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78RXX_1106 [UTC]

LOW DROPOUT VOLTAGE REGULATOR; 低压差稳压器
78RXX_1106
型号： 78RXX_1106
厂家： Unisonic Technologies    Unisonic Technologies
描述：

LOW DROPOUT VOLTAGE REGULATOR
低压差稳压器

稳压器
文件： 总12页 (文件大小：390K)
中文：  中文翻译
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UNISONIC TECHNOLOGIES CO., LTD  
78RXX  
LINEAR INTEGRATED CIRCUIT  
LOW DROPOUT VOLTAGE  
REGULATOR  
1
TO-220B  
„
DESCRIPTION  
As the UTC linear integrated LDO, the UTC 78RXX shows a  
high current, high accuracy, and specially low-dropout voltage. The  
features are: maximum 500mV dropout voltage, very low ground  
current. Cause the series have been designed for high current  
loads, so they are also used in lower current, extremely low  
dropout-critical systems (in which their tiny dropout voltage and  
ground current values are important attributes).  
1
TO-220F-4  
„
FEATURES  
* IOUT=1A ; VOUT=3.3V,5V,9V,12V (typ)  
* With ADJ version  
* Internal overcurrent protection, internal thermal shutdown  
* Internal overvoltage protection, internal short-circuit protection  
* Output disable function  
1
TO-252-5  
„
ORDERING INFORMATION  
Ordering Number  
Package  
Packing  
Lead Free  
Halogen Free  
78RXXL-TB5-T  
78RXXL-TF4-T  
78RXXL-TN5-R  
78RXXG-TB5-T  
78RXXG-TF4-T  
78RXXG-TN5-R  
TO-220B  
TO-220F-4  
TO-252-5  
Tube  
Tube  
Tape Reel  
Note: xx: output voltage, refer to Marking Information  
www.unisonic.com.tw  
1 of 12  
Copyright © 2011 Unisonic Technologies Co., Ltd  
QW-R102-035.F  
78RXX  
LINEAR INTEGRATED CIRCUIT  
„
MARKING INFORMATION  
PACKAGE  
VOLTAGE CODE  
MARKING  
33: 3.3V  
05: 5.0V  
09: 9.0V  
12: 12V  
TO-220F-4  
TO-252-5  
33: 3.3V  
05: 5.0V  
09: 9.0V  
12: 12V  
00: ADJ  
TO-220B  
„
PIN DESCRIPTIONS  
PIN NO.  
PIN NAME  
PIN FUNCTION  
TO-220F-4/TO-220B  
TO-252-5  
1
2
3
4
5
-
1
3
5
2
-
VIN  
VOUT  
GND  
VDIS  
ADJ  
NC  
Input voltage pin  
Output voltage pin  
GND  
Disable signal input pin  
Adjustable input pin ( FOR TO-220B )  
4
UNISONIC TECHNOLOGIES CO., LTD  
www.unisonic.com.tw  
2 of 12  
QW-R102-035.F  
78RXX  
LINEAR INTEGRATED CIRCUIT  
„
BLOCK DIAGRAM  
Fixed Output Voltage Versions  
Overvoltage  
Protection  
Bandgap  
Reference  
VIN  
1
-
+
Thermal  
Shutdown  
Q1  
SOA  
Protection  
R1  
2
VOUT  
Short-Circuit  
Protection  
High/Low  
Output  
ON/OFF  
-
+
R2  
1.4V  
3
4
VDIS  
GND  
UNISONIC TECHNOLOGIES CO., LTD  
www.unisonic.com.tw  
3 of 12  
QW-R102-035.F  
78RXX  
LINEAR INTEGRATED CIRCUIT  
„
BLOCK DIAGRAM  
Adjustable Output Voltage Version  
Overvoltage  
Protection  
Bandgap  
Reference  
VIN  
1
-
+
Thermal  
Shutdown  
Q1  
SOA  
Protection  
2
VOUT  
Short-Circuit  
Protection  
High/Low  
Output  
ON/OFF  
-
+
1.4V  
5
3
4
VDIS  
ADJ  
GND  
UNISONIC TECHNOLOGIES CO., LTD  
www.unisonic.com.tw  
4 of 12  
QW-R102-035.F  
78RXX  
LINEAR INTEGRATED CIRCUIT  
„
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified. )  
PARAMETER  
SYMBOL  
VIN  
RATINGS  
UNITS  
V
Input Voltage  
35  
35  
Disable Voltage  
Output Current  
VDIS  
V
IOUT  
1.0  
A
TO-220B/TO-220F-4  
TO-252-5  
1.5  
W
Power Dissipation  
PD  
1
W
Junction Temperature  
Operating Temperature  
TJ  
+150  
-40 ~ +85  
°C  
°C  
TOPR  
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.  
