LD1117AG-12-AA3-D-T [UTC]

Fixed Positive LDO Regulator, 1.2V, 1.3V Dropout, BIPolar, PDSO4, HALOGEN FREE, SOT-223, 4 PIN;
LD1117AG-12-AA3-D-T
型号: LD1117AG-12-AA3-D-T
厂家: Unisonic Technologies    Unisonic Technologies
描述:

Fixed Positive LDO Regulator, 1.2V, 1.3V Dropout, BIPolar, PDSO4, HALOGEN FREE, SOT-223, 4 PIN

光电二极管 输出元件 调节器
文件: 总15页 (文件大小:422K)
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  
* Support MLCC  
ORDERING INFORMATION  
Ordering Number  
Packing  
Package  
Pin Assignment  
Lead Free  
Halogen Free  
LD1117L-xx-AA3--  
LD1117L-xx-AB3--  
LD1117L-xx-TA3--  
LD1117L-xx-TF3--  
LD1117L-xx-TN3--  
LD1117L-xx-TQ2--  
LD1117L-xx-TQ3--  
LD1117L-xx-S08--  
LD1117G-xx-AA3--  
LD1117G-xx-AB3--  
LD1117G-xx-TA3--  
LD1117G-xx-TF3--  
LD1117G-xx-TN3--  
LD1117G-xx-TQ2--  
LD1117G-xx-TQ3--  
LD1117G-xx-S08--  
SOT-223  
SOT-89  
TO-220  
TO-220F  
TO-252  
TO-263  
TO-263-3  
SOP-8  
1
G
O
G
I
2
O
G
I
Pin Code  
3
I
A
B
C
D
I
R: Tape Reel  
T: Tube  
O
O
G
GOOIxOOx  
Note: Pin Assignment: I: VIN O: VOUT  
G: GND/ADJ  
(1) R: Tape Reel, T: Tube  
(2) refer to Pin Assignment  
LD1117 L-xx-AA3-  
-
(1)Packing Type  
(3) AA3: SOT-223, AB3: SOT-89, TA3:TO-220,  
(3) TF3: TO-220F, TN3: TO-252, TQ2: TO-263,  
(3) TQ3: TO-263-3, S08: SOP-8  
(2)Pin Assignment  
(3)Package Type  
(4)Output Voltage Code  
(5)Lead Plating  
(4) xx: refer to Marking Information  
(5) L: Lead Free, G: Halogen Free  
(6) Blank: 800mA, A: 1A  
(6)Current Code  
www.unisonic.com.tw  
1 of 15  
Copyright © 2013 Unisonic Technologies Co., Ltd  
QW-R102-006.AI  
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  
SOP-8  
Note: Current code: Blank: 0.8A  
A: 1A  
PIN CONFIGURATION of SOP-8  
GND/  
ADJ  
1
NC  
8
7
VOUT  
VOUT  
VOUT  
VIN  
2
3
4
6
5
VOUT  
NC  
UNISONIC TECHNOLOGIES CO., LTD  
2 of 15  
QW-R102-006.AI  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
BLOCK DIAGRAM  
UNISONIC TECHNOLOGIES CO., LTD  
3 of 15  
QW-R102-006.AI  
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  
Operating Temperature (Note 2)  
Storage temperature  
TJ  
°C  
°C  
°C  
TOPR  
TSTG  
-20 ~ +125  
-65 ~ +150  
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  
RATINGS  
15  
UNIT  
V
Input Voltage  
VIN  
TJ  
Operating Junction Temperature  
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  
Junction to Case  
θJA  
TO-252  
TO-220  
TO-263  
SOT-223  
SOT-89  
SOP-8  
64  
15  
50  
20  
θJC  
TO-252  
TO-220  
TO-263  
12  
4
4
UNISONIC TECHNOLOGIES CO., LTD  
4 of 15  
QW-R102-006.AI  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
ELECTRICAL CHARACTERISTICS  
(TA=25°C, refer to the test circuits, TJ=0 ~ 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  
VOUT VIN=2.7 to 8V, IOUT=10mA  
VIN=2.7V  
VOUT LD1117 : IOUT=10~800mA  
LD1117A : IOUT=10~1000mA  
VOUT  
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  
%
%
VOUT 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  
V  
I
OUT=40mA, f=120Hz, TJ=25°C,  
Supply Voltage Rejection  
SVR  
60  
75  
dB  
VIN=4.2V, VRIPPLE =1VPP  
I
OUT=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  
IOUT=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  
VOUT VIN=3 to 8V, IOUT=0mA  
VIN=3V  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
VOUT  
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  
%
%
VOUT 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  
V  
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  
I
OUT=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  
IOUT=1A  
Thermal Regulation  
TA=25°C, 30ms Pulse  
%/W  
UNISONIC TECHNOLOGIES CO., LTD  
5 of 15  
QW-R102-006.AI  
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  
VOUT VIN=3.3 to 8V, IOUT=0mA  
VIN=3.3V  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
VOUT  
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  
%
%
VOUT 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  
V  
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  
I
OUT=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  
IOUT=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  
VOUT VIN=3.9 to 10V, IOUT=0mA  
VIN=3.9V  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
VOUT  
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  
%
%
VOUT 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  
V  
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  
I
OUT=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  
IOUT=1A  
Thermal Regulation  
TA=25°C, 30ms Pulse  
%/W  
UNISONIC TECHNOLOGIES CO., LTD  
6 of 15  
QW-R102-006.AI  
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  
VOUT VIN=4.25 to 10V, IOUT=0mA  
VIN=4.25V  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
VOUT  
