L1117XG Series
SOT-223, TO-252,
TO-220,TO-263
Lead-Free
1
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
Jun-29-2004
NIKO-SEM
GENERAL DESCRIPTION
The L1117G Series are positive and low
drop- out three-terminal voltage regulators
with 1A output current capability. These
devices are designed for use in low voltage
applica- tions that offers lower dropout
voltage and faster transient response.
These devices are fully protected against
over current faults, over temperature oper-
ation, reversed input polarity, reversed lead
insertion, transient voltage spike ...etc.
On-Chips trimming the reference voltage to
2% and features the low dropout of maxi-
mum 1.45 volts.
The L1117G Series regulators offer fixed and
adjustable voltage options available in the
popular industry standard SOT-223, TO-220,
TO-252 and TO-263 packages.
FEATURES
Fixed 1.8V, 2.5V, 2.85V, 3.3V, 5V or
adjustable output voltage
Low dropout voltage:
1.2V typical at up to 1A
Low ground current
Fast transient response
Current & thermal limiting
Line regulation: 0.5% typical
Load regulation: 0.5% typical
SOT-223,TO-220,TO-252,TO-263
package
APPLICATIONS
2.85V active SCSI terminators
7-15V to 5V linear regulators
5V to 2.5V or 3.3V linear regulators
Low voltage micro-controllers
Battery Chargers
Motherboard clock supplies
Post regulator for switching supplies
Micro-controllers
* When considering short circuits to ground, the maximum input-to-output differential voltage shall not be allowed
greater than approximate 2~3V at values of supply voltage in excess of 10V, continuous short-circuits can exceed
the power dissipation ratings and cause eventual destruction.
ABSOLUTE MAXIMUM RATINGS
Maximum Supply Voltage
15V*
Operating Junction
Temperature Range
0 to 125 C
Power Dissipation
Internally
Limited
Storage Temperature
Range
-40 to 150 C
Thermal Resistance
Junction to Case,
JC
16 C/W
Lead Temperature
(Soldering, 10 Seconds)
260 C
Thermal Resistance
Junction to Ambient,
JA
SOT-223
TO-252
TO-220
TO-263
158 C/W
70 C/W
50 C/W
60 C/W
L1117XG Series
SOT-223, TO-252,
TO-220,TO-263
Lead-Free
2
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
Jun-29-2004
NIKO-SEM
ELECTRICAL CHARACTERISTICS for ADJUSTABLE
(Unless otherwise specified, T
A
= 25C)
Parameter
Symbol
Test Conditions
Typical
Limits
Reference Voltage
(Adjustable version)
V
REF
V
IN
= 5V, I
OUT
= 10mA
1.25V
1.23V
Min
