GM11171.8TC3R [GAMMA]
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS; 1.0A低压差精密线性稳压器
| 型号： | GM11171.8TC3R |
| 厂家： | 
GAMMA MICROELECTRONICS INC. |
| 描述： | 1.0A LOW DROPOUT PRECISION LINEAR REGULATORS |
| 文件： | 总13页 (文件大小：228K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Power Management
A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
Features
Description
Adjustable or Fixed Output
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.
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
Pin-to-pin compatible with the LT1086 family of regulators,
GM1117 is available in surface-mount SOT-223 and TO-
252 packages.
Current Limit Protection
Thermal Shutdown Protection
Application
Hard Drive Controllers
Battery Chargers
High Efficiency Linear Regulators
Post Regulators for Switching Supplies
Microprocessor Supply
Adjustable Power Supply
TYPICAL APPLICATION CIRCUITS
(Adjustable Version)
(Fixed Version)
GM1117-Adj
GM1117-3.3
V
IN
> 4.75V
V > 4.75V
IN
V
OUT
= 3.45V
V
= 3.3V
OUT
3
3
2
2
V
V
V
V
OUT
OUT
IN
IN
R1
GND
ADJ
1
133W
1.0%
1
+
+
+
+
C1
C2
C1
C2
10µF
Tant. Min
10µF
Tant
10µF
10µF
Tant
R2
Tant. Min
232W
1.0%
R2
R1
V
OUT
= V
REF
X (1 +
) + I
X R2
ADJ
Notes:
1. C1 neededif device isfar from filter capacitors
2. C2 minimumvalue required forstability
www.gammamicro.com
1
Power Management
A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
MARKING INFORMATION & PIN CONFIGURATIONS (Top View)
2
TO-252 (DPAK)
TO-220
SOT-223
TO-263-2 (D PAK)
GM1117
VVAYWW
GM1117
GM1117
VVAYWW
GM1117
VVAYWW
VVAYWW
V
IN
V
OUT
V
IN
OUT
ADJ/ GND*
V
ADJ/GND*
V
IN
OUT
ADJ/ GND*
V
V
IN
OUT
ADJ/ GND*
V
On fixed versions Pin 1 = GND,
V V/VVV = Output Voltage (50 = 5.0V, 285= 2.85V ,A =Adj )
on adjustable versions Pin 1 = ADJ
A
= Assembly Location
= Year
Tab = V
OUT
Y
W W
= Weekly
ORDERING INFORMATION
Ordering Number
Output Voltage
Package
Shipping
GM1117-AST3T
GM1117-AST3R
GM1117-ATC3T
GM1117-ATC3R
GM1117-ATB3T
GM1117-ATA3T
GM1117-ATA3R
GM1117-1.5ST3T
GM1117-1.5ST3R
GM1117-1.5TC3T
GM1117-1.5TC3R
GM1117-1.5TB3T
GM1117-1.5TA3T
GM1117-1.5TA3R
GM1117-1.8ST3T
GM1117-1.8ST3R
GM1117-1.8TC3T
GM1117-1.8TC3R
GM1117-1.8TB3T
GM1117-1.8TA3T
GM1117-1.8TA3R
SOT-223
SOT-223
TO-252
TO-252
TO-220
TO-263
TO-263
SOT-223
SOT-223
TO-252
TO-252
TO-220
TO-263
TO-263
SOT-223
SOT-223
TO-252
TO-252
TO-220
TO-263
TO-263
80 Units /Tube
Adj
Adj
Adj
Adj
Adj
Adj
Adj
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.8
1.8
1.8
1.8
1.8
1.8
1.8
2,500 Units / Tape & Reel
80 Units / Tube
2,500 Units / Tape & Reel
50 Units / Tube
50 Units / Tube
800 Units / Tape & Reel
80 Units /Tube
2,500 Units / Tape & Reel
80 Units / Tube
2,500 Units / Tape & Reel
50 Units / Tube
50 Units / Tube
800 Units / Tape & Reel
80 Units /Tube
2,500 Units / Tape & Reel
80 Units / Tube
2,500 Units / Tape & Reel
50 Units / Tube
50 Units / Tube
800 Units / Tape & Reel
* For detail Ordering Number identification, please see last page.
