LM2733XMF/NOPB 1600kHz Switching Voltage Regulators IC NRND Alternate LM2733XMF
digital voltage regulator ic
,electronic voltage regulator circuit
LM2733XMF Power Regulator IC Switching Voltage Regulators NRND, alternate is LM2733XMF/NOPB
1 Features
- 40-V DMOS FET Switch
-
1.6 MHz (“X”), 0.6 MHz (“Y”) Switching Frequency
-
Low RDS(ON) DMOS FET
-
Switch Current up to 1A
-
Wide Input Voltage Range (2.7 V – 14 V)
-
Low Shutdown Current (< 1 μA)
-
5-Lead SOT-23 Package
-
Uses Tiny Capacitors and Inductors
-
Cycle-by-Cycle Current Limiting
-
Internally Compensated
2 Applications
-
White LED Current Source
-
PDA’s and Palm-Top Computers
-
Digital Cameras
-
Portable Phones and Games
-
Local Boost Regulator
3 Description
The LM2733 switching regulators are current-mode boost converters operating fixed frequency 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-A switch, and use of small inductors and capacitors result in the industry's highest power density. The 40-V internal switch makes these solutions perfect for boosting to voltages of 16 V or greater.
These parts have a logic-level shutdown pin that can be used to reduce quiescent current and extend battery life.
Protection is provided through cycle-by-cycle current limiting and thermal shutdown. Internal compensation simplifies design and reduces component count.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
LM2733 |
SOT-23 (5) |
2.90 mm x 1.60 mm |
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