HIP6028EVAL1 INTERSIL [Intersil Corporation], HIP6028EVAL1 Datasheet
HIP6028EVAL1
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HIP6028EVAL1 Summary of contents
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... RANGE o PART NUMBER ( C) PACKAGE HIP6028CB SOIC HIP6028EVAL1 Evaluation Board 2-311 Features • Provides 3 Regulated Voltages - Microprocessor Core, Clock and GTL Power • Integrated ACPI S3-State Shutdown Support • Drives Low Cost Transistors - PWM Controller Drives N-MOSFETs - Linear Controller Compatible with Both MOSFETs and NPN Bipolar Transistors • ...
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Block Diagram - + 2-312 HIP6028 ...
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Simplified Power System Diagram +5V IN +3. OUT2 V OUT3 Typical Application +12V IN + +3. OUT2 2.5V C OUT2 Q3 V OUT3 1.5V C OUT3 2-313 HIP6028 LINEAR REGULATOR PWM CONTROLLER HIP6028 ...
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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 Figures 1, 2 and 3 (Continued) PARAMETER Slew Rate PWM CONTROLLER GATE DRIVER Upper Drive Source Upper Drive Sink Lower Drive Source Lower Drive Sink PROTECTION AND CONTROL V Over-Voltage ...
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Functional Pin Description VSEN1 (Pin 19) This pin is connected to the PWM converter’s output voltage. The PGOOD and OVP comparator circuits use this signal to report output voltage status and for over voltage protection. OCSET (Pin 20) Connect a ...
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VIN2 (Pin 12) This pin supplies power to the internal regulator. Connect this pin to a suitable 3.3V source. Additionally, this pin is used to monitor the 3.3V supply. If, following a startup cycle, the voltage drops below 2.05V (typically), ...
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PWM output disables all converters and drives the FAULT pin to VCC. LUV OVER CURRENT LATCH S Q OC1 S R 0.15V + COUNTER - POR SD1&3 OV FIGURE 7. FAULT ...
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V due to MOSFET switching. The over-current function IN will trip at a peak inductor current (I PEAK OCSET OCSET I = --------------------------------------------------- - PEAK OVER-CURRENT TRIP: V > SET (i • ...
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Application Guidelines Soft-Start Interval Initially, the soft-start function clamps the error amplifier’s output of the PWM converter. After the output voltage increases to approximately 80% of the set value, the reference input of the error amplifier is clamped to a ...
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IN +3.3V +12V VCC VCC GND VIN2 OCSET Q3 UGATE V OUT3 DRIVE3 PHASE HIP6028 LGATE VOUT2 SS PGND OUT2 C KEY OUT2 ISLAND ON POWER PLANE LAYER ISLAND ON CIRCUIT PLANE ...
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Compensation Break Frequency Equations ----------------------------------- = ------------------------------------------------------ - ------------------------------------------------------ - Figure 13 shows an asymptotic plot of the DC-DC ...
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The ripple voltage and current are approximated by the following equations: V – OUT OUT I ------------------------------- - --------------- - = V OUT F ...
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A separate heatsink may be necessary depending upon MOSFET power, package type, ambient temperature and air flow OUT ----------------------------------------------------------- ...
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HIP6028 DC-DC Converter Application Circuit Figure 16 shows an application circuit of a power supply for a microprocessor computer system. The power supply provides the microprocessor core voltage (V bus voltage (V ) and clock generator voltage (V OUT3 from ...
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HIP6028 2-326 ...