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SC1102

Features: • 1.265V Reference available• Synchronous operation• Over current fault monitor• On-chip power good and OVP functions• Small size with minimum external components• Soft Start• RDS(ON) Current sensingApplication• Microprocessor core supply&#...

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SeekIC No. : 004485409 Detail

SC1102: Features: • 1.265V Reference available• Synchronous operation• Over current fault monitor• On-chip power good and OVP functions• Small size with minimum external compon...

SC1102 Data Sheet

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Part Number:
SC1102
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• 1.265V Reference available
• Synchronous operation
• Over current fault monitor
• On-chip power good and OVP functions
• Small size with minimum external components
• Soft Start
• RDS(ON) Current sensing




Application

• Microprocessor core supply
• Low cost synchronous applications
• Voltage Regulator Modules (VRM)




Pinout

Connection Diagram


Specifications

Parameter Symbol Maximum Units
VCC, BSTL to GND VIN -0.3 to 14 V
PGND to GND   ± 0.5 V
PHASE to GND   -0.3 to 18 V
BSTH to PHASE   14 V
Thermal Resistance Junction to Case JC 45 °C/W
Thermal Resistance Junction to Ambient JA 115 °C/W
Operating Temperature Range TA 0 to 70 °C
Storage Temperature Range TSTG -65 to +150 °C
Lead Temperature (Soldering) 10 sec TLEAD 300 °C
ESD Rating (Human Body Model) ESD 2 kv



Description

The SC1102 is a low-cost, full featured, synchronous voltage-mode controller designed for use in single ended power supply applications where efficiency is of primary concern. Synchronous operation allows for the elimination of heat sinks in many applications. The SC1102 is ideal for implementing DC/DC converters needed to power advanced microprocessors in low cost systems, or in distributed power applications where efficiency is important. Internal level-shift, highside drive circuitry, and preset shoot-thru control, allows the use of inexpensive N-channel power switches.

SC1102 features include temperature compensated voltage reference, triangle wave oscillator and current sense comparator circuitry. Power good signaling, shutdown, and over voltage protection are also provided.

The SC1102 operates at a fixed 200kHz, providing an optimum compromise between efficiency, external component size, and cost.




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