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PDF G5676 Data sheet ( Hoja de datos )
| Número de pieza | G5676 | |
| Descripción | 5A Synchronous Step-Down DC/DC | |
| Fabricantes | Global Mixed-mode Technology | |
| Logotipo |  |
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Global Mixed-mode Technology
G5676
5A Synchronous Step-Down DC/DC
Features
5A Output Current*
75mΩ Internal Power MOSFET Switch
Stable with Low ESR Output Ceramic Capacitors
or POSCAPs
Less Than 1µA Shutdown Current
1MHz Switching Frequency
Thermal Shutdown
Cycle-by-Cycle Over Current Protection
Output Adjustable from 0.6V to VIN
Available in SOP-8 (FD) Package
*The output voltage should be less then 1.8V. If the Vout set-
ting is larger then 1.8V, the output current will be less then
5A because of thermal protection.
Applications
NB
Distributed Power Systems
Pre-Regulator for Linear Regulators
General Description
The G5676 is a monolithic step-down switch mode
regulator with a built in internal power MOSFET. It
achieves a continuous output current at 1MHz switch-
ing frequency 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 ground
current is controlled less than 1µA. An Internal
soft-start minimizes the inrush supply current at initial
startup.
The G5676 requires a minimum number of readily
available standard external components. It is available
in SOP-8 (FD) package.
Ordering Information
ORDER
NUMBER
G5676F11U
Note: F1: SOP-8 (FD)
1 : Bonding Code
U : Tape & Reel
Pin Configuration
MARKING
G5676
TEMP.
RANGE
-40°C to +85°C
PACKAGE
(Green)
SOP-8 (FD)
Typical Application Circuit
NC 1
LX 2
NC 3
G5676
GND
Thermal
Pad
8 PGND
7 PVIN
6 SVIN
EN 4
5 FB
SOP-8 (FD)
Note: Recommend connecting the Thermal Pad to
the Ground for excellent power dissipation.
VIN
10Ω
10µF
0.1µF
OFF ON
G5676
PVIN
LX
SVIN
FB
EN
PGND GND
2.2µH
R1
40kΩ
R2
20kΩ
VOUT
1.8V/5A
22µFx2
Ver: 0.5
Aug 12, 2011
TEL: 886-3-5788833
http://www.gmt.com.tw
1
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| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet G5676.PDF ] | |
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