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LP2950L--33-S08-T [UTC]

Fixed Positive LDO Regulator, 3.3V, 0.6V Dropout, PDSO8, LEAD FREE, SOP-8;
LP2950L--33-S08-T
型号： LP2950L--33-S08-T
厂家： Unisonic Technologies    Unisonic Technologies
描述：

Fixed Positive LDO Regulator, 3.3V, 0.6V Dropout, PDSO8, LEAD FREE, SOP-8

光电二极管 输出元件 调节器
文件： 总9页 (文件大小：397K)
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UNISONIC TECHNOLOGIES CO., LTD  
LP2950/2951  
LINEAR INTEGRATED CIRCUIT  
100 mA LOW-DROPOUT  
VOLTAGE REGULATOR  
1
1
TO-92  
TO-252  
DESCRIPTION  
The UTC LP2950/2951 are monolithic integrated voltage regulators  
with low dropout voltage, and low quiescent current. It includes many  
features that suitable for different applications.  
SOP-8  
DIP-8  
FEATURES  
* Fixed output versions, 2.5V, 3V, 3.3V, 3.6V and 5V, are available.  
* High accuracy output voltage.  
1
* Extremely low quiescent current and dropout voltage.  
* Extremely tight load and line regulation.  
* Current and thermal limiting.  
DFN-8(3x3)  
* Very low temperature coefficient.  
* Logic controlled shutdown and err flog available for 8 pin package.  
* Output voltage programmable for LP2951.  
ORDERING INFORMATION  
Ordering Number  
Package  
Packing  
Lead Free  
LP2950L-xx-D08-T  
LP2950L-xx-S08-T  
LP2950L-xx-S08-R  
LP2950L-xx-T92-B  
LP2950L-xx-T92-K  
LP2950L-xx-TN3-T  
LP2950L-xx-TN3-R  
LP2950L-xx-K08-3030-R  
LP2951L-D08-T  
Halogen Free  
LP2950G-xx-D08-T  
LP2950G-xx-S08-T  
LP2950G-xx-S08-R  
LP2950G-xx-T92-B  
LP2950G-xx-T92-K  
LP2950G-xx-TN3-T  
LP2950G-xx-TN3-R  
LP2950G-xx-K08-3030-R  
LP2951G-D08-T  
DIP-8  
SOP-8  
Tube  
Tube  
SOP-8  
Tape Reel  
Tape Box  
Bulk  
TO-92  
TO-92  
TO-252  
TO-252  
DFN-8(3×3)  
DIP-8  
Tube  
Tape Reel  
Tape Reel  
Tube  
LP2951L-S08-T  
LP2951G-S08-T  
SOP-8  
Tube  
LP2951L-S08-R  
LP2951G-S08-R  
SOP-8  
Tape Reel  
Tape Reel  
LP2951L-K08-3030-R  
LP2951G-K08-3030-R  
DFN-8(3×3)  
Note: Pin Assignment: I:VIN O:VOUT G:GND  
www.unisonic.com.tw  
1 of 9  
Copyright © 2014 Unisonic Technologies Co., Ltd  
QW-R102-001.S  
LP2950/2951  
LINEAR INTEGRATED CIRCUIT  
MARKING INFORMATION (For LP2950)  
PACKAGE  
VOLTAGE CODE  
MARKING  
DIP-8  
SOP-8  
UTC  
L: Lead Free  
LP2950  
G: Halogen Free  
XX  
TO-92  
Voltage Code  
Date Code  
1
2
3
25: 2.5V  
33: 3.3V  
36:3.6V  
50:5.0V  
TO-252  
LP2950  
DFN-8(3×3)  
LP2951  
DFN-8(3×3)  
UNISONIC TECHNOLOGIES CO., LTD  
2 of 9  
QW-R102-001.S  
