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KB3429

Features: `Up to 96% Efficiency`Low voltage start-up􀋖0.82V`Shut-down current: < 1A`Input voltage􀋖0.5V􀌚4.4V`Output voltage􀋖2.5V􀌚4.3V (Up to 5V with Schottky)`Low switch on resistance RDS(ON), Internal switch: 0.35􀂡`0.5MHz fixed frequency swit...

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SeekIC No. : 004384112 Detail

KB3429: Features: `Up to 96% Efficiency`Low voltage start-up􀋖0.82V`Shut-down current: < 1A`Input voltage􀋖0.5V􀌚4.4V`Output voltage􀋖2.5V􀌚4.3V (Up to 5V with Sch...

KB3429 Data Sheet

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Part Number:
KB3429
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: 2024/11/23

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Product Details

Description



Features:

`Up to 96% Efficiency
`Low voltage start-up􀋖0.82V
`Shut-down current: < 1A
`Input voltage􀋖0.5V􀌚4.4V
`Output voltage􀋖2.5V􀌚4.3V (Up to 5V with Schottky)
`Low switch on resistance RDS(ON), Internal switch: 0.35􀂡
`0.5MHz fixed frequency switching
`High switch on current: 1A
`Short-Circuit protection
`Low Profile (1mm) SOT-23 Package


Application

·Digital cameras and MP3
·Palmtop computers / PDAs
·Cellular phones
·Wireless handsets and DSL modems
·PC cards
·Portable media players


Pinout

Connection Diagram


Specifications

Power Dissipation...............Internally limited
VIN.........................- 0.3 V ~+ 6 V
VOUT.........................- 0.3 V ~+ 6 V
VSW........................- 0.3 V ~+ 6 V
VEN, VOUT....................- 0.3 V ~+ 6 V
Operating Temperature Range .........- 30~+ 85􀄇
Lead Temperature (Soldering 10 sec.) .......+ 300
Storage Temperature Range ...........- 65􀄇~+ 125􀄇


Description

The kB3429 is high efficiency synchronous, step-up DC/DC converters optimized to provide a high efficient solution to medium power systems. The devices work under the input voltage between 0.6V and 4.4V with a 1.5MHz fixed frequency switching. These features minimizes overall solution footprint by allowing the use of tiny, low profile inductors and ceramic capacitors.

The kB3429 is capable of supplying an output voltage between 2.5V and 4.3V, the internal synchronous switch is desired to provide high efficiency without Schottky.

The devices also featured providing up to 260mA from a single AA cell input or up to 600mA from a 2-cell AA with a 3V/3.3V output.

The kB3429 regulators are available in the industry standard SOT-23-6 power packages (or upon request).




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