LD1117AG-AD-SO8-D-R [UTC]

Adjustable Positive LDO Regulator, 1.3V Dropout, PDSO8, HALOGEN FREE, SOP-8;
LD1117AG-AD-SO8-D-R
型号: LD1117AG-AD-SO8-D-R
厂家: Unisonic Technologies    Unisonic Technologies
描述:

Adjustable Positive LDO Regulator, 1.3V Dropout, PDSO8, HALOGEN FREE, SOP-8

光电二极管 输出元件 调节器
文件: 总15页 (文件大小:446K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
UNISONIC TECHNOLOGIES CO., LTD  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
LOW DROP FIXED AND  
ADJUSTABLE POSITIVE  
VOLTAGE REGULATORS  
„
DESCRIPTION  
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 (VREF=1.25V) and various  
fixed versions.  
„
FEATURES  
* Low dropout voltage  
* Suitable for SCSI-2 active termination if VOUT 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  
* Available in ±1%(at 25°C) and 2% in all temperature range  
* Low current consumption  
Lead-free:  
LD1117L-xx / LD1117AL-xx  
Halogen-free: LD1117G-xx / LD1117AG-xx  
* Support MLCC  
„
ORDERING INFORMATION  
Ordering Number  
Lead Free  
d
Package  
Packing  
Pin Assignment  
Normal  
Halogen Free  
LD1117c-xx-AA3-d-e LD1117cL-xx-AA3-d-eLD1117cG-xx-AA3-d-e SOT-223  
LD1117c-xx-AB3-d-e LD1117cL-xx-AB3-d-eLD1117cG-xx-AB3-d-e SOT-89  
LD1117c-xx-TA3-d-e LD1117cL-xx-TA3-d-e LD1117cG-xx-TA3-d-e TO-220  
LD1117c-xx-TF3-d-e LD1117cL-xx-TF3-d-e LD1117cG-xx-TF3-d-e TO-220F  
LD1117c-xx-TN3-d-e LD1117cL-xx-TN3-d-eLD1117cG-xx-TN3-d-e TO-252  
LD1117c-xx-TQ2-d-e LD1117cL-xx-TQ2-d-eLD1117cG-xx-TQ2-d-e TO-263  
LD1117c-xx-TQ3-d-e LD1117cL-xx-TQ3-d-eLD1117cG-xx-TQ3-d-e TO-263-3  
LD1117c-xx-S08-d-e LD1117cL-xx-S08-d-e LD1117cG-xx-S08-d-e SOP-8  
Note: Pin Assignment: I:VIN O:VOUT G:GND/ADJ  
A: GOI  
B: OGI  
C: GIO  
D: IGO  
R: Tape Reel  
T: Tube  
GOOIxOOx  
www.unisonic.com.tw  
1 of 15  
Copyright © 2011 Unisonic Technologies Co., Ltd  
QW-R102-006.AC  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
„
MARKING INFORMATION  
PACKAGE  
VOLTAGE CODE  
MARKING  
SOT-89  
12 :1.2V  
15 :1.5V  
18 :1.8V  
25 :2.5V  
2J :2.85V  
30 :3.0V  
33 :3.3V  
36 :3.6V  
50 :5.0V  
AD :ADJ  
SOT-223  
TO-220  
TO-220F  
TO-252  
TO-263  
TO-263-3  
Note: Current code: Blank: 0.8A  
A: 1A  
„
PIN CONFIGURATION of SOP-8  
GND/  
ADJ  
1
NC  
8
7
VOUT  
VOUT  
NC  
VOUT  
VOUT  
VIN  
2
3
4
6
5
UNISONIC TECHNOLOGIES CO., LTD  
2 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
„
BLOCK DIAGRAM  
UNISONIC TECHNOLOGIES CO., LTD  
3 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
„
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)  
PARAMETER  
SYMBOL  
VIN  
RATINGS  
18  
UNIT  
V
DC Input Voltage  
Power Dissipation  
PD  
Internally limited  
+150  
Junction Temperature  
Storage temperature  
TJ  
°C  
°C  
TSTG  
-65 ~ +150  
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  
SYMBOL  
RATINGS  
15  
UNIT  
V
Input Voltage  
VIN  
TJ  
Operating Junction Temperature Range  