www.unisonic.com.tw  
UNISONIC TECHNOLOGIES CO., LTD  
LP2950/2951  
LINEAR INTEGRATED CIRCUIT  
PIN CONFIGURATIONS  
OUTPUT  
INPUT  
1
2
3
4
8
7
INPUT  
8
7
6
5
OUTPUT  
SENSE  
1
2
FEEDBACK  
SENSE  
SHUTDOWN  
GND  
FEEDBACK  
5V TAP  
UTC LP2951  
Top View  
UTC LP2951  
Bottom View  
5V TAP  
ERROR  
SHUTDOWN  
GND  
3
4
6
5
ERROR  
DFN-8(3×3) Plastic Package Top View  
DFN-8(3×3) Plastic Package Bottom View  
www.unisonic.com.tw  
Copyright © 2014 Unisonic Technologies Co., Ltd  
3 of 9  
QW-R102-001.S  
LP2950/2951  
LINEAR INTEGRATED CIRCUIT  
BLOCK DIAGRAM  
FOR LP2950  
FOR LP2951  
UNISONIC TECHNOLOGIES CO., LTD  
4 of 9  
QW-R102-001.S  
www.unisonic.com.tw  
LP2950/2951  
LINEAR INTEGRATED CIRCUIT  
ABSOLUTE MAXIMUM RATINGS  
PARAMETER  
SYMBOL  
VCC  
RATINGS  
-0.3 ~ +30  
UNIT  
V
Supply Voltage  
Feedback Voltage  
VFB  
-1.5 ~ +30  
V
Shutdown Voltage  
VSHDN  
PD  
-0.3 ~ +30  
V
Power Dissipation  
Internally Limited  
-40 ~ +125  
-65 ~ +150  
W
Operation Junction Temperature  
Storage Temperature  
TJ  
C  
C  
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  
160  
92  
UNIT  
TO-92  
TO-252  
Junction-to-Ambient  
Junction-to-Case  
SOP-8  
θJA  
90  
C/W  
DIP-8  
105  
59  
DFN-8(3×3)  
TO-92  
83  
TO-252  
6
θJC  
C/W  
SOP-8/DIP-8  
DFN-8(3×3)  
45  
10  
ELECTRICAL CHARACTERISTICS (TJ=25C, VIN=6V, IL=100A, CL=1μF, unless otherwise specified.)  
For All Version:  
PARAMETER  
SYMBOL  
VOUT  
TEST CONDITION  
TJ=25C (Note 1)  
-25C≦TJ≦+85C(Note 1)  
MIN  
TYP  
MAX  
UNIT  
VOUT×0.98 VOUT VOUT×1.02  
VOUT×0.98 VOUT VOUT×1.02  
V
V
V
Output Voltage  
Output Voltage  
VOUT 100A≦IL≦100mA, TJ≦TJ(max) VOUT×0.98 VOUT VOUT×1.02  
Output Voltage Temperature  
Coefficient  
TcVo  
20  
100  
ppm/C  
Line Regulation  
∆VOUT 6V≦VIN≦30V  
0.03  
0.04  
50  
0.1  
0.1  
80  
0.2  
0.2  
%
%
Load Regulation  
∆VOUT 100μA≦IL≦100 mA  
IL=100μA  
VD  
150  
600  
140  
14  
Dropout Voltage  
Ground Current  
mV  
IL=100mA (Note 2)  
380  
75  
450  
120  
12  
IL=100μA  
IG  
μA  
mA  
μA  
IL=100mA  
8
Dropout Ground Current  
Current Limit  
VIN=4.5V,IL=100μA  
110  
160  
170  
215  
200  
250  
430  
160  
100  
ILIMIT  
eN  
VOUT=0  
mA  
CL=1μF  
Output Noise (10Hz ~ 100KHz)  
(Bypass=0.01F pins 7 to 1  
(LP2951))  
CL=200μF  
CL=3.3μF  
μV  
UNISONIC TECHNOLOGIES CO., LTD  
5 of 9  
QW-R102-001.S  
www.unisonic.com.tw  
LP2950/2951  
LINEAR INTEGRATED CIRCUIT  
ELECTRICAL CHARACTERISTICS(Cont.)  