„
THERMAL DATA  
PARAMETER  
TO-220B/TO-220F-4  
SYMBOL  
RATING  
62.5  
110  
4
UNIT  
°C/W  
°C/W  
°C/W  
°C/W  
Junction to Ambient  
θJA  
TO-252-5  
TO-220B/TO-220F-4  
TO-252-5  
Junction to Case  
θJC  
12  
„
ELECTRICAL CHARACTERISTICS (IOUT =0.5A, TA = 25°C,unless otherwise specified)  
For 78R33 (VIN=5V)  
PARAMETER  
SYMBOL  
VOUT  
VD  
CONDITIONS  
MIN TYP MAX UNITS  
Output Voltage  
Dropout Voltage  
Load Regulation  
Line Regulation  
Quiescent Current  
Ripple Rejection  
VIN = 5V  
IOUT = 1A  
3.22  
3.3  
3.38  
0.5  
2.0  
2.5  
10  
V
V
ΔVOUT  
ΔVOUT  
IQ  
5mA < IOUT < 1A  
4V < VIN < 10V  
IOUT = 0 A  
0.1  
0.5  
％
％
mA  
dB  
V
RR  
(Note)  
45  
55  
High  
Low  
High  
Low  
VDISH  
VDISL  
IDISH  
Output Active  
Output Disabled  
VDIS = 2.7V  
2.0  
Disable Voltage  
0.8  
0.02  
-0.4  
V
mA  
mA  
Disable Bias Current  
IDISL  
VDIS = 0.4V  
For 78R05 (VIN=7V)  
PARAMETER  
SYMBOL  
VOUT  
VD  
CONDITIONS  
MIN TYP MAX UNITS  
Output Voltage  
Dropout Voltage  
Load Regulation  
Line Regulation  
Quiescent Current  
Ripple Rejection  
VIN = 7V  
4.88  
5
5.12  
0.5  
2.0  
2.5  
10  
V
V
IOUT = 1A  
ΔVOUT  
ΔVOUT  
IQ  
5mA < IOUT < 1A  
6V < VIN < 12V  
IOUT = 0 A  
0.1  
0.5  
％
%
mA  
dB  
V
RR  
(Note)  
45  
55  
High  
Low  
High  
Low  
VDISH  
VDISL  
IDISH  
Output Active  
Output Disabled  
VDIS = 2.7V  
VDIS = 0.4V  
2.0  
Disable Voltage  
0.8  
0.02  
-0.4  
V
mA  
mA  
Disable Bias Current  
IDISL  
UNISONIC TECHNOLOGIES CO., LTD  
www.unisonic.com.tw  
5 of 12  
QW-R102-035.F  
78RXX  
LINEAR INTEGRATED CIRCUIT  
„
ELECTRICAL CHARACTERISTICS(Cont.)  
For 78R09 (VIN=11V)  
PARAMETER  
SYMBOL  
VOUT  
VD  
CONDITIONS  
MIN TYP MAX UNITS  
Output Voltage  
VIN = 11V  
8.78  
9
9.22  
0.5  
2.0  
2.5  
10  
V
V
Dropout Voltage  
Load Regulation  
Line Regulation  
Quiescent Current  
Ripple Rejection  
IOUT = 1A  
ΔVOUT  
ΔVOUT  
IQ  
5mA < IOUT < 1A  
10V < VIN < 25V  
IOUT = 0 A  
0.1  
0.5  
％
％
mA  
Db  
V
RR  
(Note)  
45  
55  
High  
Low  
High  
Low  
VDISH  
VDISL  
IDISH  
Output Active  
Output Disabled  
VDIS = 2.7V  
VDIS = 0.4V  
2.0  
Disable Voltage  
0.8  
0.02  
-0.4  
V
mA  
mA  
Disable Bias Current  
IDISL  
For 78R12 (VIN=14V)  
PARAMETER  
SYMBOL  
VOUT  
VD  
CONDITIONS  
MIN TYP MAX UNITS  
Output Voltage  
VIN =14V  
11.71  
12  
12.29  
0.5  
V
V
Dropout Voltage  
Load Regulation  
Line Regulation  
Quiescent Current  
Ripple Rejection  
IOUT = 1A  
ΔVOUT  
ΔVOUT  
IQ  
5mA < IOUT < 1A  
13 V < VIN < 25V  
IOUT = 0 A  
0.1  
0.5  
2.0  
％
％
mA  
Db  
V
2.5  
10  
RR  
(Note)  
45  
55  
High  
Low  
High  
Low  
VDISH  
VDISL  
IDISH  
Output Active  
Output Disabled  
VDIS = 2.7V  
VDIS = 0.4V  
2.0  
Disable Voltage  
0.8  
0.02  
-0.4  
V
mA  
mA  
Disable Bias Current  
IDISL  
For 78R00-ADJ  
PARAMETER  
SYMBOL  
VOUT  
VD  
CONDITIONS  
MIN TYP MAX UNITS  
Output Voltage  
Dropout Voltage  
Load Regulation  
Line Regulation  
Quiescent Current  
Ripple Rejection  
1.22 1.25 1.28  
0.5  
V
V
IOUT = 1A  
ΔVOUT  
ΔVOUT  
IQ  
5mA < IOUT < 1A  
Vo+1V< VIN < Vo+7V  
IOUT = 0 A  
0.1  
0.5  
2.0  
2.5  
10  
％
%
mA  
dB  
V
RR  
(Note)  
45  
55  
High  
Low  
High  
Low  
VDISH  
VDISL  
IDISH  
Output Active  
Output Disabled  
VDIS = 2.7V  
2.0  
Disable Voltage  
0.8  
0.02  
-0.4  
V
mA  
mA  
Disable Bias Current  
IDISL  
VDIS = 0.4V  
Note: These guaranteed parameters, are not 100% tested in production.  