2
Power Management
A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
ORDERING INFORMATION (Continued)
Ordering Number
Output Voltage
Package
Shipping
GM1117-2.5ST3T
GM1117-2.5ST3R
GM1117-2.5TC3T
GM1117-2.5TC3R
GM1117-2.5TB3T
GM1117-2.5TA3T
GM1117-2.5TA3R
GM1117-2.85ST3T
GM1117-2.85ST3R
GM1117-2.85TC3T
GM1117-2.85TC3R
GM1117-2.85TB3T
GM1117-2.85TA3T
GM1117-2.85TA3R
GM1117-3.0ST3T
GM1117-3.0ST3R
GM1117-3.0TC3T
GM1117-3.0TC3R
GM1117-3.0TB3T
GM1117-3.0TA3T
GM1117-3.0TA3R
GM1117-3.3ST3T
GM1117-3.3ST3R
GM1117-3.3TC3T
GM1117-3.3TC3R
GM1117-3.3TB3T
GM1117-3.3TA3T
GM1117-3.3TA3R
GM1117-5.0ST3T
GM1117-5.0ST3R
GM1117-5.0TC3T
GM1117-5.0TC3R
GM1117-5.0TB3T
GM1117-5.0TA3T
GM1117-5.0TA3R
SOT-223
SOT-223
TO-252
TO-252
TO-220
TO-263
TO-263
SOT-223
SOT-223
TO-252
TO-252
TO-220
TO-263
TO-263
SOT-223
SOT-223
TO-252
TO-252
TO-220
TO-263
TO-263
SOT-223
SOT-223
TO-252
TO-252
TO-220
TO-263
TO-263
SOT-223
SOT-223
TO-252
TO-252
TO-220
TO-263
TO-263
80 Units /Tube
2.5
2.5
2,500 Units / Tape & Reel
80 Units / Tube
2.5
2,500 Units / Tape & Reel
2.5
50 Units / Tube
50 Units / Tube
2.5
2.5
800 Units / Tape & Reel
2.5
80 Units /Tube
2.85
2.85
2.85
2.85
2.85
2.85
2.85
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
5.0
5.0
5.0
5.0
5.0
5.0
5.0
2,500 Units / Tape & Reel
80 Units / Tube
2,500 Units / Tape & Reel
50 Units / Tube
50 Units / Tube
800 Units / Tape & Reel
80 Units /Tube
2,500 Units / Tape & Reel
80 Units / Tube
2,500 Units / Tape & Reel
50 Units / Tube
50 Units / Tube
800 Units / Tape & Reel
80 Units /Tube
2,500 Units / Tape & Reel
80 Units / Tube
2,500 Units / Tape & Reel
50 Units / Tube
50 Units / Tube
800 Units / Tape & Reel
80 Units /Tube
2,500 Units / Tape & Reel
80 Units / Tube
2,500 Units / Tape & Reel
50 Units / Tube
50 Units / Tube
800 Units / Tape & Reel
* For detail Ordering Number identification, please see last page.
