UNISONIC TECHNOLOGIES CO., LTD
LD1117/A
LOW DROP FIXED AND
ADJUSTABLE POSITIVE
VOLTAGE REGULATORS
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
The UTC
LD1117/A
is a low dropout, 3-terminal positive
voltage regulator designed to provide output current up to
800mA/1A, There are adjustable version (V
REF
=1.25V) and
various fixed versions.
FEATURES
* Low dropout voltage
* Suitable for SCSI-2 active termination if V
OUT
set to 2.85V
* Output current up to 0.8A for 1117 and 1.0A for 1117A
* Built-in current limit and over temperature protection
* Low current consumption
* Support MLCC
ORDERING INFORMATION
Package
SOT-223
SOT-89
TO-220
TO-220F
TO-252
TO-252D
TO-262
TO-263
TO-263-3
SOP-8
Pin Assignment
Packing
Ordering Number
Lead Free
Halogen Free
LD1117L-xx-AA3--
LD1117G-xx-AA3--
LD1117L-xx-AB3--
LD1117G-xx-AB3--
LD1117L-xx-TA3--
LD1117G-xx-TA3--
LD1117L-xx-TF3--
LD1117G-xx-TF3--
LD1117L-xx-TN3--
LD1117G-xx-TN3--
LD1117L-xx-TND--
LD1117G-xx-TND--
LD1117L-xx-T2Q--
LD1117G-xx-T2Q--
LD1117L-xx-TQ2--
LD1117G-xx-TQ2--
LD1117L-xx-TQ3--
LD1117G-xx-TQ3--
LD1117L-xx-S08--
LD1117G-xx-S08--
Notes: 1.
: Current code: Blank: 800mA
A: 1A
2. Pin Assignment: I: V
IN
O: V
OUT
G: GND/ADJ
3. xx: Output Voltage, Refer to Marking Information.
LD1117 1 G-xx-AA3- 2 - 3
(1)Packing Type
(2)Pin Assignment
(3)Package Type
(4)Output Voltage Code
(5)Green Package
(6)Current Code
Pin Code
A
B
C
D
1
G
O
G
I
2
O
G
I
G
3
I
I
O
O
R: Tape Reel
T: Tube
GOOIxOOx
(1) R: Tape Reel, T: Tube
(2) refer to Pin Assignment
(3) AA3: SOT-223, AB3: SOT-89, TA3:TO-220,
(3)
TF3: TO-220F, TN3: TO-252, TND: TO-252D
(3)
T2Q: TO-262, TQ2: TO-263, TQ3: TO-263-3,
(3)
S08: SOP-8
(4) xx: refer to Marking Information
(5) G: Halogen Free and Lead Free, L: Lead Free
(6) Blank: 800mA, A: 1A
www.unisonic.com.tw
Copyright © 2017 Unisonic Technologies Co., Ltd
1 of 15
QW-R102-006.AO
LD1117/A
ABSOLUTE MAXIMUM RATINGS
(T
A
=25°C)
PARAMETER
LINEAR INTEGRATED CIRCUIT
SYMBOL
RATINGS
UNIT
DC Input Voltage
V
IN
18
V
Power Dissipation
P
D
Internally limited
Junction Temperature
T
J
+150
°C
Operating Temperature (Note 2)
T
OPR
-20 ~ +125
°C
Storage temperature
T
STG
-65 ~ +150
°C
Notes: 1. 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.
2. This condition is only determined from design. It can't be 100% tested in mass production.
RECOMMENDED OPERATING RATINGS
PARAMETER
SYMBOL
V
IN
T
J
RATINGS
15
-20 ~ +125
UNIT
V
°C
Input Voltage
Operating Junction Temperature
THERMAL DATA
PARAMETER
SOT-223
SOT-89
SOP-8
TO-252/TO-252D
TO-220
TO-262/TO-263
SOT-223
SOT-89
SOP-8
TO-252/TO-252D
TO-220/TO-262
TO-263
SYMBOL
RATINGS
165
180
150
112
54
64
15
50
20
12
4
UNIT
°C/W
°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
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 15
QW-R102-006.AO
LD1117/A
ELECTRICAL CHARACTERISTICS
For LD1117/A-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
LINEAR INTEGRATED CIRCUIT
(T
A
=25°C, refer to the test circuits, T
J
=0 ~ 125°C, C
O
=10μF unless otherwise specified)
SYMBOL
TEST CONDITIONS
V
OUT
V
IN
=3.2V, I
OUT
=10mA, T
J
=25°C
V
IN
=2.7 to 8V
V
OUT
LD1117 : I
OUT
=10~800mA
LD1117A : I
OUT
=10~1000mA
V
OUT
V
IN
=2.7 to 8V, I
OUT
=10mA
V
IN
=2.7V
V
OUT
LD1117 : I
OUT
=10~800mA
LD1117A : I
OUT
=10~1000mA
V
OUT
V
OUT
1000 hrs, T
J
=125°C
V
IN
I
OUT
=100mA
I
Q
V
IN
10V
LD1117
I
LIMIT
V
IN
=6.2V, T
J
=25°C
LD1117A
I
O(MIN)
V
IN
=15V
e
N
B=10Hz to 10KHz, T
J
=25°C
I
OUT
=40mA, f=120Hz, T
J
=25°C,
SVR
V
IN
=4.2V, V
RIPPLE
=1V
PP
I
OUT
=100mA
I
OUT
=500mA
V
D
I
OUT
=800mA
I
OUT
=1A
T
A
=25°C, 30ms Pulse
SYMBOL
TEST CONDITIONS
V
OUT
V
IN
=3.5V, I
OUT
=10mA, T
J
=25°C
V
IN
=3 to 8V
V
OUT
LD1117 : I
OUT
=0~800mA
LD1117A : I
OUT
=0~1000mA
V
OUT
V
IN
=3 to 8V, I
OUT
=0mA
V
IN
=3V
V
OUT
LD1117 : I
OUT
=0~800mA
LD1117A : I
OUT
=0~1000mA
V
OUT
V
OUT
1000 hrs, T
J
=125°C
V
IN
I
OUT
=100mA
I
Q
V
IN
10V
LD1117
I
LIMIT
V
IN
=6.5V, T
J
=25°C
LD1117A
e
N
B=10Hz to 10KHz, T
J
=25°C
I
OUT
=40mA, f=120Hz, T
J
=25°C,
SVR
V
IN
=4.5V, V
RIPPLE
=1V
PP
I
OUT
=100mA
I
OUT
=500mA
V
D
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
5
800
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
5
800
1000
100
60
75
1.00
1.15
1.20
1.20
0.01
1.10
1.25
1.30
1.30
0.10
15
10
1.10
1.25
1.30
1.30
0.10
MAX
1.530
1.530
6
10
5
15
10
MAX.
1.224
1.224
6
10
UNIT
V
V
mV
mV
%
%
V
mA
mA
mA
V
dB
Dropout Voltage
Thermal Regulation
For LD1117/A-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
%/W
UNIT
V
V
mV
mV
%
%
V
mA
mA
V
dB
Dropout Voltage
Thermal Regulation
V
%/W
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 15
QW-R102-006.AO
PCB设计
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
