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LP2951CSDX-3.3 on a board, in 3D

LP2951CSDX-3.3

Texas Instruments

-40℃~+125℃@(Tj) 1 100mA 100uVrms 3.3V 30V 380mV@(100mA) 75uA Fixed Over Current Protection、Over Temperature Protection、Enable、Short Circuit Protection Positive WSON-8-EP(4x4) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

Extended
DatasheetJLCPCBLCSCti/LP2951CSDX-3.3
Category
Linear Voltage Regulators (LDO)
Package
WSON-8-EP(4x4)
Pins
9

Overview

The LP2951CSDX-3.3 is a linear Voltage Regulator made by Texas Instruments in a WSON-8-EP(4x4) package with 9 pins. -40℃~+125℃@(Tj) 1 100mA 100uVrms 3.3V 30V 380mV@(100mA) 75uA Fixed Over Current Protection、Over Temperature Protection、Enable、Short Circuit Protection Positive WSON-8-EP(4x4) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LP2951ACSDX-3.3_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:WSON-8_L4.0-W4.0-P0.80-BL-EP-1, from EasyEDA), ready for a KiCad board. 10 are in stock at JLCPCB (part C2876145).

Symbol

OUT1SENSE2SHUTDOWN3GND4ERROR#5VTAP6FEEDBACK7IN8EP9
EasyEDA_Cloud:LP2951ACSDX-3.3_NOPBFrom EasyEDA

Footprint

123456789
EasyEDA_Cloud:WSON-8_L4.0-W4.0-P0.80-BL-EP-1From EasyEDA

Parameters

11
Features
Short Circuit Protection
Noise
100uVrms
Number of Outputs
1
Operating Temperature
-40℃~+125℃@(Tj)
Output Configuration
Positive
Output Current
100mA
Output Type
Fixed
Output Voltage
3.3V
Voltage - Supply
30V
Voltage Dropout
380mV@(100mA)
standby current
75uA

Order codes

1

Pinout

9
The pins of the LP2951CSDX-3.3
PinNameType
1OUTUnspecified
2SENSEUnspecified
3SHUTDOWNUnspecified
4GNDUnspecified
5ERROR#Unspecified
6VTAPUnspecified
7FEEDBACKUnspecified
8INUnspecified
9EPUnspecified

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Questions

Is there a KiCad symbol and footprint for the LP2951CSDX-3.3?

Yes. The symbol is EasyEDA_Cloud:LP2951ACSDX-3.3_NOPB and the footprint EasyEDA_Cloud:WSON-8_L4.0-W4.0-P0.80-BL-EP-1, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LP2951CSDX-3.3?

WSON-8-EP(4x4), with 9 pins. Its footprint is drawn on this page.

Where is the LP2951CSDX-3.3 datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the LP2951CSDX-3.3?

JLCPCB lists it as part C2876145, with 10 in stock; the sellers' links on this page open their listings.

What can replace the LP2951CSDX-3.3?

Parts like it in the library: the TLV1117-33IDRJR by Texas Instruments, the LP2989AILD-3.3 by Texas Instruments, the LP2951CSD-3.3 by Texas Instruments and the LP2986AILDX-3.3 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

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