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ZXRD1000

Features: • > 95% Efficiency• Fixed frequency (adjustable) PWM• Voltage mode to ensure excellent stability &transient response• Low quiescent current in shutdown mode,15µA• Low battery flag• Output down to 2.0V• Overload protection• Demo...

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SeekIC No. : 004552564 Detail

ZXRD1000: Features: • > 95% Efficiency• Fixed frequency (adjustable) PWM• Voltage mode to ensure excellent stability &transient response• Low quiescent current in shutdown mode,...

ZXRD1000 Data Sheet

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Part Number:
ZXRD1000
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:

• > 95% Efficiency
• Fixed frequency (adjustable) PWM
• Voltage mode to ensure excellent stability &
transient response
• Low quiescent current in shutdown mode,15µA
• Low battery flag
• Output down to 2.0V
• Overload protection
• Demonstration boards available
• Synchronous or non-synchronous operation
• Cost effective solution
• N or P channel MOSFETs
• QSOP16 package
• Fixed 3.3, 5V and adjustable outputs
• Programmable soft start


Application

• High efficiency 5 to 3.3V converters up to 4A
• Sub-notebook computers
• Embedded processor power supply
• Distributed power supply
• Portable instruments
• Local on card conversion
• GPS systems


Specifications

Input without bootstrap (P suffix)  . . . . . . . . . . . . .  .20V
Input with bootstrap(N suffix)  . . . . . . . . . . . . . . . .  .10V
Bootstrap voltage . . . . . . . . . . . . . . . . . . . . . . . . . . .20V
Shutdown pin  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .VIN
LBSET pin  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIN
RSENSE+, RSENSE -  . . . . . . . . . . . . . . . . . . . . . . . . . . .VIN
Power dissipation  . . . . . . . . . . . . . . . .610mW (Note 4)
Operating temperature  . . . . . . . . . . . . . -40 to +85°C
Storage temperature  . . . . . . . . . . . . . .-55 to +125°C


Description

The ZXRD1000 series provides complete control and protection functions for a high efficiency (> 95%) DC-DC converter solution. The choice of external MOSFETs allow the designer to size devices according to application. The ZXRD1000 series uses advanced DC-DC converter techniques to provide synchronous drive capability, using innovative circuits that allow easy and cost effective implementation of shoot through protection. The ZXRD1000 series can be used with an all N channel topology or a combination N & P channel topology.

Additional functionality includes shutdown control, a user adjustable low battery flag and simple adjustment of the fixed PWM switching frequency. The controller is available with fixed outputs of 5V or 3.3V and an adjustable (2.0 to 12V) output.




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