3
Power Management
A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
VALUE
Internally limited
7.0
UNIT
Power Dissipation
W
P
D
V
Input Voltage
V
IN
T
LEAD
Lead Temperature(Soldering, 10sec)
300
°C
Operating Junction Temperature Range
Control Section
T
J
0 to 125
0 to 150
°C
Power Transistor
T
STG
Storage Temperature Range
-65 to + 150
°C
Thermal Characteristics
SOT-223
Thermal Resistance, Junction-to-Case
DPAK
15
R
°C/ W
qJC
6.0
Thermal Resistance, Junction-to-Case
2
D PAK
Thermal Resistance, Junction-to-Case
3.0
BLOCK DIAGRAM
(Fixed Version)
V
OUT
V
IN
Output
Current
Limit
Thermal
Error
Amplifier
Shutdown
-
+
Bandgap
Reference
GND
(Adjustable Version)
V
OUT
V
IN
Output
Current
Limit
Thermal
Error
Amplifier
Shutdown
-
+
Bandgap
ADJ
Reference
4
Power Management
A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
ELECTRICAL CHARACTERISTICS
(Typicals and limits appearing in normal type apply for T = 25°C)
J
Symbol
Typ
Parameter
Condition
Min
Max Unit
I
=10mA, V = 5V
IN
1.238 1.250 1.262
1.225 1.250 1.275
1.782 1.800 1.818
1.764 1.800 1.836
2.475 2.500 2.525
2.450 2.500 2.550
3.267 3.300 3.333
3.234 3.300 3.366
4.950 5.000 5.050
4.900 5.000 5.100
OUT
V
Reference Voltage
GM1117-Adj
GM1117-1.8
GM1117-2.5
GM1117-3.3
GM1117-5.0
V
V
V
V
V
REF
10mA
I
1.0A, 2.65V
V
IN
7V
OUT
I
=10mA, V =3.3V
IN
OUT
0
I
1.0A, 3.3V
V
IN
7V
OUT
I
=10mA, V =4V
IN
OUT
0
I
1.0A, 4V
V
7V
OUT
IN
V
Output Voltage
Line Regulation
Load Regulation
O
I
=10mA, V =4.8V
IN
OUT
0
I
1.0A, 4.8V
V
IN
7V
OUT
I
=10mA, V =6.5V
IN
OUT
0
I
1.0A, 6.5V
V
IN
7V
7V
OUT
I
=10mA, 2.75V
V
0.04
0.04
0.04
0.04
0.04
0.20
0.20
0.20
0.20
0.20
1.15
3.1
0.20
0.20
0.20
0.20
0.20
0.40
0.40
0.40
0.40
0.40
1.3
OUT
IN
GM1117-Adj
GM1117-1.8
GM1117-2.5
GM1117-3.3
GM1117-5.0
I
=10mA, 3.3V
V
7V
OUT
IN
REG
%
I
I
=10mA, 4V
V
7V
7V
LINE
OUT
IN
=10mA, 4.8V
V
OUT
IN
IN
I
=10mA, 6.5V
V
7V
OUT
V
V
V
V
V
I
-V
IN OUT
=1.5V, 10mA
I
1.0A
GM1117-Adj
GM1117-1.8
GM1117-2.5
GM1117-3.3
GM1117-5.0
O
=3.3V, 10mA
=4.0V, 10mA
=4.8V, 10mA
=6.5V, 10mA
=1.0A
I
I
I
I
1.0A
1.0A
1.0A
1.0A
IN
IN
IN
IN
O
O
O
O
REG
%
LOAD
V
Dropout Voltage
Current Limit
V
A
D
OUT
I
V -V
IN OUT
=3V
1.1
CL
I
V
IN
=5V
Minimum Load Current
GM1117-Adj
3
7
mA
O MIN
V
=3.3V, 10mA
=4.0V, 10mA
=4.8V, 10mA
=6.5V, 10mA
I
I
I
I
1.0A
1.0A
1.0A
1.0A
7
13
13
13
13
90
IN
O
O
O
O
GM1117-1.8
GM1117-2.5
GM1117-3.3
GM1117-5.0
GM1117-Adj
V
V
V
I
7
IN
IN
IN
I
Q
Quiescent Current
mA
7
7
I
=10mA, 2.75V
V
IN
7V
Adjust Pin Current
Temp. Coefficient
Thermal Regulation
Ripple Rejection
55
µA
%/°C
%/W
dB
ADJ
OUT
V
-V
IN OUT
=1.5V, I
=10mA
0.005
0.003
72
OUT
T
C
T =25°C, 30ms pulse
A
R
A
V -V
IN OUT
=1.5V, I
=1.0A
60
OUT
5
Power Management
A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
GM1117
APPLICATION INFORMATION
V
V
V
V
IN
OUT
OUT
IN
GM1117 linear regulators provide fixed and adjustable
output voltages at currents up to 1.0A. These regula-
tors are protected against overcurrent conditions and in-
clude thermal shutdown protection. The GM1117's
have a composite PNP-NPN output transistor and re-
quire an output capacitor for stability. A detailed proce-
dure for selecting this capacitor follows.