UNISONIC TECHNOLOGIES CO., LTD  
www.unisonic.com.tw  
6 of 12  
QW-R102-035.F  
78RXX  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL APPLICATION CIRCUIT  
Fixed Output Voltage Versions  
* CI is required if regulator is located an appreciable distance from power supply filter. [CI > 0.33μF (Electrolytic)]  
* Co improves stability and transient response. [CO > 47μF(Electrolytic)]  
Adjustable Output Voltage Version  
* CI is required if regulator is located an appreciable distance from power supply filter. [CI > 0.33μF (Electrolytic)]  
* Co improves stability and transient response. [CO > 47μF(Electrolytic)]  
UNISONIC TECHNOLOGIES CO., LTD  
www.unisonic.com.tw  
7 of 12  
QW-R102-035.F  
78RXX  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL CHARACTERISTICS  
(1) 78R33  
UNISONIC TECHNOLOGICO., LTD  
www.unisonic.com.tw  
8 of 12  
QW-R102-035.F  
78RXX  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL CHARACTERISTICS(Cont.)  
(2) 78R05  
Quiescent Current vs Input Voltage  
Output Voltage vs Input Voltage  
7
6
30  
25  
20  
15  
5
4
3
2
RL=∞  
RL=5Ω  
10  
5
RL= ∞  
1
0
0
0
5
10  
15  
0
5
10  
15  
20  
25  
Input Voltage, VIN (V)  
Input Voltage, VIN (V)  
UNISONIC TECHNOLOGES CO., LTD  
www.unisonic.com.tw  
9 of 12  
QW-R102-035.F  
78RXX  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL CHARACTERISTICS(Cont.)  
Output Voltage vs Temperature  
Quescent Current vs Temperature  
5.06  
5.04  
5.02  
5.00  
4.98  
4.96  
10  
8
6
4
2
4.94  
4.92  
0
-25  
0
25  
50  
75  
100  
125  
-25  
75  
100  
0
25  
50  
125  
Junction Temperature,TJ (°С)  
Junction Temperature,TJ (°С)  
(3) 78R09  
UNISONIC TECHNOLGIES CO., LTD  
www.unisonic.com.w  
10 of 12  
QW-R102-035.F  
78RXX  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL CHARACTERISTICS(Cont.)  
Overcurrent Protection Characteristics  
Output Voltage vs Disable Voltage  
10  
9
100  
80  
60  
8
7
6
5
40  
4
3
2
20  
0
1
0
0
0.5  
1
1.5  
2
2.5  
3
0
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
Output Current, IOUT (A)  
Disable Voltage, VDIS (V)  
Quescent Current vs Temperature  
Output Voltage vs Temperature  
9.06  
9.04  
9.02  
9.00  
10  
8
6
8.98  
8.96  
4
2
0
8.94  
8.92  
-25  
25  
75  
100  
0
50  
75  
100  
125  
0
25  
50  
125  
-25  
Junction Temperature, TJ (°С)  
Junction Temperature, TJ (°С)  
UNISONIC TECHNOLOGIES CO., LTD  
www.unisonic.com.tw  
11 of 12  
QW-R102-035.F  
78RXX  
LINEAR INTEGRATED CIRCUIT  
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  
www.unisonic.com.tw  
12 of 12  
QW-R102-035.F  

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