HIP6021_05 INTERSIL [Intersil Corporation], HIP6021_05 Datasheet
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HIP6021_05
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HIP6021_05 Summary of contents
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Data Sheet Advanced PWM and Triple Linear Power Controller The HIP6021 provides the power control and protection for four output voltages in high-performance, graphics intensive microprocessor and computer applications. The IC integrates a voltage-mode PWM controller and three linear ...
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Block Diagram 2 HIP6021 ...
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Simplified Power System Diagram +5V IN +3. OUT2 Q4 V OUT3 Typical Application +12V IN + +3. OUT2 1.5V OR 3.3V C TYPEDET Q4 V OUT3 1.5V C OUT3 Q5 V ...
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Absolute Maximum Ratings Supply Voltage +15V CC ...
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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 SYNCHRONOUS PWM CONTROLLER ERROR AMPLIFIER DC Gain Gain-Bandwidth Product Slew Rate PWM CONTROLLER GATE DRIVER UGATE Source UGATE ...
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Functional Pin Descriptions VCC (Pin 28) Provide a 12V bias supply for the IC to this pin. This pin also provides the gate bias charge for all the MOSFETs controlled by the IC. The voltage at this pin is monitored ...
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Similarly, the COMP pin is the error amplifier output. These pins are used to compensate the voltage-mode control feedback loop of the synchronous PWM converter. VSEN1 (Pin 22) This pin is connected to the PWM converter’s output voltage. ...
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PGOOD 0V SOFT-START (1V/DIV) 0V OUTPUT VOLTAGES (0.5V/DIV TIME FIGURE 3. SOFT-START INTERVAL Applications Guidelines for a procedure to determine the soft-start interval. Fault Protection All four outputs are monitored and protected against extreme overload. ...
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FAULT REPORTED 10V 0V COUNT COUNT = OVERLOAD APPLIED TIME FIGURE 5. OVER-CURRENT OPERATION A resistor (R ) programs the over-current trip level for OCSET the PWM converter. As shown ...
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TABLE 1. OUT1 VOLTAGE PROGRAM (Continued) PIN NAME VID4 VID3 VID2 VID1 ...
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Layout Considerations MOSFETs switch very fast and efficiently. The speed with which the current transitions from one device to another causes voltage spikes across the interconnecting impedances and parasitic circuit elements. The voltage spikes can degrade efficiency, radiate noise into ...
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+12V C VCC VCC GND +3.3V IN OCSET1 Q3 DRIVE2 UGATE1 V OUT2 PHASE1 C OUT2 LGATE1 HIP6021 V OUT3 C OUT3 DRIVE4 DRIVE3 PGND Q4 +3.3V IN KEY ISLAND ON ...
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PWM Output Capacitors Modern microprocessors produce transient load rates above 1A/ns. High frequency capacitors initially supply the transient current and slow the load rate-of-change seen by the bulk capacitors. The bulk filter capacitor values are generally determined by the ESR ...
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MOSFET or a NPN bipolar as a pass transistor. All these transistors should be selected based upon r , current gain, saturation voltages, gate supply DS(ON) requirements, and thermal management considerations. PWM MOSFET Selection and Considerations In ...
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HIP6021 DC-DC Converter Application Circuit Figure 12 shows an application circuit of a power supply for a microprocessor computer system. The power supply provides the microprocessor core voltage (VOUT1), the AGP bus voltage (VOUT2), the GTL bus voltage (VOUT3), and ...