0 ~ +125  
°C  
„
THERMAL DATA  
PARAMETER  
SYMBOL  
RATINGS  
165  
180  
150  
112  
54  
UNIT  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
SOT-223  
SOT-89  
SOP-8  
Junction to Ambient  
θJA  
TO-252  
TO-220  
TO-263  
SOT-223  
SOT-89  
SOP-8  
64  
15  
50  
20  
Junction to Case  
θJC  
TO-252  
TO-220  
TO-263  
12  
4
4
UNISONIC TECHNOLOGIES CO., LTD  
4 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
„
ELECTRICAL CHARACTERISTICS  
(Ta=25°C, refer to the test circuits, TJ=0 to 125°C, Co=10μF unless otherwise specified)  
For LD1117/A-1.2  
PARAMETER  
Output Voltage  
SYMBOL  
TEST CONDITIONS  
MIN.  
TYP.  
MAX.  
1.224  
UNIT  
V
VOUT VIN=3.2V, IOUT=10mA, TJ=25°C  
VIN=2.7 to 8V  
1.176  
1.200  
Output Voltage  
Line Regulation  
Load Regulation  
VOUT LD1117 : IOUT=10~800mA  
LD1117A : IOUT=10~1000mA  
ΔVOUT VIN=2.7 to 8V, IOUT=10mA  
VIN=2.7V  
ΔVOUT LD1117 : IOUT=10~800mA  
LD1117A : IOUT=10~1000mA  
ΔVOUT  
1.176  
1.200  
1.224  
6
V
1
1
mV  
mV  
10  
Temperature stability  
Long Term Stability  
Operating Input Voltage  
Quiescent Current  
0.5  
0.3  
%
%
ΔVOUT 1000 hrs, TJ=125°C  
VIN  
IQ  
IOUT=100mA  
15  
10  
V
VIN10V  
5
mA  
LD1117  
800  
Current Limit  
ILIMIT VIN=6.2V, TJ=25°C  
mA  
LD1117A 1000  
Minimum Load Current  
Output Noise Voltage  
IO(MIN) VIN=15V  
2
5
mA  
eN  
B=10Hz to 10KHz, TJ=25°C  
100  
μV  
I
OUT=40mA, f=120Hz, TJ=25°C,  
Supply Voltage Rejection  
SVR  
60  
75  
dB  
VIN=4.2V, VRIPPLE=1Vpp  
IOUT=100mA  
IOUT=500mA  
IOUT=800mA  
1.00  
1.15  
1.20  
1.20  
0.01  
1.10  
1.25  
1.30  
1.30  
0.10  
Dropout Voltage  
VD  
V
I
OUT=1A  
Thermal Regulation  
Ta=25°C, 30ms Pulse  
%/W  
For LD1117/A-1.5  
PARAMETER  
Output Voltage  
SYMBOL  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
V
VOUT VIN=3.5V, IOUT=10mA, TJ=25°C  
VIN=3 to 8V  
1.470  
1.500  
1.530  
Output Voltage  
Line Regulation  
Load Regulation  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT VIN=3 to 8V, IOUT=0mA  
VIN=3V  
ΔVOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT  
1.470  
1.500  
1.530  
6
V
1
1
mV  
mV  
10  
Temperature stability  
Long Term Stability  
Operating Input Voltage  
Quiescent Current  
0.5  
0.3  
%
%
ΔVOUT 1000 hrs, TJ=125°C  
VIN  
IQ  
IOUT=100mA  
15  
10  
V
VIN10V  
5
mA  
LD1117  
LD1117A 1000  
B=10Hz to 10KHz, TJ=25°C  
800  
Current Limit  
ILIMIT VIN=6.5V, TJ=25°C  
mA  
μV  
dB  
Output Noise Voltage  
Supply Voltage Rejection  
eN  
100  
75  
I
OUT=40mA, f=120Hz, TJ=25°C,  
SVR  
60  
VIN=4.5V, VRIPPLE=1Vpp  
IOUT=100mA  
IOUT=500mA  
IOUT=800mA  
1.00  
1.15  
1.20  
1.20  
0.01  
1.10  
1.25  
1.30  
1.30  
0.10  
Dropout Voltage  
VD  
V
I
OUT=1A  
Thermal Regulation  
Ta=25°C, 30ms Pulse  
%/W  
UNISONIC TECHNOLOGIES CO., LTD  
5 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
„
ELECTRICAL CHARACTERISTICS(Cont.)  