V
Adj
C
C
REF
R1
1
2
I
Adj
R2
C
Adj
Figure 1. Resistor Divider Scheme
Stability Considerations
Adjustable Operation
The output compensation capacitor helps to deter-
mine three main characteristics of a linear regula-
tor's performance: start-up delay, load transient re-
sponse, and loop stability. The capacitor value and
type is based on cost, availability, size and tempera-
ture constraints. A tantalum or aluminum electrolytic
capacitor is preferred, as a film or ceramic capacitor
with almost zero ESR can cause instability. An alu-
minum electrolytic capacitor is the least expensive
type, but when the circuit operates at low tempera-
tures, both the value and ESR of the capacitor will
vary widely. For optimum performance over the full
operating temperature range, a tantalum capacitor is
best. A 22µF tantalum capacitor will work fine in
most applications, but with high current regulators
such as the GM1117 higher capacitance values will
improve the transient response and stability. Most ap-
plications for the GM1117's involve large changes in
load current, so the output capacitor must supply in-
stantaneous load current. The ESR of the output ca-
pacitor causes an immediate drop in output voltage
The GM1117 has an output voltage range of 1.25 V to
5.5 V. An external resistor divider sets the output volt-
age as shown in Figure 1. The regulator maintains a
fixed 1.25V (typical) reference between the output pin
and the adjust pin.
A resistor divider network R1 and R2 causes a
fixed current to flow to ground. This current
creates a voltage across R2 that adds to the 1.25 V
across R1 and sets the overall output voltage. The
adjust pin current (typically 50 µA) also flows
through R2 and adds a small error that should be
taken into account if precise adjustment of V
is
OUT
necessary.
The output voltage is set according to the formula:
R1 + R2
V
= V
X (
) + I
X R2
OUT
REF
Adj
R1
The term IAdj × R2 represents the error added by the
adjust pin current.
R1 is chosen so that the minimum load current is at
least 2.0 mA. R1 and R2 should be the same type,
e.g. metal film for best tracking over temperature.
While not required, a bypass capacitor from the
adjust pin to ground will improve ripple rejection
given by:
DV = DI x ESR
In microprocessor applications an output capacitor
network of several tantalum and ceramic capacitors
in parallel is commonly used. This reduces overall
ESR and minimizes the instantaneous output volt-
age drop under transient load conditions. The output
capacitor network should be placed as close to the
load as possible for the best results.
and transient response.
A 0.1 µF tantalum
capacitor is recommended for “first cut” design.
Type and value may be varied to obtain optimum
performance vs. price.
Used with large output capacitance values and the
input voltage is instantaneously shorted to ground,
damage can occur. In this case, a diode connected
as shown above in Figure 1.
6
Power Management
A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
Protection Diodes
Output Voltage Sensing
When large external capacitors are used with most
linear regulator, it is wise to add protection diodes. If
the input voltage of the regulator is shorted, the out-
put capacitor will discharge into the output of the reg-
ulator. The discharge current depends on the value
The GM1117 are three terminal regulators. For which,
they cannot provide true remote load sensing. Load
regulation is limited by the resistance of the conductors
connecting the regulator to the load. For best results
the GM1117 should be connected are as shown in
of capacitor, output voltage, and rate at which V
IN
Figure 3.
Conductor
Parasitic
drops.
R
V
V
V
C
IN
IN
(a),(b)
OUT
Resistance
Figure 2
Protection Diode Scheme for
Large Output Capacitors
GM1117-3.3
R
LOAD
GND
(a) Fixed Version
(a) Fixed Version
IN4002
Conductor
Parasitic
VIN
VOUT
VIN
VOUT
V
R
V
V
IN
C
OUT
IN
Resistance
GM1117-3.3
GM1117-Adj
GND
C2
C1
R1
A
DJ
R
LOAD
R2
(b) Adjustable Version
(b) Adjustable Version
(a),(b)
Figure 3
Conductor Parasitic Resistance Effects are
Minimized by this Grounding Scheme For Fixed
and Adjustable Output Regulators
IN4002
VIN
VOUT
VIN
GM1117-Adj
ADJ
VOUT
Calculating Power Dissipation and Heat
Sink Requirements
C2
R1
C1
CADJ
R2
The GM1117 precision linear regulators include thermal
shutdown and current limit circuitry to protect the de-
vices. However, high power regulators normally oper-
ate at high junction temperatures. It is important to cal-
culate the power dissipation and junction temperatures
accurately to be sure that you use and adequate heat
In the GM1117 linear regulators, the discharge path
is through a large junction, and protection diodes are
normally not needed. However, damage can occur if
the regulator is used with large output capacitance
values and the input voltage is instantaneously
shorted to ground. In this case, a diode connected
as shown above in Figure 2.
