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N1153

Features: ·High performance and low cost solution·Synchronous operation with high efficiency·TTL-compatible 5 bit DAC, output voltage selection from 1.3V to 3.5V programmable·High current totem pole output, up to 2 A for direct driving of the external N-Channel power MOSFETs.·200 KHz fixed frequen...

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SeekIC No. : 004432533 Detail

N1153: Features: ·High performance and low cost solution·Synchronous operation with high efficiency·TTL-compatible 5 bit DAC, output voltage selection from 1.3V to 3.5V programmable·High current totem pole...

N1153 Data Sheet

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Part Number:
N1153
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:

·High performance and low cost solution
·Synchronous operation with high efficiency
·TTL-compatible 5 bit DAC, output voltage selection from 1.3V to 3.5V programmable
·High current totem pole output, up to 2 A for direct driving of the external N-Channel power MOSFETs.
·200 KHz fixed frequency internal oscillator
·Fast transient response
·Power-Good output voltage monitor
·Over-Voltage and Over-Current protection

 




Application

·Powering Pentium ® II, III or Deschutes, K6 and other advanced processor
·Multiple microprocessor supplies
·High power DC to DC controller
·Programmable power supplies


Pinout

Connection Diagram


Specifications

VCC to GND, VIN . . . . . . . . . . - 0.3V to 7V
BST to GND  . . . . . . . . . . . . .-0.3V to 15V
Thermal Resistance
Junction to Case, JC  . . . . . . . 30 °C/W
Thermal Resistance
Junction to Ambient, JA  . . . . . 90 °C/W
Operating Temperature
Range, TA . . . . . . . . . . . . . . .  0 to 70 °C
Operating Junction
Temperature Range, TJ  . . . . 0 to 125 °C
Storage Temperature
Range, TSTG  . . . . . . . . . . . -65 to 150 °C
Lead Temperature, TLEAD
Soldering, 10 Seconds)  . . . . . . .  .300 °C


Description

The N1153 is a low-cost, 5 bit TTL-compatible input, digital-to-analog (DAC) programmable, synchronous buck converter controller design-ed specifically to power the Pentium ® II as well as the next generation of P6 family or other high performance core logic in desktop person-al computer CPU applications.

Additional features of N1153 also include temperature compensated voltage reference, triangle wave oscillator, current limits comparator, frequency shift over-current protection, and an access-ible, internally compensated error amplifier, power good signal, logic compatible shutdown, and over voltage protection are also provide.

The N1153 operates at a fixed 200KHz, provid-ing an optimum compromise between efficien-cy, external component size, and cost.




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