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SC1162

Features: • Synchronous design, enables no heatsink solution• 95% efficiency (switching section)• 5 bit DAC for output programmability• On chip power good function• Designed for Intel Pentium® II requirements• 1.5V or Adj. @ 1% for linear section• 1.30...

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SeekIC No. : 004485432 Detail

SC1162: Features: • Synchronous design, enables no heatsink solution• 95% efficiency (switching section)• 5 bit DAC for output programmability• On chip power good function• Des...

SC1162 Data Sheet

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Part Number:
SC1162
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: 2025/12/26

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Product Details

Description



Features:

• Synchronous design, enables no heatsink solution
• 95% efficiency (switching section)
• 5 bit DAC for output programmability
• On chip power good function
• Designed for Intel Pentium® II requirements
• 1.5V or Adj. @ 1% for linear section
• 1.300V-2.05V ±1.5%; 2.100V-3.500V ±2%


Application

• Pentium® ll or Deschutes microprocessor supplies
• Flexible motherboards
• 1.3V to 3.5V microprocessor supplies
• Programmable dual power supplies




Pinout

Connection Diagram


Specifications

Parameter Symbol Maximum Units
VCC to GND VIN -0.3 to +7 V
PGND to GND   ± 1 V
BST to GND   -0.3 to +15 V
Operating Temperature Range TA 0 to +70 °C
Junction Temperature Range TJ 0 to +125 °C
Storage Temperature Range TSTG -65 to +150 °C
Lead Temperature (Soldering) 10 seconds TL 300 °C
Thermal Impedance Junction to Ambient JA 80 °C/W
Thermal Impedance Junction to Case JC 25 °C/W



Description

The SC1162/3 combines a synchronous voltage mode controller with a low-dropout linear regulator providing most of the circuitry necessary to implement two DC/ DC converters for powering advanced microprocessors such as Pentium® II.

The SC1162/3 switching section features an integrated 5 bit D/A converter, pulse by pulse current limiting, integrated power good signaling, and logic compatible shutdown. The SC1162/3 switching section operates at a fixed frequency of 200kHz, providing an optimum compromise between size, efficiency and cost in the intended application areas. The integrated D/A converter provides programmability of output voltage from 2.0V to 3.5V in 100mV increments and 1.30V to 2.05V in 50mV increments with no external components.

The SC1162/3 linear section is a high performance positive voltage regulator design for either the GTL bus supply at 1.5V (SC1162) or an adjustable output(SC1163).

The output of the linear regulator can provide up to 5A or more with the appropriate external MOSFET.




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