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  
%
%
VOUT 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  
V  
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  
I
OUT=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  
IOUT=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  
VOUT VIN=4.5 to 12V, IOUT=0mA  
VIN=4.5V  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
VOUT  
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  
%
%
VOUT 1000 hrs, TJ=125°C  
VIN  
IQ  
IOUT=100mA  
15  
10  
V
VIN15V  
5
mA  
LD1117  
LD1117A 1000  
B=10Hz to 10KHz, TJ=25C  
800  
Current Limit  
ILIMIT VIN=8V, TJ=25°C  
mA  
V  
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  
IOUT=1A  
1.00  
1.15  
1.20  
1.20  
0.01  
1.10  
1.25  
1.30  
1.30  
0.10  
Dropout Voltage  
VD  
V
Thermal Regulation  
TA=25°C, 30ms Pulse  
%/W  
UNISONIC TECHNOLOGIES CO., LTD  
7 of 15  
QW-R102-006.AI  
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  
VIN=4.75 to 10V  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
VOUT VIN=4.75 to 15V, IOUT=0mA  
VIN=4.75V  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
VOUT  
3.234  
3.300  
3.234  
3.300  
3.366  
6
V
1
1
mV  
mV  
10  
Temperature stability  
Long Term Stability  
Operating Input Voltage  
Quiescent Current  
0.5  
0.3  
%
%
VOUT 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=8.3V, TJ=25°C  
mA  
V  
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  
IOUT=1A  
1.00  
1.15  
1.20  
1.20  
0.01  
1.10  
1.25  
1.30  
1.30  
0.10  
Dropout Voltage  
VD  
V
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  
VOUT VIN=5 to 15V, IOUT=0mA  
VIN=5V  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
VOUT  
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  
%
%
VOUT 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  
V  
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  
I
OUT=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  
IOUT=1A  
Thermal Regulation  
TA=25°C, 30ms Pulse  
%/W  
UNISONIC TECHNOLOGIES CO., LTD  
8 of 15  
QW-R102-006.AI  
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  
VIN=6.5 to 15V  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1.0A  
VOUT VIN=6.5 to 15V, IOUT=0mA  
VIN=6.5V  
VOUT LD1117 : IOUT=0~800mA  
LD1117A : IOUT=0~1000mA  
VOUT  
4.900  
5.000  
4.900  
5.000  
5.100  
10  
V
1
1
mV  
mV  
15  
Temperature stability  
Long Term Stability  
Operating Input Voltage  
Quiescent Current  
0.5  
0.3  
%
%
VOUT 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  
IOUT=40mA, f=120Hz, TJ=25°C,  
VIN=8V, VRIPPLE=1VPP  
OUT=100mA  
800  
Current Limit  
ILIMIT VIN=10V, TJ=25°C  
mA  
V  
dB  
Output Noise Voltage  
Supply Voltage Rejection  
eN  
100  
75  
SVR  
60  
I
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  
IOUT=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  
VOUT VIN-VOUT=1.5 to 13.75V, IOUT=10mA  
VIN-VOUT=3V  
VOUT LD1117 : IOUT=10~800mA  
LD1117A : IOUT=10~1000mA  
VOUT  
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
VOUT 1000 hrs, TJ=125°C  
VIN  
Operating Input Voltage  
Adjustment Pin Current  
15  
IADJ  
VIN15V  
60  
1
120  
A  
VIN-VOUT=1.4 to 10V,  
Adjustment Pin Current Change  
IADJ LD1117 : IOUT=10 ~ 800mA  
LD1117A : IOUT=10 ~ 1000mA  
IO(MIN) VIN=15V  
5
5
A  
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  
SVR  
60  
dB  
I
OUT=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  
IOUT=1A  
Thermal Regulation  
TA=25°C, 30ms Pulse  
%/W  
UNISONIC TECHNOLOGIES CO., LTD  
9 of 15  
QW-R102-006.AI  
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.AI  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
TYPICAL APPLICATIONS(Cont.)  
110  
110  
UTC LD1117/A-  
2.85V  
18-27  
Lines  
110  
110  
OUT  
IN  
22µF  
+
+
GND/ADJ  
4.75V  
to  
5.25V  
10µF  
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.AI  
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 IADJ is 1μA typ. (5µA max.).  
R1 is normally fixed to 120.  
From figure 6 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.AI  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
TYPICAL CHARACTERISTICS  
UNISONIC TECHNOGIES CO., LTD  
13 of 15  
QW-R102-006.AI  
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.AI  
www.unisonic.com.tw  
LD1117/A  
LINEAR INTEGRATED CIRCUIT  
TYPICAL CHARACTERISTICS(Cont.)  
Output Voltage vs. Temperautre  
VOUT Set With 1% Resistors  
Safe Operating Area vs. Capacitor ESR  
2.70  
2.65  
2.60  
2.55  
2.50  
2.45  
2.40  
10  
8
6
4
IO=10mA~1.0A  
2.35  
2.30  
VOUT=2.5V  
2
0
2.25  
2.20  
2
4
6
8
10  
0
-75 -50 -25  
0 25 50 75 100125150 175  
CO (µF)  
Junction Temperature, TJ(°C)  
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.AI  
www.unisonic.com.tw  

