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KB2301

Features: ·􀁹􀀃400KHz Maximum Operation Frequency·􀁹􀀃2.0V to 5.0V Output Voltage With 0.1V Step·􀁹􀀃Low Start-up Voltage: 0.8V at 1mA·􀁹􀀃±2% Output Voltage Accuracy·􀁹􀀃Up to 88% Efficiency·􀁹􀀃Output...

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SeekIC No. : 004384096 Detail

KB2301: Features: ·􀁹􀀃400KHz Maximum Operation Frequency·􀁹􀀃2.0V to 5.0V Output Voltage With 0.1V Step·􀁹􀀃Low Start-up Voltage: 0.8V at 1mA·􀁹h...

KB2301 Data Sheet

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Part Number:
KB2301
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:

·􀁹􀀃400KHz Maximum Operation Frequency
·􀁹􀀃2.0V to 5.0V Output Voltage With 0.1V Step
·􀁹􀀃Low Start-up Voltage: 0.8V at 1mA
·􀁹􀀃±2% Output Voltage Accuracy
·􀁹􀀃Up to 88% Efficiency
·􀁹􀀃Output current: 300mA at 2.5V input, 3.3V output
·􀁹􀀃Low Ripple and Low Noise
·􀁹􀀃Output Current Extendable by External Switch


Application

·􀁹􀀃Power source for applications where a higher voltage than the battery voltage is required
·􀁹􀀃One to three cell battery devices
·􀁹􀀃Power source for cameras, camcorders, VCRs, PDAs, pagers and hand held communication instrument


Pinout

Connection Diagram


Specifications

Type Symbol Description Value Unit
Voltage Vmax

Vmin-max		 Maximum voltage on VOUT and VLX pins

Voltage range on EXT and EN pins		 8

-0.3-VOUT+0.3		 V

V
Current ILXmax

IEXTmax		 Maximum current on LX pin

Maximum current on EXT pin		 1000

100		 mA

mA
Power dissipation Psot-23-3

Psot-23-5

Psot-89		 Maximum Power dissipation for SOT-23-3 package

Maximum Power dissipation for SOT-23-5 package

Maximum Power dissipation for SOT-89 package		 0.25

0.25

0.5		 W

W

W
Thermal Tmin-max

Tstorage		 Operation temperature range

Storage temperature range		 -20-85

-40-165

ESD VESD ESD voltage for human body mode 2000 V



Description

The kB2301 Series are PFM step-up DC-DC converters KB2301 with very low ripple noise due to the high operation frequency. The maximum operation frequency is 400KHz.

Only three components are required to realize the conversion from the battery voltage to a selected output voltage.

A driver pin (EXT) KB2301  is provided for driving external power transistor to extend the output current capability where large current is required.

Enable pin (EN) KB2301  is also provided so that the circuit can be powered down.




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