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Micropower Step-Up DC/DC Converter with 350mA Peak Current Limit


Package | PIN: DBV | 5
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $1.95
10-24 $1.75
25-99 $1.63
100-249 $1.42
250-499 $1.31
500-749 $1.10
750-999 $0.90
1000+ $0.83


  • 350mA, 0.7Ω, Internal Switch
  • Uses Small Surface Mount Components
  • Adjustable Output Voltage up to 21V
  • 2.2V to 7V Input Range
  • Input Undervoltage Lockout
  • 0.01µA Shutdown Current
  • Small 5-Lead SOT-23 Package

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Texas Instruments  LM2703MF-ADJ/NOPB

The LM2703 is a micropower step-up DC/DC in a small 5-lead SOT-23 package. A current limited, fixed off-time control scheme conserves operating current resulting in high efficiency over a wide range of load conditions. The 22V switch allows for output voltages as high as 21V. The low 400ns off-time permits the use of tiny, low profile inductors and capacitors to minimize footprint and cost in space-conscious portable applications. The LM2703 is ideal for LCD panels requiring low current and high efficiency as well as white LED applications for cellular phone back-lighting. The LM2703 can drive up to 4 white LEDs from a single Li-Ion battery.