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PDF GM6603 Data sheet ( Hoja de datos )
| Número de pieza | GM6603 | |
| Descripción | PRECISION LINEAR REGULATORS | |
| Fabricantes | Gamma | |
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GM6603
3.0A PRECISION LINEAR REGULATORS
Power Management
Description
The GM6603 series of positive adjustable and fixed regula-
tors are designed to provide 3.0A output with low dropout
voltage performance.
On-chip trimming adjusts the reference voltage to 2.0%.
Put them to work in post regulators or microprocessor
power supplies where low voltage operation and fast tran-
sient response are required.
Device includes over-current protection and thermal shut-
down protection as well.
Pin-to-pin compatible with the LT1085 family of regulators,
the GM6603's are available in TO-252, TO-220 and sur-
face-mount TO-263 packages.
Features
Adjustable or Fixed Output
Output Current of 3.0A
Dropout Voltage (typical) 1.3V @ 3.0A
Typical Line Regulation 0.015%
Typical Load Regulation 0.05%
Fast Transient Response
Current Limit Protection
Thermal Shutdown Protection
Application
Microprocessor Supply
Post Regulators for Switching Supplies
Telecommunication Systems
Printer Supplies
Motherboards
TYPICAL APPLICATION CIRCUITS
(Adjustable Version)
VIN> 4.75V
GM6603-Adj
3 VIN
VOUT 2
+ C1
10µF
Tant
ADJ
1
(Fixed Version)
VOUT= 3.45V
VIN> 4.75V
GM6603-3.3
3 VIN
VOUT 2
R1
133W
1.0%
R2
232W
1.0%
+ C2
10µF
Tant. Min
+ C1
10µF
Tant
GND
1
VOUT= 3.3V
+ C2
10µF
Tant. Min
VOUT=
VREF
X
(1
+
R2
R1
)
+
IADJ
X
R2
Notes:
1. C1 needed if device is far from filter capacitors
2. C2 minimum value required for stability
www.gammamicro.com
PRELIMINARY
1
1 page  
GM6603
ELECTRICAL CHARACTERISTICS
(Typicals and limits appearing in normal type apply for TJ = 25°C)
Parameter
Reference Voltage
GM6603-Adj
GM6603-1.8
Output Voltage
GM6603-2.5
GM6603-3.3
GM6603-5.0
Line Regulation
GM6603-Adj
GM6603-1.8
GM6603-2.5
GM6603-3.3
GM6603-5.0
Load Regulation
Dropout Voltage
Current Limit
Minimum Load Current
GM6603-Adj
GM6603-1.8
GM6603-2.5
GM6603-3.3
GM6603-5.0
GM6603-Adj
GM6603-1.8
Quiescent Current
GM6603-2.5
GM6603-3.3
GM6603-5.0
Adjust Pin Current
GM6603-Adj
Temperature Coefficient
Thermal Regulation
Ripple Rejection
Symbol
VREF
VO
REGLINE
REGLOAD
VD
ICL
IO MIN
IQ
IADJ
TC
RA
Condition
IOUT=10mA, VIN-VOUT=1.5V
10mA IOUT 3A, 3.3V VIN 7V
IOUT=10mA, VIN=3.3V
10mA IOUT 3A, 3.3V VIN 7V
IOUT=10mA, VIN=4V
10mA IOUT 3A, 4V VIN 7V
IOUT=10mA, VIN=4.8V
10mA IOUT 3A, 4.8V VIN 7V
IOUT=10mA, VIN=6.5V
10mA IOUT 3A, 6.5V VIN 7V
IOUT=10mA,
IOUT=10mA, 3.3V VIN 7V
IOUT=10mA, 4V VIN 7V
IOUT=10mA, 4.8V VIN 7V
IOUT=10mA, 6.5V VIN 7V
VIN-VOUT=1.5V, 10mA IO 3A
VIN=3.8V, 10mA IO 3A
VIN=4.5V, 10mA IO 3A
VIN=5.3V, 10mA IO 3A
VIN=7V, 10mA IO 3A
IOUT=3A
VIN-VOUT=3V
VIN=5V
VIN=3.3V, 10mA IO 3A
VIN=4.0V, 10mA IO 3A
VIN=4.8V, 10mA IO 3A
VIN=6.5V, 10mA IO 3A
IOUT=10mA, 2.65V VIN 7V
VIN-VOUT=1.5V, IOUT=10mA
TA=25°C, 30ms pulse
VIN-VOUT=1.5V, IOUT=3A
Min
1.238
1.230
1.782
1.764
2.475
2.450
3.267
3.234
4.950
4.900
Typ
1.250
1.250
1.800
1.800
2.500
2.500
3.300
3.300
5.000
5.000
0.04
Max
1.262
1.270
1.818
1.836
2.525
2.550
3.333
3.366
5.050
5.100
0.20
Unit
V
V
V
V
V
0.04 0.20
0.04 0.20 %
0.04 0.20
0.04 0.20
0.2 0.40
0.2 0.40
0.2 0.40 %
0.2 0.40
0.2 0.40
1.15 1.3 V
34
A
1.7 5 mA
5 10
5 10
mA
5 10
5 10
55 90 µA
0.005
%/°C
0.003
%/W
60 72
dB
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet GM6603.PDF ] | |
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