sink. The case is connected to V
on the GM1117,
OUT
and electrical isolation may be required for some appli-
cations. Thermal compound should always be used
with high current regulators like the GM1117.
7
Power Management
A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
The thermal characteristics of an IC depend four fac-
tors:
1. Maximum Ambient Temperature T (°C)
A
2. Power Dissipation P (Watts)
D
3. Maximum Junction Temperature T (°C)
J
4. Thermal Resistance Junction to ambient R
JA
Q
(°C/W)
The relationship of these four factors is expressed by
equation (1):
T = T + P X R
J A D
........(1)
QJA
Maximum ambient temperature and power dissipa-
tion are determined by the design while the maximum
junction temperature and thermal resistance depend
on the manufacturer and the package type.
The maximum power dissipation for a regulator is ex-
pressed by equation (2):
P
= { V - V
IN(max)
} I
OUT(min) OUT(max)
+ V
I ........(2)
IN(max) Q
D(max)
where:
V
is the maximum input voltage,
IN(max)
V
is the minimum output voltage,
OUT(min)
I
is the maximum output current
OUT(max)
I is the maximum quiescent current at I
Q
.
OUT(max)
A heat sink effectively increases the surface area of
the package to improve the flow of heat away from
the IC into the air. Each material in the heat flow path
between the IC and the environment has a thermal re-
sistance. Like series electrical resistances, these re-
sistance are summed to determine R , the total
QJA
thermal resistance between the junction and the air.
This is expressed by equation (3):
R
QJA
= R + R + R
QJC QCS
........(3)
QSA
Where all of the following are in °C/W:
R
R
R
is thermal resistance of junction to case,
is thermal resistance of case to heat sink,
is thermal resistance of heat sink to ambient air
QJC
QCS
QSA
The value for R
is calculated using equation (3)
QJA
and the result can be substituted in equation (1). The
value for R is 3.5°C/W for a given package type
QJC
based on an average die size. For a high current reg-
ulator such as the GM1117 the majority of the heat is
generated in the power transistor section.
8
Power Management
A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
Typical Performance Characteristics
1.00
0.10
0.08
0.06
0.04
0.02
0.00
-0.02
-0.04
-0.06
-0.08
-0.10
-0.12
T
= 0°C
CASE
0.95
0.90
0.85
0.80
0.75
T
= 25°C
CASE
T
= 125°C
CASE
0
10 20 30 40 50 60 70 80 90 100 110 120 130
(°C)
J
0
200
400
600
800
1000
IOUT(mA)
T
Figure 3. Dropout Voltage vs. Output Current
Figure 4. Reference Voltage vs. Temperature
70
85
75
65
55
45
I
O
= 10mA
65
60
55
50
45
40
T
= 25°C
CASE
I
= 1.0A
OUT
35
25
15
(V - V
IN
) = 3.0V
OUT
V
