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PDF G5752 Data sheet ( Hoja de datos )
| Número de pieza | G5752 | |
| Descripción | 2A Step-down DC/DC | |
| Fabricantes | Global Mixed-mode Technology | |
| Logotipo |  |
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Global Mixed-mode Technology
G5752/G5752A
2A Step-down DC/DC
Features
2A Output Current
0.18Ω Internal Power MOSFET Switch
Stable with Low ESR Output Ceramic Capaci-
tors
Up to 95% Efficiency
30µA Shutdown Mode
Fixed 380kHz Frequency
Thermal Shutdown
Cycle-by-Cycle Over Current Protection
Wide 4.5V to 24V Operating Input Range
Output Adjustable from 1.22V to 21.6V(G5752)
Output Adjustable from 0.92V to 21.6V(G5752A)
Available in SOP-8 & MSOP-10 (FD) Package
Applications
PC Monitors
DSL Modems
Distributed Power Systems
Pre-Regulator for Linear Regulators
General Description
The G5752/G5752A is a monolithic step-down switch
mode regulator with a built in internal power MOSFET. It
achieves 2A continuous output current over a wide input
supply range with excellent load and line regulation.
Current mode operation provides fast transient re-
sponse and eases 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
30µA of supply current. Programmable soft-start over-
writes the internal soft-start for various requirement of
output power up ramp and minimizes the inrush supply
current at initial startup.
The G5752/G5752A requires a minimum number of
readily available standard external components. It is
available in a SOP-8 & MSOP-10 (FD) package.
Ordering Information
ORDER
NUMBER
MARKING
G5752P11U
G5752
G5752AP11U
G5752A
G5752F61U
G5752
G5752AF61U
G5752A
Note: P1: SOP-8 F6: MSOP-10 (FD)
1: Bonding Code
U : Tape & Reel
Pin Configuration
G5752/G5752A
BS 1
8 SS
IN 2
7 EN
LX 3
6 COMP
GND 4
5 FB
SOP-8
G5752/G5752A
NC 1
BS 2
NC 3
IN 4
LX 5
Thermal
Pad
10 SS
9 EN
8 COMP
7 FB
6 GND
MSOP-10 (FD)
Note: Recommend connecting the Thermal Pad to
the Ground for excellent power dissipation.
Ver: 0.91
Jan 09, 2012
TEMP.
RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PACKAGE
(Green)
SOP-8
SOP-8
MSOP-10 (FD)
MSOP-10 (FD)
Typical Application Circuit
SOP-8 / MSOP-10 (FD) Pin No.
INPUT
4.5V to 24V
OFF ON
C1
10µF
35V
2/4
7/9 IN
EN
C5
10nF
1/2
BS
LX
3/5
8/10 SS
G5752
FB 5/7
C4
10nF
GND
4/6
COMP
6/8
C6
OPEN
C3
3.9nF
R3
10kΩ
L1
15µH
D1 R1
10.5kΩ
1%
R2
10kΩ
1%
OUTPUT
2.5V/2A
C2
22µF/35V
CERAMIC
INPUT
4.5V to 24V
OFF ON
C5
10nF
C1
10µF
35V
2/4
7/9 IN
EN
1/2
BS
LX
3/5
8/10 SS
G5752A
FB 5/7
C4
10nF
GND
4/6
COMP
6/8
C6
OPEN
C3
3.9nF
R3
10kΩ
L1
15µH
D1
R1
26.1kΩ
1%
R2
10kΩ
1%
OUTPUT
3.3V/2A
C2
22µF/35V
CERAMIC
Note: Recommend choosing the small Vf of Diode to avoid LX to GND smaller then -0.7V.
TEL: 886-3-5788833
http://www.gmt.com.tw
1
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| PDF Descargar | [ Datasheet G5752.PDF ] | |
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