HIP6521

Features: • Provides 4 Regulated Voltages- Memory Core, AGP, Clock, and Memory Controller Hub Power• ACPI Compatible• Drives Bipolar Linear Pass Transistors• Externally Resistor-Adjustable Outputs• Simple Single-Loop Control Design- Voltage-Mode PWM Control• Fas...

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HIP6521 Picture
SeekIC No. : 004362760 Detail

HIP6521: Features: • Provides 4 Regulated Voltages- Memory Core, AGP, Clock, and Memory Controller Hub Power• ACPI Compatible• Drives Bipolar Linear Pass Transistors• Externally Resis...

floor Price/Ceiling Price

Part Number:
HIP6521
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/10/30

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Product Details

Description



Features:

• Provides 4 Regulated Voltages
- Memory Core, AGP, Clock, and Memory Controller Hub Power
• ACPI Compatible
• Drives Bipolar Linear Pass Transistors
• Externally Resistor-Adjustable Outputs
• Simple Single-Loop Control Design
- Voltage-Mode PWM Control
• Fast PWM Converter Transient Response
- High-Bandwidth Error Amplifier
- Full 0% to 100% Duty Ratio
• Excellent Output Voltage Regulation
- All Outputs: ±2% Over Temperature
• Overcurrent Fault Monitors
- Switching Regulator Does Not Require Extra Current Sensing Element, Uses MOSFET's rDS(ON)
• Small Converter Size
- 300kHz Constant Frequency Operation
- Small External Component Count





Application

• Motherboard Power Regulation for Computers




Pinout

  Connection Diagram




Specifications

UGATE, BOOT. . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 15V
VCC, PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . .GND - 0.3V to +7V
DRIVE, LGATE, all other pins . . . . . . . .. GND - 0.3V to VCC + 0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TBD





Description

The HIP6521 provides the power control and protection for four output voltages in high-performance microprocessor and computer applications. The HIP6521 IC integrates a voltage-mode PWM controller and three linear controllers, as well as monitoring and protection functions into a 16 Ld SOIC package. The PWM controller is intended to regulate the microprocessor memory core voltage with a synchronous-rectified buck converter. The linear controllers are intended to regulate the computer systems AGP 1.5V bus power, the 2.5V clock power, and the 1.8V power for the North/South Bridge core voltage and/or cache memory circuits. Both the switching regulator and linear voltage references provide 2% of static regulation over line, load, and temperature ranges. All outputs are user-adjustable by means of an external resistor divider. All linear controllers employ bipolar NPNs for the pass transistors. The HIP6521 monitors all the output voltages. The PWM controllers adjustable overcurrent function monitors the output current by using the voltage drop across the upper MOSFETs rDS(ON). The linear regulator outputs are monitored via the FB pins for undervoltage events.




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