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UR1220G-TN3-D-T [UTC]

2A OUTPUT TYPE LOW POWER-LOSS VOLTAGE REGULATOR;
UR1220G-TN3-D-T
型号： UR1220G-TN3-D-T
厂家： Unisonic Technologies    Unisonic Technologies
描述：

2A OUTPUT TYPE LOW POWER-LOSS VOLTAGE REGULATOR

瞄准线 输出元件
文件： 总6页 (文件大小：283K)
中文：  中文翻译
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UNISONIC TECHNOLOGIES CO., LTD  
URXX20  
LINEAR INTEGRATED CIRCUIT  
2A OUTPUT TYPE LOW  
POWER-LOSS VOLTAGE  
REGULATOR  
„
FEATURES  
1
* Low power-loss(Dropout voltage: 0.5V(max) at IOUT=2.0A)  
* 2.0A output type  
TO-252  
* Output voltage precision: ±3.0%  
* Built-in ON/OFF control function and over-current protection  
circuit.  
* Thermal shutdown protection.  
„
ORDERING INFORMATION  
Ordering Number  
Pin Assignment  
Package  
Packing  
Lead Free  
Halogen Free  
1
I
2
3
URXX20L-TN3-D-T  
URXX20L-TN3-D-R  
URXX20G-TN3-D-T  
URXX20G-TN3-D-R  
TO-252  
TO-252  
G
G
O
O
Tube  
I
Tape Reel  
Note: Pin Assignment: I: INPUT G: GND O: OUTPUT  
www.unisonic.com.tw  
1 of 6  
Copyright © 2013 Unisonic Technologies Co., Ltd  
QW-R102-052.A  
URXX20  
LINEAR INTEGRATED CIRCUIT  
„
MARKING INFORMATION  
PACKAGE  
VOLTAGE CODE  
MARKING  
TO-252  
12 :12V  
„
BLOCK DIAGRAM  
UNISONIC TECHNOLOGIES CO., LTD  
2 of 6  
QW-R102-052.A  
www.unisonic.com.tw  
URXX20  
LINEAR INTEGRATED CIRCUIT  
ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified.)  
PARAMETER  
SYMBOL  
VIN  
RATINGS  
20  
UNIT  
V
Input Voltage(Note1)  
Output Current  
IOUT  
2.0  
A
Power Dissipation  
PD  
0.7  
W
Junction Temperature (Note2)  
TJ  
150  
°C  
°C  
°C  
Operating Temperature  
TOPR  
TSTG  
-40 ~ +85  
-40 ~ +150  
Storage Temperature  
Note 1: All are open except GND and applicable terminals.  
Note 2: Overheat protection may operate at 125≦TJ≦150°C  
ELECTRICAL CHARACTERISTICS (Refer to the test circuits, unless otherwise specified, TA=25°C)  
For UR1220(12V)  
PARAMETER TYP MAX UNIT  
„
SYMBOL  
TEST CONDITIONS  
MIN  
11.64 12.0 12.36  
Output Voltage  
VOUT VIN =14V, IOUT=1A  
V
%
Line Regulation  
ΔVOUT VIN =13~19V, IOUT=5mA  
ΔVOUT VIN =14V, IOUT=5mA~2.0A  
TCVO TJ=0~125°C, IOUT=5mA  
0.5  
0.1  
2.5  
2.0  
Load Regulation  
%
Temperature Coefficient of Output Voltage  
Ripple Rejection  
±0.02  
55  
%/°C  
dB  
V
RR  
VD  
IQ  
Refer to Fig.2  
45  
Dropout Voltage  
(Note 1), IOUT=2A  
IOUT =0A, VIN =14V  
0.5  
10  
Quiescent Current  
mA  
Note: Input voltage shall be the value when output voltage is 95% in comparison with the initial value.  
UNISONIC TECHNOLOGIES CO., LTD  
3 of 6  
QW-R102-052.A  
www.unisonic.com.tw  
URXX20  
LINEAR INTEGRATED CIRCUIT  
„
TEST CIRCUITS  
Fig.1  
+
1
3
IO  
ei  
47μF  
+
eo  
V
2
0.33μF  
RL  
VIN  
VIN=12V(UR1020)  
f=120Hz  
ei=0.5Vrms  
Io=0.5A  
RR=20log (ei/eo)  
„
TYPICAL APPLICATION  
UNISONIC TECHNOLOGIES CO., LTD  
4 of 6  
QW-R102-052.A  
www.unisonic.com.tw  
URXX20  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL CHARACTERISTICS  
Fig.4 Output Voltage vs .Input Voltage  
(UR1220)  
Fig.3 Output Voltage Deviation vs .Junction  
Temperature (UR1220)  
250  
20  
VIN=18V  
200  
Io=0.5A  
150  
15  
10  
100  
50  
RL=∞Ω  
RL=12Ω  
RL=6Ω  
0
-50  
5
0
-100  
-150  
-200  
-25  
0
25  
50  
75  
100  
125  
0
5
10  
15  
20  
25  
)
N (V)  
ge, VI  
TJ (°C  
volta  
Input  
ature,  
mper  
ion te  
Junct  
Fig.6 Dropout Voltage vs .Junction  
Temperature (UR1220)  
Fig.5 Circuit Operating Current vs .Input  
Voltage (UR1220)  
80  
0.5  
0.4  
60  
40  
0.3  
0.2  
RL=6Ω  
RL=12Ω  
20  
0
0.1  
0
RL=∞Ω  
-25  
0
25  
50  
75  
100  
125  
0
5
10  
15  
20  
25  
IN (V)  
ge, V  
)
re, TJ (°C  
t volta  
Inpu  
eratu  
temp  
Ju  
nction  
UNISONIC TECHNOLOGIES CO., LTD  
5 of 6  
QW-R102-052.A  
www.unisonic.com.tw  
URXX20  
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  
6 of 6  
QW-R102-052.A  
www.unisonic.com.tw  

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