For LD1117/A-1.8  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN.  
TYP.  
MAX.  
1.836  
UNIT  
V
Output Voltage  
Output Voltage  
Line Regulation  
Load Regulation  
VOUT VIN=3.8V, IOUT=10mA, TJ=25°C  
VIN=3.3 to 8V  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT VIN=3.3 to 8V, IOUT=0mA  
VIN=3.3V  
ΔVOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT  
1.764  
1.800  
1.764  
1.800  
1.836  
6
V
1
1
mV  
mV  
10  
Temperature stability  
Long Term Stability  
Operating Input Voltage  
Quiescent Current  
0.5  
0.3  
%
%
ΔVOUT 1000 hrs, TJ=125°C  
VIN  
IQ  
IOUT=100mA  
15  
10  
V
VIN10V  
5
mA  
LD1117  
LD1117A 1000  
B=10Hz to 10KHz, TJ=25°C  
800  
Current Limit  
ILIMIT VIN=6.8V, TJ=25°C  
mA  
μV  
dB  
Output Noise Voltage  
Supply Voltage Rejection  
eN  
100  
75  
I
OUT=40mA, f=120Hz, TJ=25°C,  
SVR  
60  
VIN=5.5V, VRIPPLE=1Vpp  
IOUT=100mA  
IOUT=500mA  
IOUT=800mA  
1.00  
1.15  
1.20  
1.20  
0.01  
1.10  
1.25  
1.30  
1.30  
0.10  
Dropout Voltage  
VD  
V
I
OUT=1A  
Thermal Regulation  
Ta=25°C, 30ms Pulse  
%/W  
For LD1117/A-2.5  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN.  
TYP.  
MAX.  
2.550  
UNIT  
V
Output Voltage  
VOUT VIN=4.5V, IOUT=10mA, TJ=25°C  
VIN=3.9 to 10V  
2.450  
2.500  
Output Voltage  
Line Regulation  
Load Regulation  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT VIN=3.9 to 10V, IOUT=0mA  
VIN=3.9V  
ΔVOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT  
2.450  
2.500  
2.550  
6
V
1
1
mV  
mV  
10  
Temperature stability  
Long Term Stability  
Operating Input Voltage  
Quiescent Current  
0.5  
0.3  
%
%
ΔVOUT 1000 hrs, TJ=125°C  
VIN  
IQ  
IOUT=100mA  
15  
10  
V
VIN10V  
5
mA  
LD1117  
LD1117A 1000  
B=10Hz to 10KHz, TJ=25°C  
800  
Current Limit  
ILIMIT VIN=7.5V, TJ=25°C  
mA  
μV  
dB  
Output Noise Voltage  
Supply Voltage Rejection  
eN  
100  
75  
I
OUT=40mA, f=120Hz, TJ=25°C,  
SVR  
60  
VIN=5.5V, VRIPPLE =1Vpp  
IOUT=100mA  
IOUT=500mA  
IOUT=800mA  
1.00  
1.15  
1.20  
1.20  
0.01  
1.10  
1.25  
1.30  
1.30  
0.10  
Dropout Voltage  
VD  
V
I
OUT=1A  
Thermal Regulation  
Ta=25°C, 30ms Pulse  
%/W  
UNISONIC TECHNOLOGIES CO., LTD  
6 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
„
ELECTRICAL CHARACTERISTICS(Cont.)  
