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Part Number: IPM6220A
Description: The IPM6220A provides a highly integrated power control and protection solution for five output voltag...
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IPM6220A
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DataSheet
General Description
IPM6220A General Description
The IPM6220A provides a highly integrated power control and protection solution for five output voltages required in highperformance notebook PC applications. The IC integrates three fixed frequency pulse-width-modulation (PWM) controllers and two linear regulators along with monitoring and protection circuitry into a single 24 lead SSOP package.
The two PWM controllers that regulate the system main 5V and 3.3V voltages are implemented with synchronousrectified buck converters. Synchronous rectification and hysteretic operation at light loads contribute to high efficiency over a wide range of input voltage and load variation.
Efficiency is further enhanced by using the lower MOSFET's rDS(ON) as the current sense element. Input voltage feedforward ramp modulation, current-mode control, and internal feed-back compensation provide fast and stable handling of input voltage load transients encountered in advanced portable computer chip sets.
The third PWM controller is a boost converter that regulates a resistor selectable output voltage of nominally 12V. Two internal linear regulators provide +5V ALWAYS and +3.3V ALWAYS low current outputs required by the notebook system controller.
IPM6220A Maximum Ratings
Input Voltage, VBATT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +27.0V
Phase, ISEN and SDWNALL Pins. . . . . . . . ..... . .GND -0.3V to +27.0V
Boot and UGATE Pins. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . +33.0V
BOOT1, 2 with Respect to PHASE1, 2 . . . . . . . . . . . . . . ... . . . . +6.5V
All Other Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.5V
Phase, ISEN and SDWNALL Pins. . . . . . . . ..... . .GND -0.3V to +27.0V
Boot and UGATE Pins. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . +33.0V
BOOT1, 2 with Respect to PHASE1, 2 . . . . . . . . . . . . . . ... . . . . +6.5V
All Other Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.5V
IPM6220A Features
• Provides Five Regulated Voltages
- +5V ALWAYS
- +3.3V ALWAYS
- +5V Main
- +3.3V Main
- +12V
• High Efficiency Over Wide Line and Load Range
- Synchronous Buck Converters on Main Outputs
- Hysteretic Operation at Light Load
• No Current-Sense Resistor Required
- Uses MOSFET's rDS(ON)
- Optional Current-Sense Resistor for More Precision
• Operates Directly From Battery 5.6 to 22V Input
• Input Undervoltage Lock-Out (UVLO)
• Excellent Dynamic Response
- Voltage Feed-Forward and Current-Mode Control
• Monitors Output Voltages
• Synchronous Converters Operate Out of Phase
• Separate Shut-Down Pins for Advanced Configuration and Power Interface (ACPI) Compatibility
• 300kHz Fixed Switching Frequency on Main Outputs
• Thermal Shut-Down Protection
• Pb-free Available
- +5V ALWAYS
- +3.3V ALWAYS
- +5V Main
- +3.3V Main
- +12V
• High Efficiency Over Wide Line and Load Range
- Synchronous Buck Converters on Main Outputs
- Hysteretic Operation at Light Load
• No Current-Sense Resistor Required
- Uses MOSFET's rDS(ON)
- Optional Current-Sense Resistor for More Precision
• Operates Directly From Battery 5.6 to 22V Input
• Input Undervoltage Lock-Out (UVLO)
• Excellent Dynamic Response
- Voltage Feed-Forward and Current-Mode Control
• Monitors Output Voltages
• Synchronous Converters Operate Out of Phase
• Separate Shut-Down Pins for Advanced Configuration and Power Interface (ACPI) Compatibility
• 300kHz Fixed Switching Frequency on Main Outputs
• Thermal Shut-Down Protection
• Pb-free Available
IPM6220A Typical Application
• Mobile PCs
• Hand-Held Portable Instruments
• Hand-Held Portable Instruments
IPM6220A Connection Diagram
IPM6220A
PDF/DataSheet Download
- Datasheet: IPM6220A
- File Size: 540082 KB
- Manufacturer: INTERSIL [Intersil Corporation]
- Click here to Download
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