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PDF G965 Data sheet ( Hoja de datos )
| Número de pieza | G965 | |
| Descripción | 1.5A Low Dropout Regulator with Enable | |
| Fabricantes | Global Mixed-mode Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de G965 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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Global Mixed-mode Technology Inc.
G965
1.5A Low Dropout Regulator with Enable
Features
Adjustable Output from 1.2V to 4.8V Using Ex-
ternal Resistors
1.5V, 1.8V and 2.5V Options by Setting ADJ Pin
Below 0.2V
Over Current and Over Temperature Protection
500mV Dropout @1.5A
Enable Pin
10µA Quiescent Current in Shutdown
SOP-8 Package
Applications
Battery Powered Systems
Motherboards
Peripheral Cards
Network Cards
Set Top Boxes
Medical Equipment
Notebook Computers
General Description
The G965 is a high performance positive voltage
regulator designed for use in applications requiring
very low dropout voltage at up to 1.5 Amps. Since it
has superior dropout characteristics compared to
regular LDOs, it can be used to supply 2.5V on moth-
erboards or 1.5V, 1.8V on peripheral cards from the
3.3V supply thus allowing the elimination of costly
heatsinks. An enable pin further reduces power dissi-
pation while shut down. The G965 provides excellent
regulation over variations in line, load and tempera-
ture.
The SOP-8 is available with 1.5V, 1.8V and 2.5V in-
ternally preset outputs that are also adjustable using
external resistors.
Ordering Information
ORDER
NUMBER
ORDER NUMBER
(Pb free)
G965-15ADJP1U
G965-15ADJP1Uf
G965-18ADJP1U
G965-18ADJP1Uf
G965-25ADJP1U
G965-25ADJP1Uf
Note: P1: SOP-8
U : Tape & Reel
e.g. 18 denotes the 1.8V output voltage.
Pin Configuration
MARKING
G965-15
G965-18
G965-25
TEMP. RANGE
-40°C ~ +85°C
-40°C ~ +85°C
-40°C ~ +85°C
PACKAGE
SOP-8
SOP-8
SOP-8
Typical Application Circuit
G965
VEN 1
8 GND
VIN 2
mVO 3
.coADJ 4
SOP-8
7 GND
6 GND
5 GND
.DataSheet4UVer: 1.5
wwwApr 01, 2005
VEN
VIN
VO
R3 IENH
R1
C1 C2
22µF 47µF
R2
G965
VEN
VIN
VO
ADJ
GND
1.2 (R1+R2)
VO =
Volts
R2
R2=12kΩ is recommended
R3 should be connected for current IENH
restriction as VEN > VIN+0.3V
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1
1 page  
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Global Mixed-mode Technology Inc.
Typical Performance Characteristics (continued)
G965
Quiescent Current vs. Temperature(G965-15)
1.7
1.65
1.6
1.55
VIN=5V
1.5
1.45
1.4
VIN=3V
1.35
1.3
-25 -15 -5
5 15 25 35 45 55 65 75 85
Temperature (°C)
Dropout Voltage vs.Temperature(G965-15)
700
600
500
400 IL=1A
300
200
100 IL=300mA
0
-25 -15 -5 5 15 25 35 45 55 65 75 85
Temperature (°C)
Quiescent Current vs. Temperature(G965-18)
2.00
1.95
1.90
1.85
VIN=5V
1.80
1.75
1.70
1.65
VIN=3V
1.60
1.55
1.50
-25 -15 -5 5 15 25 35 45 55 65 75 85
Temperature (°C)
Dropout Voltage vs. IL(G965-18)
700
600
500
T=85°C
400
T=25°C
300
200
T=-25°C
100
0
0 250 500 750 1000 1250 1500
IL (mA)
Quiescent Current vs. Temperature(G965-25)
4.00
Dropout Voltage vs. IL(G965-25)
700
3.75
3.50
m3.25
VIN=5V
.co3.00
U2.75
VIN=4V
t42.50
ee-25 -15 -5
5 15 25 35 45 55 65 75 85
Temperature (°C)
ataShVer: 1.5
www.DApr 01, 2005
600
500
400
300
200
100
0
0
T=25°C
T=85°C
T=-25°C
0.25 0.5 0.75 1
IL (A)
1.25 1.5
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5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet G965.PDF ] | |
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