LP2950 Unisonic Technologies, LP2950 Datasheet

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LP2950

Manufacturer Part Number
LP2950
Description
Manufacturer
Unisonic Technologies
Datasheet

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0
Note: Pin Assignment: I:V
LP2950/2951
100 mA LOW-DROPOUT
VOLTAGE REGULATOR
regulators with low dropout voltage, and low quiescent current. It
includes many features that suitable for different applications.
* Fixed output versions, 2.5V, 3V, 3.3V, 3.6V and 5V, are available.
* High accuracy output voltage.
* Extremely low quiescent current and dropout voltage.
* Extremely tight load and line regulation.
* Current and thermal limiting.
* Very low temperature coefficient.
* Logic controlled shutdown and err flog available for 8 pin package.
* Output voltage programmable for LP2951.
www.unisonic.com.tw
Copyright © 2008 Unisonic Technologies Co., Ltd
The UTC LP2950/2951
ORDERING INFORMATION
OUTPUT VOLTAGE
DESCRIPTION
FEATURES
OUTPUT VOLTAGE CODE(For LP2950)
LP2950-xx-TN3-R
LP2950-xx-D08-T
LP2950-xx-S08-T
LP2950-xx-S08-R
LP2950-xx-TN3-T
LP2950-xx-T92-B
LP2950-xx-T92-K
LP2951-D08-T
LP2951-S08-R
LP2951-S08-T
2.5V
3.0V
3.3V
3.6V
5.0V
Normal
UNISONIC TECHNOLOGIES CO., LTD
Ordering Number
IN
O:V
are monolithic integrated
OUT
CODE
25
30
33
36
50
G:GND
LP2950L-xx-TN3-R
LP2950L-xx-D08-T
LP2950L-xx-S08-R
LP2950L-xx-TN3-T
LP2950L-xx-S08-T
LP2950L-xx-T92-B
LP2950L-xx-T92-K
Lead Free Plating
LP2951L-D08-T
LP2951L-S08-R
LP2951L-S08-T
voltage
Package
TO-252
TO-252
SOP-8
SOP-8
SOP-8
SOP-8
TO-92
TO-92
DIP-8
DIP-8
LINEAR INTEGRATED CIRCUIT
*Pb-free plating product number:
1
LP2950L-XX/LP2951L
SOP-8
Tape Reel
Tape Reel
Tape Reel
TO-92
Tape Box
Packing
Tube
Tube
Tube
Tube
Tube
Bulk
1
DIP-8
TO-252
QW-R102-001.K
1 of 7

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LP2950 Summary of contents

Page 1

... LP2950-xx-S08-T LP2950-xx-S08-R LP2950-xx-T92-B LP2950-xx-T92-K LP2950-xx-TN3-T LP2950-xx-TN3-R LP2951-D08-T LP2951-S08-T LP2951-S08-R Note: Pin Assignment: I:V O:V IN OUT OUTPUT VOLTAGE CODE(For LP2950) OUTPUT VOLTAGE 2.5V 3.0V 3.3V 3.6V 5.0V www.unisonic.com.tw Copyright © 2008 Unisonic Technologies Co., Ltd voltage Lead Free Plating LP2950L-xx-D08-T LP2950L-xx-S08-T LP2950L-xx-S08-R ...

Page 2

... LP2950/2951 PIN CONFIGURATIONS UTC LP2950 1 2 OUTPUT GND TO-92 Plastic Package Bottom View OUTPUT 1 SENSE 2 UTC LP2951 SHUTDOWN 3 GND 4 SOP-8 OR DIP-8 PACKAGE FOR UTC LP2951 BLOCK DIAGRAM FEEDBACK UNREGULATED DC SHUT DOWN FROM CMOS 3 OR TTL UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT ...

Page 3

... LP2950/2951 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Feedback Voltage Shutdown Voltage Operation Junction Temperature Storage Temperature 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. ...

Page 4

... LP2950/2951 ELECTRICAL CHARACTERISTICS(Cont.) For UTC LP2951 8-Pin Version Only PARAMETER SYMBOL Shutdown Input Low Input Logic Voltage High Shutdown Pin Input Current Regulator Output Current Shutdown Note 1:Additional conditions for 8-pin versions are FB pin tied to 5V ≤0.8V. V SHDN Note 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 ...

Page 5

... LINEAR INTEGRATED CIRCUIT +V =V t+0. 0.05 UTC 470 D65H0 10k 5 ERROR UTC LP2951 GND Vout Fig.1 UTC LP2950-2.5 UTC LP2950-3.0 UTC LP2950-3.3 UTC LP2950-3.6 UTC LP2950-5.0 Fig 100m A OUT 100 F 4.7 F OUT V OUT QW-R102-001.K ...

Page 6

... LP2950/2951 TYPICAL CHARACTERISTICS UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT QW-R102-001 ...

Page 7

... LP2950/2951 TYPICAL CHARACTERISTICS(Cont.) UTC assum es no responsibility for equipm ent failures that result from using products at v alues that exceed entarily, rated v alues (such as m axim um ratings, operating condition ranges, or other param eters) listed in products specifications of any and all UTC products described or contained herein ...

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