For LD1117/A-2.85  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
V
Output Voltage  
Output Voltage  
Line Regulation  
Load Regulation  
VOUT VIN=4.85V, IOUT=10mA, TJ=25°C  
VIN=4.25 to 10V  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT VIN=4.25 to 10V, IOUT=0mA  
VIN=4.25V  
ΔVOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT  
2.793  
2.850  
2.907  
2.793  
2.850  
2.907  
6
V
1
1
mV  
mV  
10  
Temperature stability  
Long Term Stability  
Operating Input Voltage  
Quiescent Current  
0.5  
0.3  
%
%
ΔVOUT 1000 hrs, TJ=125°C  
VIN  
IQ  
IOUT=100mA  
15  
10  
V
VIN10V  
5
mA  
LD1117  
LD1117A 1000  
B=10Hz to 10KHz, TJ=25°C  
800  
Current Limit  
ILIMIT VIN=7.85V, TJ=25°C  
mA  
μV  
dB  
Output Noise Voltage  
Supply Voltage Rejection  
eN  
100  
75  
I
OUT=40mA, f=120Hz, TJ=25°C,  
SVR  
60  
VIN=5.85V, VRIPPLE=1Vpp  
IOUT=100mA  
IOUT=500mA  
IOUT=800mA  
1.00  
1.15  
1.20  
1.20  
0.01  
1.10  
1.25  
1.30  
1.30  
0.10  
Dropout Voltage  
VD  
V
I
OUT=1A  
Thermal Regulation  
Ta=25°C, 30ms Pulse  
%/W  
For LD1117/A-3.0  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN.  
TYP.  
MAX.  
3.060  
UNIT  
V
Output Voltage  
VOUT VIN=5V, IOUT=10mA, TJ=25°C  
VIN=4.5 to 10V  
2.940  
3.000  
Output Voltage  
Line Regulation  
Load Regulation  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT VIN=4.5 to 12V, IOUT=0mA  
VIN=4.5V  
ΔVOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT  
2.940  
3.000  
3.060  
6
V
1
1
mV  
mV  
10  
Temperature stability  
Long Term Stability  
Operating Input Voltage  
Quiescent Current  
0.5  
0.3  
%
%
ΔVOUT 1000 hrs, TJ=125°C  
VIN  
IQ  
IOUT=100mA  
15  
10  
V
VIN15V  
5
mA  
LD1117  
LD1117A 1000  
B=10Hz to 10KHz, TJ=25°C  
800  
Current Limit  
ILIMIT VIN=8V, TJ=25°C  
mA  
μV  
dB  
Output Noise Voltage  
Supply Voltage Rejection  
eN  
100  
75  
I
OUT=40mA, f=120Hz, TJ=25°C,  
SVR  
60  
VIN=6V, VRIPPLE=1Vpp  
IOUT=100mA  
IOUT=500mA  
IOUT=800mA  
1.00  
1.15  
1.20  
1.20  
0.01  
1.10  
1.25  
1.30  
1.30  
0.10  
Dropout Voltage  
VD  
V
I
OUT=1A  
Thermal Regulation  
Ta=25°C, 30ms Pulse  
%/W  
UNISONIC TECHNOLOGIES CO., LTD  
7 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
„
ELECTRICAL CHARACTERISTICS(Cont.)  
For LD1117/A-3.3  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN.  
TYP.  
MAX.  