1.27V
Max
Output Voltage
(Fixed version)
V
O
V
IN
= 5V, I
OUT
= 10mA
V
O
0.98V
O(Min)
1.02V
O(Max)
Dropout Voltage
V
D
V
REF
= 1%, I
OUT
= 1A
1.2V 1.45V
Line Regulation
REG
(LINE)
(V
OUT
+ 1.5V)
V
IN
15V, I
OUT
= 10mA
0.5% 2%
Load Regulation
REG
(LOAD)
(V
IN
-V
OUT
) = 2V, 10mA
I
OUT
1A
0.5% 2.5%
Minimum Load
Current
I
O
1.5V
(V
IN
-V
OUT
)
5.75V
10mA
Adjust Pin Current
I
ADJ
55
A 100
A
Current Limit
I
CL
V
IN
- V
OUT
= 2V
1.2A
1.1A (Min)
RMS Output Noise
V
N
0.003%
of V
OUT
Ripple Rejection
Ratio
R
A
f = 120Hz, C
ADJ
= 22
F for ADJ pin,
V
IN
= 5V, I
OUT
= 1A
72dB 60dB
(Min)
ELECTRICAL CHARACTERISTICS for L1117G-1.8
(Unless otherwise specified, T
A
= 25 C)
Parameter
Symbol
Test Conditions
Typical
Limits
Output Voltage
(Fixed version)
V
O
V
IN
= 5V, I
OUT
= 10mA
V
O
1.764V
(Min)
1.836V
(Max)
Dropout Voltage
V
D
V
O
= 1%, I
OUT
= 1A
1.2V 1.45V
Line Regulation
REG
(LINE)
(V
OUT
+ 1.5V)
V
IN
15V, I
OUT
= 10mA
0.5% 2.0%
Load Regulation
REG
(LOAD)
(V
IN
-V
OUT
) = 2V, 10mA
I
OUT
1A
0.5% 2.0%
Quiescent Current
I
Q
5mA
10mA
Current Limit
I
CL
V
IN
- V
OUT
= 2V
1.2A
1.1A (Min)
RMS Output Noise
V
N
0.003%
of V
OUT
Ripple Rejection
Ratio
R
A
f = 120Hz, Co=22
F,V
IN
= 5V,
I
OUT
= 1A
72dB 60dB
(Min)
L1117XG Series
SOT-223, TO-252,
TO-220,TO-263
Lead-Free
3
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
Jun-29-2004
NIKO-SEM
ELECTRICAL CHARACTERISTICS for L1117G-2.5
(Unless otherwise specified, T
A
= 25 C)
Parameter
Symbol
Test Conditions
Typical
Limits
Output Voltage
(Fixed version)
V
O
V
IN
= 5V, I
OUT
= 10mA
V
O
2.45V
(Min)
2.55V
(Max)
Dropout Voltage
V
D
V
O
= 1%, I
OUT
= 1A
1.2V 1.45V
Line Regulation
REG
(LINE)
(V
OUT
+ 1.5V)
V
IN
15V, I
OUT
= 10mA
0.5% 2.0%
Load Regulation
REG
(LOAD)
(V
IN
-V
OUT
) = 2V, 10mA
I
OUT
1A
0.5% 2.0%
Quiescent Current
I
Q
5mA
10mA
Current Limit
I
CL
V
IN
- V
OUT
= 2V
1.2A
1.1A (Min)
RMS Output Noise
V
N
0.003%
of V
OUT
Ripple Rejection
Ratio
R
A
f = 120Hz, Co=22
F,V
IN
= 5V,
I
OUT
= 1A
72dB 60dB
(Min)
ELECTRICAL CHARACTERISTICS for L1117G-2.85
(Unless otherwise specified, T
A
= 25 C)
Parameter
Symbol
Test Conditions
Typical
Limits
Output Voltage
(Fixed version)
V
O
V
IN
= 5V, I
OUT
= 10mA
V
O
2.793V
(Min)
2.907V
(Max)
Dropout Voltage
V
D
V
O
= 1%, I
OUT
= 1A
1.2V 1.45V
Line Regulation
REG
(LINE)
(V
OUT
+ 1.5V)
V
IN
8V, I
OUT
= 10mA
0.5% 2.0%
Load Regulation
REG
(LOAD)
(V
IN
-V
OUT
) = 2V, 10mA
I
OUT