For UTC LP2951 8-Pin Version Only  
PARAMETER  
Reference Voltage  
SYMBOL  
VREF  
VREF  
TEST CONDITION  
MIN  
1.22  
1.19  
TYP  
MAX  
1.25  
1.27  
40  
UNIT  
V
1.235  
Reference Voltage  
Over temperature(Note 4)  
V
Feedback pin Bias Current  
Reference Voltage Temperature  
Coefficient  
IFB  
20  
50  
nA  
VREF(TC)  
IFB(TC)  
ppm/C  
nA/C  
Feedback Bias Current  
Temperature Coefficient  
Error Comparator  
0.1  
Output Leakage Current  
Output Low Voltage  
IO(LEAK) VOH=30V  
1
A  
mV  
VOL  
VIN=4.5V, IOL=400A  
250  
VTHU  
VTHL  
VHYS  
Upper  
Threshold Voltage  
Lower  
(Note 3)  
(Note 3)  
(Note 3)  
3.2  
2.0  
%VO  
%VO  
mV  
7.6  
Hysteresis  
15  
Shutdown Input  
Low  
Input Logic Voltage  
High  
VIL  
VIH  
Regulator ON  
Regulator OFF  
VSHDN=2.4V  
VSHDN=30V  
1.3  
0.70  
V
30  
50  
μA  
μA  
Shutdown Pin Input Current  
ISHDN  
IDFF  
450  
600  
Regulator Output Current  
Shutdown  
VSHDN≧2V, VIN≦30V, VOUT=0  
3
10  
μA  
Feedback pin tied to 5V Tap.  
Note: 1.Additional conditions for 8-pin versions are FB pin tied to 5VTAP, Output tied to Sense (VOUT=5V) and  
VSHDN0.8V .  
2.Dropout Voltage is defined as the input to output differential at which the output voltage drops 100mV below  
its nominal value measured at 1V differential.  
3.Comparator thresholds are expressed in terms of percentage value of voltage output.  
4.VREFVOUT(VIN-1V), 2.3VVIN30V, 100AIL100mA, TJTJ(MAX)  
UNISONIC TECHNOLOGIES CO., LTD  
6 of 9  
QW-R102-001.S  
www.unisonic.com.tw  
LP2950/2951  
LINEAR INTEGRATED CIRCUIT  
TYPICAL APPLICATION CIRCUIT  
10 Ampere Low Dropout Regulator  
CURRENT LIMIT  
SECTION  
+VIN=Vout+0.5V  
0.05  
680  
2N3906  
UTC  
D65H0  
470  
8
4.7M  
+VIN  
+VOUT 100m A  
100 F  
10k  
5
7
ERROR  
UTC LP2951  
R1  
SD  
4.7 F  
3
FB  
1%  
220  
GND  
4
Vout  
R2  
20k  
1
47  
0.033 F  
VOUT=1.23V*(1+R1/R2)  
For 5V output use internal resistors.Wire pin 6 to 7 and wire pin 2 to +VOUT  
Fig.1  
UTC LP2950-2.5  
V
IN  
V
OUT  
UTC LP2950-3.0  
UTC LP2950-3.3  
UTC LP2950-3.6  
UTC LP2950-5.0  
Fig.2  
UNISONIC TECHNOLOGIES CO., LTD  
7 of 9  
QW-R102-001.S  
www.unisonic.com.tw  
LP2950/2951  
LINEAR INTEGRATED CIRCUIT  
TYPICAL CHARACTERISTICS  
UNISONIC TECHNOLOGIES CO., LTD  
8 of 9  
QW-R102-001.S  
www.unisonic.com.tw  
LP2950/2951  
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  
9 of 9  
QW-R102-001.S  
www.unisonic.com.tw  

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