相关型号:

LD1117AG-50-AA3-A-R

Fixed Positive LDO Regulator, 5V, 1.3V Dropout, BIPolar, PDSO4, HALOGEN FREE, SOT-223, 4 PIN
UTC

LD1117AG-AD-AA3-A-R

Adjustable Positive LDO Regulator, 1.3V Dropout, PDSO3, HALOGEN FREE, SOT-223, 3 PIN
UTC

LD1117AG-AD-SO8-D-R

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

LD1117AG-AD-TA3-C-R

Adjustable Positive LDO Regulator, 1.3V Dropout, PSFM3, HALOGEN FREE, TO-220, 3 PIN
UTC

LD1117AG-AD-TA3-C-T

Adjustable Positive LDO Regulator, 1.3V Dropout, PSFM3, HALOGEN FREE, TO-220, 3 PIN
UTC

LD1117AG-AD-TA3-D-T

Adjustable Positive LDO Regulator, 1.3V Dropout, PSFM3, HALOGEN FREE, TO-220, 3 PIN
UTC

LD1117AH

LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
UTC

LD1117AHG-33-AA3-A-R

LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
UTC

LD1117AL

LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
UTC

LD1117AL-12-AA3-A-R

LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
UTC

LD1117AL-12-AA3-B-R

LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
UTC

LD1117AL-12-AA3-C-R

LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
UTC