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LR33328BL-AG6-R [UTC]

Fixed Positive LDO Regulator, 2 Output, 3.3V1, 2.8V2, CMOS, PDSO6, LEAD FREE, SOT-26, 6 PIN;
LR33328BL-AG6-R
型号： LR33328BL-AG6-R
厂家： Unisonic Technologies    Unisonic Technologies
描述：

Fixed Positive LDO Regulator, 2 Output, 3.3V1, 2.8V2, CMOS, PDSO6, LEAD FREE, SOT-26, 6 PIN

光电二极管 输出元件 调节器
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UNISONIC TECHNOLOGIES CO., LTD  
LR3XXYYB  
CMOS IC  
150mA 2CH LDO REGULATOR  
DESCRIPTION  
The UTC LR3XXYYB are CMOS voltage regulator ICs that have  
4
high output voltage accuracy, low dropout, low supply current, and  
high ripple rejection. Every voltage regulator IC of UTC LR3XXYYB  
series consists of an error amplifier, a voltage reference unit, a  
current limit circuit, resistors for setting output voltage, and a chip  
enable circuit.  
5
6
3
2
1
SOT-26  
Due to built-in transistor with low ON resistance and a chip  
enable function these ICs perform with low dropout voltage prolongs  
the battery life of each system. The load transient response and line  
transient response of the UTC LR3XXYYB Series are excellent, so  
these ICs are suitable for hand-held communication equipment  
power supply.  
FEATURES  
* Low supply current: Typ. 60µA  
* Standby mode:  
Typ. 0.1µA  
* Low dropout voltage  
* High ripple rejection  
* Low temperature-drift coefficient of output voltage  
* Excellent line regulation  
* High output voltage accuracy  
* Output voltage stepwise setting with a step of 0.1V in the range of  
1.5V ~ 3.3V is possible  
* Built-in fold-back protection circuit Typ. 40mA  
(current at short mode)  
* Ceramic capacitor is recommended. (1.0µF or more)  
ORDERING INFORMATION  
Ordering Number  
Lead Free  
Package  
SOT-26  
Packing  
Tape Reel  
Halogen Free  
LR3XXYYBG-AG6-R  
LR3XXYYBL-AG6-R  
Note: XXYY: Output Voltage, refer to Marking Information.  
www.unisonic.com.tw  
1 of 8  
Copyright © 2013 Unisonic Technologies Co., Ltd  
QW-R125-002.F  
LR3XXYYB  
CMOS IC  
MARKING INFORMATIONS  
VOLTAGE CODE  
MARKING  
PACKAGE  
XX  
YY  
12:1.2V  
12:1.2V  
15:1.5V  
15:1.5V  
15:1.5V  
18:1.8V  
18:1.8V  
28:2.8V  
30:3.0V  
28:2.8V  
33:3.3V  
12:1.2V  
18:1.8V 25:2.5V  
18:1.8V 28:2.8V  
18:1.8V 30:3.0V  
SOT-26  
18:1.8V  
33:3.3V  
28:2.8V 12:1.2V  
28:2.8V 15:1.5V  
28:2.8V 18:1.8V  
28:2.8V 33:3.3V  
33:3.3V 15:1.5V  
33:3.3V 18:1.8V  
33:3.3V 28:2.8V  
33:3.3V 33:3.3V  
PIN CONFIGURATIONS  
PIN DESCRIPTION  
PIN NO.  
PIN NAME  
EN1  
DESCRIPTION  
1
2
3
4
5
6
Channel 1’s output enable control Pin  
VIN  
Voltage Input pin  
EN2  
Channel 2’s output enable control Pin  
Channel 2’s voltage output  
Ground  
VOUT2  
GND  
VOUT1  
Channel 1’s voltage output  
UNISONIC TECHNOLOGIES CO., LTD  
2 of 8  
QW-R125-002.F  
www.unisonic.com.tw  
LR3XXYYB  
CMOS IC  
BLOCK DIAGRAM  
EN1  
1
6
VOUT1  
VREF  
R1-1  
R2-1 Current Limit  
VIN  
GND  
5
2
Current Limit  
R2-2  
VREF  
R1-2  
VOUT2  
4
3
EN2  
UNISONIC TECHNOLOGIES CO., LTD  
3 of 8  
QW-R125-002.F  
www.unisonic.com.tw  
LR3XXYYB  
CMOS IC  
ABSOLUTE MAXIMUM RATINGS  
PARAMETER  
SYMBOL  
VIN  
RATINGS  
