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Número de pieza | G5682 | |
Descripción | Step-Down DC/DC | |
Fabricantes | Global Mixed-mode Technology | |
Logotipo | ||
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No Preview Available ! Global Mixed-mode Technology Inc.
Step-Down DC/DC
G5682
Features
2A Output Current
150mΩ Internal Power MOSFET Switch
Stable with Low ESR Output Ceramic Capaci-
tors
Up to 95% Efficiency
Less Than 1µA Shutdown Current
Wide Switching Frequency Range from
300kHz~1.4MHz
Thermal Shutdown
Cycle-by-Cycle Over Current Protection
Output Adjustable from 0.8V to VIN
Available in SOP-8 Package
Applications
TV
Distributed Power Systems
Pre-Regulator for Linear Regulators
General Description
The G5682 is a monolithic step-down switch mode
regulator with a built in internal power MOSFET. It
achieves 2A continuous output current over a wide
switching frequency range with excellent load and line
regulation.
Current mode operation provides fast transient re-
sponse and eases of loop stabilization.
Fault condition protection includes cycle-by-cycle cur-
rent limiting, output short circuit protection and thermal
shutdown. In shutdown mode the regulator draws less
than 1µA of supply current. Internal soft-start minimizes
the inrush supply current at initial startup.
The G5682 requires a minimum number of readily
available standard external components. It is available
in SOP-8 package.
Ordering Information
ORDER
NUMBER
G5682P11U
Note: P1: SOP-8
1 : Bonding Code
U : Tape & Reel
Pin Configuration
MARKING
G5682
TEMP.
RANGE
-40°C to +85°C
PACKAGE
(Green)
SOP-8
Typical Application Circuit
COMP 1
G5682
8 FB
GND 2
EN 3
7 FREQ
6 LX*
IN 4
5 LX
SOP-8
*Pin#6 should be considered as LX when circuit
design and PCB layout, but it is NC pin actually.
VIN
5V
CC2
optional
G5682
IN LX
10µF
OFF ON
CC
EN
COMP
GND
FB
FREQ
RC
10µH
D1 R1
R2
NC
VOUT
3.3V/2A
22µF
MLCC
VIN
5V
CC2
optional
G5682
IN LX
10µF
OFF ON
CC
EN
COMP
GND
FB
FREQ
RC
10µH
D1
R1
R2
NC
VOUT
3.3V/2A
0.1µF
220µF
Electrolytic
( )VOUT = 0.8V x
1 + R1
R2
Ver: 0.2
Dec 09, 2009
TEL: 886-3-5788833
http://www.gmt.com.tw
1
1 page |
Páginas | Total 1 Páginas | |
PDF Descargar | [ Datasheet G5682.PDF ] |
Número de pieza | Descripción | Fabricantes |
G5682 | Step-Down DC/DC | Global Mixed-mode Technology |
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