1A
0.5% 2.0%
Quiescent Current
I
Q
5mA
10mA
Current Limit
I
CL
V
IN
- V
OUT
= 2V
1.2A
1.1A (Min)
RMS Output Noise
V
N
0.003%
of V
OUT
Ripple Rejection
Ratio
R
A
f = 120Hz, Co=22
F,V
IN
= 5V,
I
OUT
= 1A
72dB 60dB
(Min)
L1117XG Series
SOT-223, TO-252,
TO-220,TO-263
Lead-Free
4
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
Jun-29-2004
NIKO-SEM
ELECTRICAL CHARACTERISTICS for L1117G-3.3
(Unless otherwise specified, T
A
= 25 C)
Parameter
Symbol
Test Conditions
Typical
Limits
Output Voltage
(Fixed version)
V
O
V
IN
= 5V, I
OUT
= 10mA
V
O
3.234V
(Min)
3.367V
(Max)
Dropout Voltage
V
D
V
O
= 1%, I
OUT
= 1A
1.2V 1.45V
Line Regulation
REG
(LINE)
(V
OUT
+ 1.5V)
V
IN
15V, I
OUT
= 10mA
0.5% 2.0%
Load Regulation
REG
(LOAD)
(V
IN
-V
OUT
) = 2V, 10mA
I
OUT
1A
0.5% 2.0%
Quiescent Current
I
Q
5mA
10mA
Current Limit
I
CL
V
IN
- V
OUT
= 2V
1.2A
1.1A (Min)
RMS Output Noise
V
N
0.003%
of V
OUT
Ripple Rejection
Ratio
R
A
f = 120Hz, Co=22
F,V
IN
= 5V,
I
OUT
= 1A
72dB 60dB
(Min)
ELECTRICAL CHARACTERISTICS for L1117G-5
(Unless otherwise specified, T
A
= 25 C)
Parameter
Symbol
Test Conditions
Typical
Limits
Output Voltage
(Fixed version)
V
O
V
IN
= 8V, I
OUT
= 10mA
V
O
4.90V
(Min)
5.10V
(Max)
Dropout Voltage
V
D
V
O
= 1%, I
OUT
= 1A
1.2V 1.45V
Line Regulation
REG
(LINE)
(V
OUT
+ 1.5V)
V
IN
15V, I
OUT
= 10mA
0.5% 1.0%
Load Regulation
REG
(LOAD)
(V
IN
-V
OUT
) = 2V, 10mA
I
OUT
1A
0.5% 1.0%
Quiescent Current
I
Q
5mA
10mA
Current Limit
I
CL
V
IN
- V
OUT
= 2V
1.2A
1.1A (Min)
RMS Output Noise
V
N
0.003%
of V
OUT
Ripple Rejection
Ratio
R
A
f = 120Hz, Co=22
F,V
IN
= 8V,
I
OUT
= 1A
72dB 60dB
(Min)
DEVICE SELECTION GUIDE
Device
L1117XG L1117XG-1.8
L1117XG-2.5
L1117XG-2.85 L1117XG-3.3
L1117XG-5
Voltage Version
ADJ 1.8 2.5 2.85 3.3 5
Package
Any package
Any package
Any package
Any package Any package Any package
Marking
L1117XG L1117XG-1.8
L1117XG-2.5
L1117XG-2.85 L1117XG-3.3
L1117XG-5
L1117XG Series
SOT-223, TO-252,
TO-220,TO-263
Lead-Free
5
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
Jun-29-2004
NIKO-SEM
DEVICE PACKAGE
MARKING
L1117XG L,
D,
S,
T
L1117XG
L :SOT-223
L1117XG-1.8 L,
D,
S,
T
L1117XG-1.8
D :TO-252
L1117XG-2.5 L,
D,
S,
T
L1117XG-2.5
S :TO-263
L1117XG-2.85 L,
D,
S,
T
L1117XG-2.85
T :TO-220
L1117XG-3.3 L,
D,
S,
T
L1117XG-3.3
L1117XG-5 L,
D,
S,
T
L1117XG-5
Orders for parts with Lead-Free plating can be placed using the LXXXXXG-XX parts name.
