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PDF GM1117 Data sheet ( Hoja de datos )
| Número de pieza | GM1117 | |
| Descripción | LOW DROPOUT PRECISION LINEAR REGULATORS | |
| Fabricantes | Gamma Microelectronics | |
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AA
MICROELECTRONICS
Power Management
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
Description
GM1117 of positive adjustable and fixed regulators is de-
signed to provide 1.0A output with low dropout voltage per-
formance. On-chip trimming adjusts the reference voltage
to 1%. For usage on working in post regulators or micro-
processor power supplies, low voltage operation and fast
transient response are required.
Pin-to-pin compatible with the LT1086 family of regulators,
GM1117 is available in surface-mount SOT-223 and TO-
252 packages.
Features
Adjustable or Fixed Output
Output Current of 1.0A
Dropout Voltage (Typical) 1.15V @ 1.0A
Line Regulation 0.2% max.
Load Regulation 0.4% max.
Fast Transient Response
Current Limit Protection
Thermal Shutdown Protection
Application
High Efficiency Linear Regulators
Post Regulators for Switching Supplies
Microprocessor Supply
Hard Drive Controllers
Battery Chargers
Adjustable Power Supply
TYPICAL APPLICATION CIRCUITS
(Adjustable Version)
VIN> 4.75V
GM1117-Adj
3 VIN
VOUT 2
+ C1
10µF
Tant
ADJ
1
(Fixed Version)
VOUT= 3.45V
VIN> 4.75V
GM1117-3.3
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 1
1 page  
AA
MICROELECTRONICS
Power Management
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
ELECTRICAL CHARACTERISTICS
(Typicals and limits appearing in normal type apply for TJ = 25°C)
Parameter
Reference Voltage
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Minimum Load Current
Quiescent Current
Adjust Pin Current
Temp. Coefficient
Thermal Regulation
Ripple Rejection
GM1117-Adj
GM1117-1.8
GM1117-2.5
GM1117-3.3
GM1117-5.0
GM1117-Adj
GM1117-1.8
GM1117-2.5
GM1117-3.3
GM1117-5.0
GM1117-Adj
GM1117-1.8
GM1117-2.5
GM1117-3.3
GM1117-5.0
GM1117-Adj
GM1117-1.8
GM1117-2.5
GM1117-3.3
GM1117-5.0
GM1117-Adj
Symbol
VREF
VO
REGLINE
REGLOAD
VD
ICL
IO MIN
IQ
IADJ
TC
RA
Condition
IOUT=10mA, VIN= 5V
10mA IOUT 1.0A, 2.65V VIN
IOUT=10mA, VIN=3.3V
0 IOUT 1.0A, 3.3V VIN 7V
IOUT=10mA, VIN=4V
0 IOUT 1.0A, 4V VIN 7V
IOUT=10mA, VIN=4.8V
0 IOUT 1.0A, 4.8V VIN 7V
IOUT=10mA, VIN=6.5V
0 IOUT 1.0A, 6.5V VIN 7V
7V
IOUT=10mA, 2.75V VIN 7V
Min
1.238
1.225
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
1.275
1.818
1.836
2.525
2.550
3.333
3.366
5.050
5.100
0.20
Unit
V
V
V
V
V
IOUT=10mA, 3.3V VIN 7V
0.04 0.20
IOUT=10mA, 4V VIN 7V
IOUT=10mA, 4.8V VIN 7V
0.04
0.04
0.20
0.20
%
IOUT=10mA, 6.5V VIN 7V
0.04 0.20
VIN-VOUT=1.5V, 10mA IO 1.0A
0.20 0.40
VIN=3.3V, 10mA IO 1.0A
0.20 0.40
VIN=4.0V, 10mA IO 1.0A
0.20 0.40 %
VIN=4.8V, 10mA IO 1.0A
0.20 0.40
VIN=6.5V, 10mA IO 1.0A
0.20 0.40
IOUT=1.0A
1.15 1.3
V
VIN-VOUT=3V
1.1 3.1
A
VIN=5V
3 7 mA
VIN=3.3V, 10mA IO 1.0A
7 13
VIN=4.0V, 10mA IO 1.0A
VIN=4.8V, 10mA IO 1.0A
7 13
mA
7 13
VIN=6.5V, 10mA IO 1.0A
7 13
IOUT=10mA, 2.75V VIN 7V
VIN-VOUT=1.5V, IOUT=10mA
55 90 µA
0.005
%/°C
TA=25°C, 30ms pulse
VIN-VOUT=1.5V, IOUT=1.0A
0.003
60 72
%/W
dB
5
5 Page 
AA
MICROELECTRONICS
Power Management
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
TO-220 PACKAGE OUTLINE DIMENSIONS
3.60 ± 0.20
1.30 ± 0.10
1.70
1.50 DP0.20
9.90 ± 0.20
8.70
2.80 ± 0.10
3.70 ± 0.20
4.60
3°
1.46
1.00
1.27 ± 0.10
8.40
45°
3.00
3°
3-R0.2
4.50 ± 0.20
1.30
+0.1
-0.05
0.9
7.0
3°
8.0
7.0
2.54 TYP
(2.54 ± 0.20)
0.80 ± 0.10
1.52 ± 0.10
3° 3°
2 - R 0.3
0.50
+0.1
-0.05
2.40 ± 0.20
10.00 ± 0.20
Unit: mm
TO-263-2 PACKAGE OUTLINE DIMENSIONS
0.40
9.90 ± 0.20
15°
1.20
1.50 DP0.20
9.20 ± 0.20
1.4 ± 0.20
1.27 ± 0.10
15.3 ± 0.20
4.90 ± 0.20
0.90 ± 0.10
4.50 ± 0.20
1.30
+0.1
-0.05
3°
0.10 ± 0.01
3° 3° R0.30
2.00 ± 0.10
2.40 ± 0.20
0.75
R0.30
2.54 ± 0.10
0.50
+0.1
-0.05
Pad Layout
0.63
17.02
0.33
8.38
0.42
10.66
2.54 TYP
(2.54 ± 0.20)
0.40
10.0 ± 0.20
7.0
4.0
3°
R 0.3
3° 0.90
R 0.45
7.2
9.20 ± 0.20
10.00 ± 0.20
4.90 ± 0.20
Unit: mm
0.12
3.05
0.24
6.096
0.04
1.016
(
Inches
mm
)
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet GM1117.PDF ] | |
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