3.366  
UNIT  
V
Output Voltage  
Output Voltage  
Line Regulation  
Load Regulation  
VOUT VIN=5.3V, IOUT=10mA, TJ=25°C  
3.234  
3.300  
VIN=4.75 to 10V  
LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
VOUT  
3.234  
3.300  
3.366  
6
V
ΔVOUT VIN=4.75 to 15V, IOUT=0mA  
VIN=4.75V  
ΔVOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT  
ΔVOUT 1000 hrs, TJ=125°C  
VIN  
IQ  
1
1
mV  
mV  
10  
Temperature stability  
Long Term Stability  
Operating Input Voltage  
Quiescent Current  
0.5  
0.3  
%
%
IOUT=100mA  
15  
10  
V
VIN15V  
5
mA  
LD1117  
LD1117A 1000  
B=10Hz to 10KHz, TJ=25°C  
800  
Current Limit  
ILIMIT VIN=8.3V, TJ=25°C  
mA  
μV  
dB  
Output Noise Voltage  
Supply Voltage Rejection  
eN  
100  
75  
I
OUT=40mA, f=120Hz, TJ=25°C,  
SVR  
60  
VIN=6.3V, VRIPPLE=1Vpp  
IOUT=100mA  
IOUT=500mA  
IOUT=800mA  
1.00  
1.15  
1.20  
1.20  
0.01  
1.10  
1.25  
1.30  
1.30  
0.10  
Dropout Voltage  
VD  
V
I
OUT=1A  
Thermal Regulation  
TA=25°C, 30ms Pulse  
%/W  
For LD1117/A-3.6  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN.  
TYP.  
MAX.  
3.672  
UNIT  
V
Output Voltage  
VOUT VIN=5.6V, IOUT=10mA, TJ=25°C  
VIN=5 to 10V  
3.528  
3.600  
Output Voltage  
Line Regulation  
Load Regulation  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT VIN=5 to 15V, IOUT=0mA  
VIN=5V  
ΔVOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT  
3.528  
3.600  
3.672  
6
V
1
1
mV  
mV  
10  
Temperature stability  
Long Term Stability  
Operating Input Voltage  
Quiescent Current  
0.5  
0.3  
%
%
ΔVOUT 1000 hrs, TJ=125°C  
VIN  
IQ  
IOUT=100mA  
15  
10  
V
VIN15V  
5
mA  
LD1117  
LD1117A 1000  
B=10Hz to 10KHz, TJ=25°C  
800  
Current Limit  
ILIMIT VIN=8.6V, TJ=25°C  
mA  
μV  
dB  
Output Noise Voltage  
Supply Voltage Rejection  
eN  
100  
75  
I
OUT=40mA, f=120Hz, TJ=25°C,  
SVR  
60  
VIN=6.6V, VRIPPLE=1Vpp  
IOUT=100mA  
IOUT=500mA  
IOUT=800mA  
1.00  
1.15  
1.20  
1.20  
0.01  
1.10  
1.25  
1.30  
1.30  
0.10  
Dropout Voltage  
VD  
V
I
OUT=1A  
Thermal Regulation  
TA=25°C, 30ms Pulse  
%/W  
UNISONIC TECHNOLOGIES CO., LTD  
8 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
„
ELECTRICAL CHARACTERISTICS(Cont.)  
For LD1117/A-5.0  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN.  
TYP.  
MAX.  
