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0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23

Availability: 4,866


Package | PIN: SOT-23 (DBV) | 5
Temp: Q (-40 to 125)
Carrier: Cut Tape
Qty Price
1-9 $1.69
10-24 $1.52
25-99 $1.41
100-249 $1.23
250-499 $1.13
500-749 $0.95
750-999 $0.78
1000+ $0.72


  • 40-V DMOS FET switch
  • 1.6-MHz (“X”), 0.6 MHz (“Y”) Switching frequency
  • Switch current up to 1 A
  • Wide input voltage 2.7 V to 14 V
  • Low shutdown current (< 1 µA)
  • 5-Pin SOT-23 package
  • Uses tiny capacitors and inductors
  • Cycle-by-cycle current limiting
  • Internally compensated

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Texas Instruments  LM2733YMF/NOPB

The LM2733 switching regulators are current-mode boost converters operating fixedfrequency of 1.6 MHz (“X” option) and 600 kHz (“Y” option).

The use of SOT-23 package, made possible by the minimal power loss of the internal 1-Aswitch and use of small inductors and capacitors, results in the industry’s highest power density.The 40-V internal switch makes these solutions perfect for boosting to voltages of 16 V orgreater.

These parts have a logic-level shutdown pin that can be used to reduce quiescent currentand extend battery life.

Protection is provided through cycle-by-cycle current limiting and thermal shutdown.Internal compensation simplifies design and reduces component count.