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LM2733YMF Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce LM2733YMF
Description  LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

LM2733YMF Fiches technique(HTML) 1 Page - Texas Instruments

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LM2733
³;´
SW
FB
GND
VIN
SHDN
U1
R3
51K
SHDN
GND
5 VIN
C1
2.2PF
R2
13.3K
CF
120pF
D1
MBR0530
R1/205K
L1/10PH
C2
4.7PF
20V
OUT
170mA
(TYP)
LM2733
³;´
SW
FB
GND
VIN
SHDN
U1
R3
51K
SHDN
GND
5 VIN
C1
2.2PF
R2
13.3K
CF
220pF
D1
MBR0520
R1/117K
L1/10PH
C2
4.7PF
12V
OUT
330mA
(TYP)
LM2733
www.ti.com
SNVS209E – NOVEMBER 2002 – REVISED APRIL 2013
LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23
Check for Samples: LM2733
1
FEATURES
DESCRIPTION
The LM2733 switching regulators are current-mode
2
40V DMOS FET Switch
boost converters operating fixed frequency of 1.6
1.6 MHz (“X”), 0.6 MHz (“Y”) Switching
MHz (“X” option) and 600 kHz (“Y” option).
Frequency
The use of SOT-23 package, made possible by the
Low RDS(ON) DMOS FET
minimal power loss of the internal 1A switch, and use
Switch Current up to 1A
of small inductors and capacitors result in the
industry's highest power density. The 40V internal
Wide Input Voltage Range (2.7V–14V)
switch makes these solutions perfect for boosting to
Low Shutdown Current (<1 µA)
voltages of 16V or greater.
5-Lead SOT-23 Package
These parts have a logic-level shutdown pin that can
Uses Tiny Capacitors and Inductors
be used to reduce quiescent current and extend
Cycle-by-Cycle Current Limiting
battery life.
Internally Compensated
Protection is provided through cycle-by-cycle current
limiting and thermal shutdown. Internal compensation
APPLICATIONS
simplifies design and reduces component count.
White LED Current Source
Table 1. Switch Frequency
PDA’s and Palm-Top Computers
X
Y
Digital Cameras
1.6 MHz
0.6 MHz
Portable Phones and Games
Local Boost Regulator
Typical Application Circuit
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2002–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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