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AME5140AEVVADJZ3 датащи(PDF) 1 Page - Analog Microelectronics

номер детали AME5140AEVVADJZ3
подробное описание детали  1.6 MHz Boost Converter With 30V Internal FET Switch
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производитель  AME [Analog Microelectronics]
домашняя страница  http://www.ame.com.tw/
Logo AME - Analog Microelectronics

AME5140AEVVADJZ3 датащи(HTML) 1 Page - Analog Microelectronics

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AME, Inc.
1
AME5140
1.6 MHz Boost Converter With
30V Internal FET Switch
Rev.G.01
n Typical Application
l 30V DMOS FET Switch
l 1.6 MHz Switching Frequency
l Low R
DSON DMOS FET
l Switch Current Up to 1.8A
l Wide Input Voltage Range (2.7V-5.5V)
l Low Shutdown Current (<1
µA)
l SOT-25/TSOT-25, DFN-8(3mmx3mmx0.75mm) &
MSOP-8 Packages
l Uses Tiny Capacitors and Inductor
l Cycle-by-Cycle Current Limiting
l All AME's Lead Free Products Meet RoHS
Standards
The AME5140 switching regulator is current-mode boost
converters operating at fixed frequency of 1.6 MHz.
The use of SOT-25/TSOT-25, DFN-8(3mmx3mmx
0.75mm) & MSOP-8 packages, made possible by the
minimal power loss of the internal 1.8A switch, and use
of small inductor and capacitors result in the industry's
highest power density. The 30V internal switch makes
these solutions perfect for boosting to voltages up to 30V.
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 cur-
rent limiting and thermal shutdown. Internal compensa-
tion simplifies and reduces component count.
l White LED Current Source
l PDA's and Palm-Top Computers
l Digital Cameras
l Portable Phones and Games
l Local Boost Regulator
n General Description
n Features
n Applications
L/6.8
µH
D1
GND
AME5140
GND
IN
EN
SW
FB
EN
C1
4.7
µF
R2
13.3K
R1
43K
CF
680pF
C2
22
µF
5V
800mA
V
OUT
R3
51K
V
IN
4.2V
Figure 1. 4.2V to 5V Boost Converter
L/10
µH
D1
GND
AME5140
GND
IN
EN
SW
FB
EN
C1
4.7
µF
R2
13.3K
R1
117K
CF
220pF
C2
4.7
µF
12V
400mA
V
OUT
R3
51K
V
IN
5V
Figure 2. 5V to 12V Boost Converter
L/10
µH
D1
GND
AME5140
GND
IN
EN
SW
FB
EN
C1
4.7
µF
R2
13.3K
R1
183K
CF
160pF
C2
4.7
µF
18V
250mA
V
OUT
R3
51K
V
IN
5V
Figure 3. 5V to 18V Boost Converter


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