= 1.0VP-P
RIPPLE
C
adj
=0.1µF
1
2
3
4
5
6
10
10
10
10
10
10
0
10 20 30 40 50 60 70 80 90 100 110 120 130
Temperature (°C)
Frequency(Hz)
Figure 5. Adjust Pin Current vs. Temperature
Figure 6. Ripple Rejection vs. Frequency
3.5
3.3
3.1
2.9
2.7
2.5
2.3
2.1
1.9
1.7
1.5
300
200
100
0
V
= 3.3V
-100
-200
1000
500
0
OUT
C
= C =22µF Tantalum
IN
OUT
C
=0.1µF
Adj
0
1
2
3
4
5
6
7
8
9
10
1.0
1.5
2.0
2.5
- V
3.0
3.5
4.0
V
IN
Time(µS)
OUT(V)
Figure 7. Transient Response
Figure 8. Short Circuit Current vs. VIN-VOUT
9
Power Management
A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
TO-252-3 PACKAGE OUTLINE DIMENSIONS
6.50 ± 0.05
2.30 ± 0.05
5.340 ± 0.05
0.508 ± 0.0127
Pad Layout
29° ± 0.5°
REF 0.6
7°
0.244
6.20
1.0 ± 0.05
0.118
3.0
6.10 ± 0.05
0.070 ± 0.05
7.20 ± 0.05
9.900
7°
0.75 ± 0.10
2.70 ± 0.10
1.525 ± 0.10
7°
0.243
6.172
0.228
5.80
0.75 ± 0.10
0.89 ± 0.05
0.81 ± 0.038
R 0.25 ± 0.13
0.063
0.101
2.58
1.6
Inches
mm
(
)
Unit: mm
R0.15 max
2°
SOT- 223 PACKAGE OUTLINE DIMENSIONS
1.80max
0.3 ± 0.05
0.65 ± 0.10
3.0 ± 0.05
1.75 ± 0.10
0.60
Pad Layout
0.15
0.06 ± 0.04
3.5 ± 0.10
3.8
7.0 ± 0.15
0.079
2.0
0.248
6.3
1.75 ± 0.10
0~0.075
0.091
2.3
0.091
2.3
0~10°
2.30TYP
0.70 ± 0.05
0.079
2.0
4.6 ± 0.1
0.95TYP
13°
0.059
1.5
0.059
1.5
0.059
1.5
Inches
mm
0.84
0.46
1.6 ± 0.10
13°
Unit: mm
6.50 ± 0.10
10
Power Management
A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
TO-220 PACKAGE OUTLINE DIMENSIONS
4.50 ± 0.20
9.90 ± 0.20
8.0
7.0
3.60 ± 0.20
8.70
+0.1
2.80 ± 0.10
1.30
-0.05
1.30 ± 0.10
1.70
3.70 ± 0.20
1.50 DP0.20
3°
0.9
7.0
4.60
8.40
3°
3°
1.46
1.00
45°
3.00
3-R0.2
1.27 ± 0.10
+0.1
0.80 ± 0.10
1.52 ± 0.10
0.50
-0.05
2.40 ± 0.20
2.54 TYP
(2.54 ± 0.20)
3°
3°
2 - R 0.3
Unit: mm
10.00 ± 0.20
TO-263-2 PACKAGE OUTLINE DIMENSIONS
9.90 ± 0.20
4.50 ± 0.20
+0.1
1.30
15°
-0.05
0.40
1.20
3°
Pad Layout
1.50 DP0.20
0.63
17.02
9.20 ± 0.20
0.33
8.38
0.12
3.05
15.3 ± 0.20
0.10 ± 0.01
3°
R0.30
3°
1.4 ± 0.20
2.40 ± 0.20
2.00 ± 0.10
4.90 ± 0.20
0.42
10.66
0.24
6.096
2.54 ± 0.10
0.75
+0.1
0.90 ± 0.10
R0.30
0.50
-0.05
1.27 ± 0.10
2.54 TYP
0.04
1.016
10.0 ± 0.20
(2.54 ± 0.20)
7.0
4.0
0.40
0.90
Inches
(
)
mm
3°
3°
R 0.3
R 0.45
7.2
9.20 ± 0.20
10.00 ± 0.20
4.90 ± 0.20
Unit: mm
11
Power Management
A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
ORDERING NUMBER
GM 1117 A ST3 R
Shipping
Gamma Micro.
R: Tape & Reel
T: Tube
Circuit Type
Output Voltage
Package
A: Adj, 1.5: 1.5V
TC3: TO-252
1.8: 1.8V, 2.5: 2.5V
2.85: 2.85V, 3.0: 3.0V
3.3: 3.3V, 5.0: 5.0V
TB3: TO-220
TA3: TO-263-2
ST3: SOT-223
12
Power Management
A A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
13
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