5.100  
UNIT  
V
Output Voltage  
Output Voltage  
Line Regulation  
Load Regulation  
VOUT VIN=7V, IOUT=10mA, TJ=25°C  
4.900  
5.000  
VIN=6.5 to 15V  
LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1.0A  
VOUT  
4.900  
5.000  
5.100  
10  
V
ΔVOUT VIN=6.5 to 15V, IOUT=0mA  
VIN=6.5V  
ΔVOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
ΔVOUT  
ΔVOUT 1000 hrs, TJ=125°C  
VIN  
IQ  
1
1
mV  
mV  
15  
Temperature stability  
Long Term Stability  
Operating Input Voltage  
Quiescent Current  
0.5  
0.3  
%
%
IOUT=100mA  
15  
10  
V
VIN15V  
5
mA  
LD1117  
LD1117A 1000  
B=10Hz to 10KHz, TJ=25°C  
IOUT=40mA, f=120Hz, TJ=25°C,  
800  
Current Limit  
ILIMIT VIN=10V, TJ=25°C  
mA  
μV  
dB  
Output Noise Voltage  
Supply Voltage Rejection  
eN  
100  
75  
SVR  
60  
VIN=8V, VRIPPLE=1Vpp  
IOUT=100mA  
1.00  
1.15  
1.20  
1.20  
0.01  
1.10  
1.25  
1.30  
1.30  
0.10  
IOUT=500mA  
Dropout Voltage  
VD  
V
IOUT=800mA  
I
OUT=1A  
Thermal Regulation  
TA=25°C, 30ms Pulse  
%/W  
For LD1117/A-ADJ  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN  
TYP  
1.25  
MAX  
UNIT  
V
Reference Voltage  
VREF VIN-VOUT=2V, IOUT=10mA, TJ=25°C  
VIN-VOUT=1.4 to 10V  
1.225  
1.275  
Reference Voltage  
Line Regulation  
Load Regulation  
VREF LD1117 : IOUT=10~800mA  
LD1117A : IOUT=10~1000mA  
ΔVOUT VIN-VOUT=1.5 to 13.75V, IOUT=10mA  
VIN-VOUT=3V  
ΔVOUT LD1117 : IOUT=10~800mA  
LD1117A : IOUT=10~1000mA  
ΔVOUT  
1.225  
1.25  
0.035  
0.1  
1.275  
0.2  
V
%
%
0.4  
Temperature stability  
Long Term Stability  
0.50  
0.3  
%
%
V
ΔVOUT 1000 hrs, TJ=125°C  
VIN  
Operating Input Voltage  
Adjustment Pin Current  
15  
IADJ  
VIN15V  
60  
1
120  
μA  
VIN-VOUT=1.4 to 10V,  
Adjustment Pin Current Change  
ΔIADJ LD1117 : IOUT=10 ~ 800mA  
LD1117A : IOUT=10 ~ 1000mA  
IO(MIN) VIN=15V  
5
5
μA  
Minimum Load Current  
Current Limit  
2
mA  
mA  
%
LD1117  
800  
ILIMIT VIN-VOUT=5V, TJ=25°C  
LD1117A 1000  
Output Noise (%Vo)  
Supply Voltage Rejection  
eN  
B=10Hz to 10KHz, TJ=25°C  
0.003  
75  
IOUT=40mA, f=120Hz, TJ=25°C,  
VIN-VOUT=3V, VRIPPLE=1Vpp  
IOUT=100mA  
SVR  
60  
dB  
1.00  
1.15  
1.20  
1.20  
0.01  
1.10  
1.25  
1.30  
1.30  
0.10  
IOUT=500mA  
Dropout Voltage  
VD  
V
IOUT=800mA  
I
OUT=1A  
Thermal Regulation  
TA=25°C, 30ms Pulse  
%/W  
UNISONIC TECHNOLOGIES CO., LTD  
9 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL APPLICATIONS  
UTC LD1117/A-XX  
IN  
VIN  
VOUT  
OUT  
GND/ADJ  
+
+
100µF  
10µF  
Fig.1 Tyncal Application Circuit  
UTC LD1117/A-XX  
VIN  
VOUT  
IN  
OUT  
GND/ADJ  
10µF  
10µF  
Fig.2 Tyncal Application Circuit (FOR MLCC)  
Fig.3 Negative Supply  
UNISONIC TECHNOLOGIES CO., LTD  
10 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
Fig.4 Active Terminator for SCSI-2 BUS  
Fig.5 Circuit for Increasing Output Voltage  
UNISONIC TECHNOLOGIES CO., LTD  
11 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
„
APPLICATION NOTE of LD1117/A ADJUSTABLE  
The LD1117/A adjustable has a reference voltage of between the OUT and ADJ/GND pins. IADJ is 60μA typ.  
