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PDF G1085 Data sheet ( Hoja de datos )
| Número de pieza | G1085 | |
| Descripción | 3A Adjustable Low-Dropout Linear Regulator | |
| Fabricantes | Global Mixed-mode Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de G1085 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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Global Mixed-mode Technology Inc.
G1085
3A Adjustable Low-Dropout Linear Regulator
Features
Available in Adjust Version
Space Saving TO-252 Package and TO-263
Package
Internal Short Circuit Current Limiting
Internal Over Temperature Protection
Output Current 3A
Applications
Post Regulation for Switching DC/DC Con-
verter
High Efficiency Linear Regulator
Battery Charger
Battery Powered Instrumentation
Motherboard
General Description
The G1085 is a low dropout linear regulator with a
dropout of 1.2V at 3A of load current. It is avail-
able in an adjustable version, which can set the
output from 1.25V to 5V with only two external
resistors.
The G1085 provides over temperature and over
current protection circuits to prevent it from being
damaged by abnormal operating conditions.
The G1085 is available in TO-252 package and
TO- 263 packages. A minimum of 100µF tantalum
electrolytic capacitor is required at the output to
improve the transient response and stability.
Ordering Information
ORDER
NUMBER
ORDER NUMBER
(Pb free)
MARKING
TEMP.
RANGE
PACKAGE
1
G1085T43U
G1085T43Uf
G1085
-40°C to +85°C
TO-252
GND/ADJ
G1085T53U
G1085T53Uf
G1085
-40°C to +85°C
TO-263
GND/ADJ
* For other package types and pin options, please contact us at sales @gmt.com.tw
PIN OPTION
23
VOUT
VOUT
VIN
VIN
Order Number Identification
GXXXX XX X X
Packing Type
Pin Option
Package Type
Part Number
PACKAGE TYPE
T4: TO-252
T5: TO-263
PIN OPTION
12
3: GND/ADJ VOUT
3
VIN
PACKING
U & D: Tape & Reel Direction
T: Tube
Package Type
Top View
123
TO-252、TO-263
Typical Application
[Note 4]: Type of COUT
IO
VIN VIN G1085 VOUT
GND/ADJ
VOUT
C1
100µF
R1
R2
COUT
100µF
Ver: 1.2
Sep 20, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
1
1 page  
Global Mixed-mode Technology Inc.
Typical Performance Characteristics (continued)
G1085
Dropout Voltage vs. IOUT
2
T = 25°C
1.5
1
0.5
0
01234
IOUT (A)
Load Regulation
5
3 IL = 10mA~2.5A
1
-1 VIN = 5V
-3
VIN = 3V
-5
-50 -30 -10 10 30 50
Temperature (°C)
70
Output Voltage vs. Temperature
1.255
1.253
1.250
1.248
VIN = 5V
VIN = 3V
1.245
1.243
IL = 2.5AIL = 2.5A
1.240
-50 -30 -10 10 30 50
Temperature (°C)
70
G1085T43(TO-252) Max. Power
Dissipation vs. PCB Top Copper
Area TAMB = 25°C ; Still Air
4
3.5
3
2.5
2
1.5
1
0.5
0
012345
PCB Top Copper Area (in2)
Adj Pin Current vs. Temperature
100
90
80
70 VIN = 5V
60
50 VIN = 3V
40
30
-50 -30 -10 10 30 50
Temperature (°C)
70
G1085T43(TO-252) Max. Power
Dissipation vs. TAMB (still air)
( Different PCB Top Copper Area )
4
3.5
3
2.5
2
1.5
1
0.5
0
25 35 45 TAM5B5 (°C) 65 75 85
Unit : in2
A=0.1
A=0.2
A=0.3
A=0.4
A=0.5
A=1.0
A=1.5
A=2.0
A=2.5
A=3.0
A=3.5
A=4.0
A=4.5
A=5.0
Ver: 1.2
Sep 20, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet G1085.PDF ] | |
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