UNISONIC TECHNOLOGIES CO., LTD
LD1117LI
Preliminary
LINEAR INTEGRATED CIRCUIT
LOW DROP FIXED AND
ADJUSTABLE POSITIVE
VOLTAGE REGULATORS
DESCRIPTION
The UTC
LD1117LI
is a low dropout, 3-terminal positive
voltage regulator designed to provide output current up to 1A,
There are adjustable version (V
REF
=1.25V) and various fixed
versions.
FEATURES
* Low dropout voltage and Low Quiescent Current
* Output current up to 1A.
* Built-in current limit and over temperature protection
* Available in
±2%(at
25°C)
* Low current consumption
* Support MLCC
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
LD1117LIL-xx-AA3- -
LD1117LIG-xx-AA3- -
LD1117LIL-xx-AB3- -
LD1117LIG-xx-AB3- -
LD1117LIL-xx-TA3- -
LD1117LIG-xx-TA3- -
LD1117LIL-xx-TN3- -
LD1117LIG-xx-TN3- -
LD1117LIL-xx-TQ2- -
LD1117LIG-xx-TQ2- -
Note: Pin Assignment: I: V
IN
O: V
OUT
G: GND/ADJ
LD1117LIL-xx-AA3- 1 - 2
(1)Packing Type
(2)Pin Assignment
(3)Package Type
(4)Output Voltage Code
(5)Lead Plating
Package
SOT-223
SOT-89
TO-220
TO-252
TO-263
Pin Assignment
Pin Code
A: GOI
B: OGI
C: GIO
D: IGO
Packing
T: Tube
R: Tape Reel
(1) R: Tape Reel, T: Tube
(2) refer to Pin Assignment
(3) AA3: SOT-223, AB3: SOT-89, TA3:TO-220,
(3)
TN3: TO-252, TQ2: TO-263
(4) xx: refer to Marking Information
(5) L: Lead Free, G: Halogen Free
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1 of 12
QW-R101-041.b
LD1117LI
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
Preliminary
LINEAR INTEGRATED CIRCUIT
MARKING
SOT-89
12 :1.2V
15 :1.5V
18 :1.8V
25 :2.5V
33 :3.3V
50 :5.0V
AD :ADJ
SOT-223
TO-220
TO-252
TO-263
PIN CONFIGURATION of SOP-8
GND/
ADJ
V
OUT
V
OUT
V
IN
1
2
3
4
8
7
6
5
NC
V
OUT
V
OUT
NC
UNISONIC TECHNOLOGIES CO., LTD
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2 of 12
QW-R101-041.b
LD1117LI
Preliminary
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
(T
A
=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
DC Input Voltage
V
IN
18
V
Power Dissipation
P
D
Internally limited
Junction Temperature
T
J
+150
°C
Storage temperature
T
STG
-65 ~ +150
°C
Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
RECOMMENDED OPERATING RATINGS
PARAMETER
Input Voltage
Operating Junction Temperature
SYMBOL
V
IN
T
J
RATINGS
15
0 ~ +125
UNIT
V
°C
THERMAL DATA
PARAMETER
SOT-223
SOT-89
TO-252
TO-220
TO-263
SOT-223
SOT-89
TO-252
TO-220
TO-263
SYMBOL
RATINGS
165
180
112
54
64
15
50
12
4
4
UNIT
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
Junction to Ambient
θ
JA
Junction to Case
θ
JC
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4 of 12
QW-R101-041.b
LD1117LI
For LD1117LI-1.2
PARAMETER
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Temperature stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Current Limit
Minimum Load Current
Output Noise Voltage
Supply Voltage Rejection
Preliminary
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS
(T
A
=25°C, refer to the test circuits, T
J
=0~125°C, C
O
=10mF, unless otherwise specified)
SYMBOL
V
OUT
V
OUT
ΔV
OUT
ΔV
OUT
ΔV
OUT
ΔV
OUT
V
IN
I
Q
I
LIMIT
I
O(MIN)
e
N
SVR
TEST CONDITIONS
V
IN
=3.2V, I
OUT
=10mA, T
J
=25°C
V
IN
=2.7~8V, I
OUT
=1000mA
V
IN
=2.7~8V, I
OUT
=10mA
V
IN
=2.7V, I
OUT
=1000mA
1000 hrs, T
J
=125°C
I
OUT
=100mA
V
IN
≤10V
V
IN
=6.2V, T
J
=25°C
V
IN
=15V
B=10Hz to 10KHz, T
J
=25°C
I
OUT
=40mA, f=120Hz, T
J
=25°C,
V
IN
=4.2V, V
RIPPLE
=1V
PP
I
OUT
=100mA
I
OUT
=500mA
I
OUT
=800mA
I
OUT
=1A
T
A
=25°C, 30ms Pulse
TEST CONDITIONS
V
IN
=3.5V, I
OUT
=10mA, T
J
=25°C
V
IN
=3~8V, I
OUT
=1000mA
V
IN
=3~8V, I
OUT
=0mA
V
IN
=3V, I
OUT
=1000mA
1000 hrs, T
J
=125°C
I
OUT
=100mA
V
IN
≤10V
V
IN
=6.5V, T
J
=25°C
B=10Hz to 10KHz, T
J
=25°C
I
OUT
=40mA, f=120Hz, T
J
=25°C,
V
IN
=4.5V, V
RIPPLE
=1V
PP
I
OUT
=100mA
I
OUT
=500mA
I
OUT
=800mA
I
OUT
=1A
T
A
=25°C, 30ms Pulse
MIN.
1.176
1.176
TYP.
1.200
1.200
1
1
0.5
0.3
1
1000
2
100
60
75
1.00
1.15
1.20
1.20
0.01
MIN
1.470
1.470
TYP
1.500
1.500
1
1
0.5
0.3
1
1000
100
60
75
1.00
1.15
1.20
1.20
0.01
1.10
1.25
1.30
1.30
0.10
1.10
1.25
1.30
1.30
0.10
MAX
1.530
1.530
6
10
5
MAX.
1.224
1.224
6
10
UNIT
V
V
mV
mV
%
%
V
mA
mA
mA
μV
dB
15
2
Dropout Voltage
Thermal Regulation
For LD1117LI-1.5
PARAMETER
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Temperature stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Current Limit
Output Noise Voltage
Supply Voltage Rejection
V
D
V
%/W
UNIT
V
V
mV
mV
%
%
V
mA
mA
μV
dB
SYMBOL
V
OUT
V
OUT
ΔV
OUT
ΔV
OUT
ΔV
OUT
ΔV
OUT
V
IN
I
Q
I
LIMIT
e
N
SVR
15
2
Dropout Voltage
Thermal Regulation
V
D
V
%/W
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www.unisonic.com.tw
5 of 12
QW-R101-041.b
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