(120µA max.) and ΔIADJ is 1μA typ. (5µA max.).  
R1 is normally fixed to 120Ω.  
From figure 4 we obtain:  
VOUT=VREF+R2(IADJ+IR1)=VREF + R2(IADJ+VREF/R1)=VREF(1+R2/R1) + R2 x IADJ.  
Usually R2 value is in the range of few K, so the R2 X IADJ product could be neglected; then the above  
expression becomes: VOUT=VREF(1+R2/R1)  
For better load regulation, realize a good Kelvin connection of R1 and R2 is important. Particularly R1  
connection must be realized very close to OUT and ADJ/GND pin, while R2 ground connection must be placed  
as near as possible to the negative Load pin. Ripple rejection can be improved by introducing a 10μF  
electrolytic capacitor placed in parallel to the R2 resistor (See Fig. 8)  
Fig.6 Adjustable Output Voltage Application Circuit  
Fig.7 Adjustable Output Voltage Application Circuit (FOR MLCC)  
Fig.8 Adjustable Output Voltage Application with improved Ripple Rejection.  
UNISONIC TECHNOLOGIES CO., LTD  
12 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL CHARACTERISTICS  
UNISONIC TECHNOLGIES CO., LTD  
13 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL CHARACTERISTICS(Cont.)  
Load Regulation  
Short-Circuit Current  
2.8  
2.4  
2.0  
1.6  
0.16  
ΔILOAD=1A  
0.12  
0.08  
0.04  
TJ=125°C  
TJ=25°C  
1.2  
0.8  
0
-0.04  
-0.08  
-0.12  
0.4  
0
0
5
10  
-50 -25  
0
25  
50  
75 100 125  
Input/Output Differential (V)  
Temperature (°C)  
Output Voltage vs. Temperautre  
VOUT Set With 1% Resistors  
Reference Voltge vs. Temperature  
3.70  
3.65  
3.60  
3.55  
3.50  
3.45  
3.40  
1.255  
1.250  
1.245  
1.240  
1.235  
1.230  
1.225  
1.220  
1.215  
VOUT=3.3V  
3.35  
3.30  
1.210  
1.205  
3.25  
3.20  
-75 -50 -25  
0
25 50 75 100 125 150 175  
-75  
-25  
0 25 50 75 100 125 150 175  
-50  
Junction Temperature(°C)  
Junction Temperature, TJ(°C)  
Maximum Power Dissipation  
Output Voltage vs. Temperautre  
VOUT Set With 1% Resistors  
10  
8
2.05  
2.00  
1.95  
1.90  
1.85  
1.80  
1.75  
TO-263 & TO-252  
6
4
SOT-223  
1.70  
1.65  
VOUT=1.8V  
2
0
1.60  
1.55  
25  
45  
65  
85  
105  
125  
-75 -50 -25  
0
25 50 75 100 125 150 175  
Case Temperature, TC(°C)  
Junction Temperature, TJ(°C)  
UNISONIC TECHNOLOGIES CO., LTD  
14 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL CHARACTERISTICS(Cont.)  
UTC assumes no responsibility for equipment failures that result from using products at values that  
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or  
other parameters) listed in products specifications of any and all UTC products described or contained  
herein. UTC products are not designed for use in life support appliances, devices or systems where  
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in  
whole or in part is prohibited without the prior written consent of the copyright owner. The information  
presented in this document does not form part of any quotation or contract, is believed to be accurate  
and reliable and may be changed without notice.  
UNISONIC TECHNOLOGIES CO., LTD  
15 of 15  
QW-R102-006.AC  
www.unisonic.com.tw  

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