frequency determined by the load. 1 -------------------------------- - , ⋅ ⋅ 2π where R is ...
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FEEDBACK VOLTAGE (V) FIGURE 21. LINEAR CONTROLLER GAIN Base-Drive Noise Reduction The high-impedance base driver is susceptible to system noise, especially when the linear regulator is lightly loaded. Capacitively ...
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Component Selection Guidelines MOSFET Considerations The logic level MOSFETs are chosen for optimum efficiency given the potentially wide input voltage range and output power requirements. Two N-Channel MOSFETs are used in each of the synchronous-rectified buck converters for the PWM1 ...
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The recommended output capacitor value for the ISL6402 is between 150µF to 680µF, to meet stability criteria with external compensation. Use of aluminum electrolytic, POSCAP, or tantalum type capacitors is recommended. Use of low ESR ceramic capacitors is possible but ...
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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 Features and dimensions A2, A3, D1, E1, P & θ are present when Anvil singulation method is used and not present for saw L 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 ...