6.5  
UNIT  
V
Input Voltage  
Input Voltage (EN)  
Output Voltage  
VEN  
6.5  
V
VOUT  
-0.3 ~ VIN + 0.3  
700  
V
Output Current  
IOUT1+ IOUT2  
PD  
mA  
mW  
°C  
°C  
Power Dissipation  
Operating Temperature  
Storage Temperature  
420  
TOPR  
-40 ~ +85  
-55 ~ +125  
TSTG  
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  
SYMBOL  
RATING  
250  
UNIT  
°C/W  
Junction to Ambient  
θJA  
ELECTRICAL CHARACTERISTICS  
PARAMETER  
SYMBOL  
VOUT  
TEST CONDITIONS  
MIN  
VOUT  
×0.98  
150  
TYP  
MAX  
VOUT  
×1.02  
UNIT  
V
Output Voltage  
VIN=Set VOUT+1V, 1mA≤IOUT≤30mA  
Output Current  
IOUT  
∆VLOAD  
∆VLINE  
VD  
VIN−VOUT=1.0V  
mA  
mV  
Load Regulation  
Line Regulation  
VIN=Set VOUT+1V, 1mA≤IOUT≤150mA  
Set VOUT+0.5V≤VIN≤6.0V, IOUT=30mA  
Refer to the Electrical Characteristics by Output Voltage  
15  
40  
0.02  
0.10  
%/V  
Dropout Voltage  
Supply Current  
ISS  
VIN=Set VOUT+1V (Both LDOs)  
VIN=Set VOUT+1V VCE=GND  
90  
120  
1.0  
µA  
µA  
Supply Current (Standby)  
ISTN-BY  
0.1  
Ripple 0.5Vp−p, VIN=Set VOUT+1V  
Power Supply Ripple  
Rejection  
75 (Note1)  
65 (Note2)  
PSRR  
I
OUT=30mA (In case that VOUT≤1.7V,  
dB  
VIN=Set VOUT+1.2V)  
Input Voltage  
VIN  
ꢀVOUT  
ꢀTOPR  
2.0  
6.0  
V
ppm /°C  
mA  
Output Voltage  
IOUT=30mA, -40°C≤TOPR≤85°C  
±100  
40  
Temperature Coefficient  
Short Current Limit  
Pull-Down Resistance for  
EN Pin  
ISC(LIMIT) VOUT=0V  
RPD  
0.7  
1.5  
2.0  
8.0  
0.3  
MΩ  
EN Input Voltage “H”  
EN Input Voltage “L”  
Output Noise  
VCEH  
VCEL  
V
V
eN  
BW=10Hz ~100kHz  
VCE=0V  
30  
60  
µVrms  
Low Output Nch Tr. ON  
Resistance (of B version)  
RLOW  
Ω
Notes: 1. f=1kHz, 70dB as to VOUT≥2.5V Output type.  
2. f=10kHz, 60dB as to VOUT≥2.5V Output type.  
ELECTRICAL CHARACTERISTICS BY OUTPUT VOLTAGE  
Dropout Voltage, VD (V)  
Output Voltage VOUT (V)  
CONDITION  
IOUT=150mA  
TYP  
0.40  
0.38  
0.35  
0.33  
0.32  
0.28  
0.22  
MAX  
0.75  
0.70  
0.65  
0.60  
0.55  
0.50  
0.35  
VOUT=1.2  
VOUT=1.5  
VOUT=1.6  
VOUT=1.7  
1.8≤VOUT≤2.0  
2.1≤VOUT ≤2.7  
2.8≤VOUT≤3.3  
UNISONIC TECHNOLOGIES CO., LTD  
4 of 8  
QW-R125-002.F  
www.unisonic.com.tw  
LR3XXYYB  
CMOS IC  
TEST CIRCUITS  
UTC  
LR3XXYYB  
EN2  
GND  
EN1  
VOUT2  
C3  
1μF  
VIN  
V
VOUT2  
IOUT2  
C1  
1μF  
VOUT1  
C2  
1μF  
IOUT1  
VOUT1  
V
Fig.1 Standard Test Circuit  
Fig.2 Supply Current Test Circuit  
UNISONIC TECHNOLOGIES CO., LTD  
5 of 8  
QW-R125-002.F  
www.unisonic.com.tw  
LR3XXYYB  
CMOS IC  
TEST CIRCUITS(Cont.)  
Fig.3 Ripple Rejection, Line Transient Response Test Circuit  
Fig.4 Load Transient Response Test Circuit  
UNISONIC TECHNOLOGIES CO., LTD  
6 of 8  
QW-R125-002.F  
www.unisonic.com.tw  
LR3XXYYB  
CMOS IC  
TYPICAL APPLICATION CIRCUIT  
UTC  
LR3XXYYB  
EN2  
OUT2  
OUT1  
VOUT2  
C3  
1μF  
GND  
VIN  
IN  
C1  
1μF  
EN1  
VOUT1  
C2  
1μF  
UNISONIC TECHNOLOGIES CO., LTD  
7 of 8  
QW-R125-002.F  
www.unisonic.com.tw  
LR3XXYYB  
CMOS IC  
TYPICAL CHARACTERISTICS  
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  
8 of 8  
QW-R125-002.F  
www.unisonic.com.tw  

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