UR1220 [UTC]
2A OUTPUT TYPE LOW POWER-LOSS VOLTAGE REGULATOR;![UR1220](http://pdffile.icpdf.com/pdf2/p00329/img/icpdf/UR1220_2022806_icpdf.jpg)
型号: | UR1220 |
厂家: | ![]() |
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 | 下载: | 下载PDF数据表文档文件 |
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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
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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
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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.
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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
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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
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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.
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