TYPICAL APPLICATION
- Basic Adjustable Regulator Circuit - - Active SCSI Bus Terminators -
+
Cin
10uF
R2
+
Cout
10uF
R1
IN
ADJ
OUT
L1117
Vin
1. Cin needed if device is far from from filter capacitors.
Iadj
Vo = Vref (1+R2/R1) + Iadj x R2
Vout
Vref
2. Cout required for stability.
Vin
4.3v-8V
+
Cin
10uF
+
Cout
22uF
IN
G ND
O UT
L1117-2.85
18~27 Lines
L1117XG Series
SOT-223, TO-252,
TO-220,TO-263
Lead-Free
6
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
Jun-29-2004
NIKO-SEM
Vin > 4.75V
Vout=3.3V
+
Cin
10uF
IN
+
Cout
22uF
GND
OUT
L1117-3.3
Basic Fixed Output Regulator Circuit Basic Fixed Output Regulator Circuit
Vin>6.5V Vout=5V
+
Cin
10uF
IN
+
Cout
22uF
GND
OUT
L1117-5
Vin>3.3V Vout=1.8V
+
Cin
10uF
IN
+
Cout
22uF
GND
OUT
L1117-1.8
Basic Fixed Output Regulator Circuit Basic Fixed Output Regulator Circuit
Vin > 4.00V
Vout=2.5V
+
Cin
10uF
IN
+
Cout
22uF
GND
OUT
L1117-2.5
L1117XG Series
SOT-223, TO-252,
TO-220,TO-263
Lead-Free
7
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
Jun-29-2004
NIKO-SEM
Typical Performance Characteristics
L1117XG Series
SOT-223, TO-252,
TO-220,TO-263
Lead-Free
8
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
Jun-29-2004
NIKO-SEM
Vout=1.8V,Vin=3.3V,Iout=105mA/800mA
Cin=10F,Cout=10F
Load Transient
Load Transient
Vout=2.5V,Vin=4V,Iout=105mA/800mA Vout=2.85V,Vin=4.35V,Iout=105mA/800mA
Cin=10F,Cout=10F Cin=10F,Cout=10F
Load Transient
Load Transient
Vout=3.3V,Vin=4.8V,Iout=105mA/800mA Vout=5V,Vin=6.5V,Iout=105mA/800mA
Cin=10F,Cout=10F Cin=10F,Cout=10F
Load Transient
L1117XG Series
SOT-223, TO-252,
TO-220,TO-263
Lead-Free
9
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
Jun-29-2004
NIKO-SEM
PIN CONFIGURATIONS
Pin #
Function
1 Adjust/Ground
2 Output
3 Input
Note: TAB is Output Pin
L1117XG Series
SOT-223, TO-252,
TO-220,TO-263
Lead-Free
10
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
Jun-29-2004
NIKO-SEM
SOT-223 MECHANICAL DATA
mm
mm
Dimension
Min. Typ. Max.
Dimension
Min. Typ. Max.
A 0.67 0.7 0.73 H 3.3 3.5 3.7
B 6.7 7 7.3
I 0.63 0.65 0.67
C 2.9 3 3.1 J 0.32
0.4
D 2.27 2.3 2.33 K 0
10
E 4.57 4.6 4.63 L 0.03 0.1
F
1.5
1.6
1.7
M
G
6.3
6.5
6.7
N
L1117XG Series
SOT-223, TO-252,
TO-220,TO-263
Lead-Free
11
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
Jun-29-2004
NIKO-SEM
TO-252 (DPAK) MECHANICAL DATA
mm
mm
Dimension
Min. Typ. Max.
Dimension
Min. Typ. Max.
A 9.35 10.1
H 0.8
B 2.2 2.4 I 6.4 6.6
C
0.48 0.6 J 5.2 5.4
D 0.89 1.5 K 0.6 1
E 0.45 0.6 L 0.64 0.9
F 0.03 0.23
M 4.4 4.6
G
6
6.2
N
L1117XG Series
SOT-223, TO-252,
TO-220,TO-263
Lead-Free
12
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
Jun-29-2004
NIKO-SEM
TO-220 (3-Lead) MECHANICAL DATA
mm
mm
Dimension
Min. Typ. Max.
Dimension
Min. Typ. Max.
A 9.78
10.16
10.54 H 2.4 2.54
2.68
B 2.61 2.74 2.87 I 1.19 1.27 1.35
C 20 J 4.4
4.6
4.8
D 28.5 28.9 29.3 K 1.14 1.27 1.4
E 14.6 15.0 15.4 L 2.3 2.6 2.9
F 8.4 8.8 9.2 M 0.26 0.46
0.66
G 0.72 0.8 0.88 N
7
L1117XG Series
SOT-223, TO-252,
TO-220,TO-263
Lead-Free
13
1A Fixed and Adjustable Low
Dropout Linear Regulator (LDO)
Jun-29-2004
NIKO-SEM
TO-263 (D
2
PAK) MECHANICAL DATA
mm
mm
Dimension
Min. Typ. Max.
Dimension
Min. Typ. Max.
A 14.5 15 15.8 H 1.0 1.5 1.8
B 4.2 4.7 I 9.8 10.3
C 1.20 1.35 J 6.5
D 2.8 K 1.5
E 0.3 0.4 0.5 L 0.7 1.4
F -0.102 0.203 M 4.83 5.08 5.33
G 8.5 9 9.5 N
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