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LDO40LPU33RY

STMicroelectronicsExtended

-40℃~+125℃@(Tj) 1 20uVrms 3.3V 38V 400mA 45uA 70dB@(1kHz) Fixed Over Current Protection、Thermal Shutdown Positive DFN-6(3x3) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

DatasheetJLCPCBLCSC
Part id
st/LDO40LPU33RY
Category
Voltage Regulators, Linear, Low Drop Out (LDO) Regulators
Package
DFN-6(3x3)
Pins
7
In stock
75 at JLCPCB (C2970462)
Used on
12 open-source boards

Overview

The LDO40LPU33RY is a voltage Regulators, Linear, Low Drop Out (LDO) Regulator made by STMicroelectronics in a DFN-6(3x3) package with 7 pins. -40℃~+125℃@(Tj) 1 20uVrms 3.3V 38V 400mA 45uA 70dB@(1kHz) Fixed Over Current Protection、Thermal Shutdown Positive DFN-6(3x3) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (Regulator_Linear:LDO40LPU33RY, from KiCad's library) and its footprint (Package_DFN_QFN:DFN-6-1EP_3x3mm_P0.95mm_EP1.7x2.6mm, from KiCad's library), ready for a KiCad board. 75 are in stock at JLCPCB (part C2970462). 12 open-source boards in 7 repositories on GitHub use it.

Symbol

GND1EN2Vin3Vout4Vsense5
Regulator_Linear:LDO40LPU33RYFrom KiCad's library

Footprint

1234567
Package_DFN_QFN:DFN-6-1EP_3x3mm_P0.95mm_EP1.7x2.6mmFrom KiCad's library

From the datasheet

12
Supply, least
3.5 V · VIN, minimum operating voltage, device on · p. 6
Supply, most
38 V · VIN, maximum operating voltage, device on · p. 6
Supply, absolute maximum
40 V · VIN, absolute maximum · p. 5
Works from
-40 °C · Minimum operating temperature · p. 1
Works up to
125 °C · Maximum operating temperature · p. 1
Junction, hottest
150 °C · Maximum operating junction temperature, absolute rating · p. 5
Takes working
45 µA · Typical quiescent current, IOUT = 0 to 1 mA · p. 6
Takes asleep
200 nA · Typical shutdown current, VEN = 0 V, VIN = 13.2 V · p. 7
Gives
400 mA · Maximum rated output current · p. 1
Current limit
1.6 A · Typical short-circuit current, VIN = 6 V, VOUT = 0 V · p. 7
Junction to air (DFN6)
42 K/W · Junction-to-ambient thermal resistance, 4-layer JEDEC PCB with 2 thermal vias · p. 5
Junction to case (DFN6)
5 K/W · Junction-to-case thermal resistance · p. 5

What it is and has

6
Qualification
AEC-Q100 qualified · p. 1
Output current
Up to 400 mA · p. 1
Output voltage accuracy
±1% typical at 25 °C · p. 1
Output voltage accuracy
±3%, including line, load and temperature variation · p. 1
Protection
Current limitation, thermal shutdown · p. 1
Package
DFN6 (3x3), wettable flanks · p. 1

Specifications

34
ParameterConditionsAs printedPage
Input supply voltage VINmin -0.3 · max 40 V5
Output voltage VOUT, VSENSEmin -0.3 · max 12 V5
Enable pin voltage VENUpper limit VINmin -0.3 V5
Charge device model ESD±500 Vmin -500 · max 500 V5
Human body model ESD±2000 Vmin -2000 · max 2000 V5
Operating junction temperature range TJmin -40 · max 150 °C5
Storage temperature TSTGmin -65 · max 150 °C5
Thermal resistance, junction-to-ambient RthJADFN6; 4-layer JEDEC PCB (2S2P) test board with 2 thermal viastyp 42 °C/W5
Thermal resistance, junction-to-case RthJCDFN6typ 5 °C/W5
Operating input voltage range VINDevice Onmin 3.5 · max 38 V6
Operating input voltage range VINMinimum input voltage for regulation; VIN-MIN = VOUT + VDROP or 5 V, whichever is greatermax 38 V6
Operating output voltage range VOUTmin 2.5 · max 11 V6
Output voltage accuracy (fixed version) VOUTVOUT + 1 V or 5 V, whichever is greater, < VIN < 18 V; 0.1 mA < IOUT < 400 mA; -40 °C < TJ < 125 °Cmin -3 · max 3 %6
Output voltage accuracy (fixed version) VOUTTJ = 25 °Cmin -1 · max 1 %6
Static line regulation ΔVOUT/ΔVINVOUT + 1 V or 5 V, whichever is greater, < VIN < 18 V; IOUT = 1 mAtyp 0.002 · max 0.02 %/V6
Static load regulation ΔVOUT/ΔIOUT0.1 mA < IOUT < 400 mAtyp 0.0001 · max 0.002 %/mA6
Dropout voltage VDROPIOUT = 0.1 A; VOUT = 5 V; output voltage 100 mV below nominaltyp 36 · max 70 mV6
Dropout voltage VDROPIOUT = 0.4 A; VOUT = 5 V; output voltage 100 mV below nominaltyp 140 · max 270 mV6
Output noise voltage eNf = 10 Hz to 100 kHz; IOUT = 10 mAtyp 20 uVRMS/VOUT6
Supply voltage rejection SVRVOUT = 5 V; f = 100 Hz; IOUT = 10 mAtyp 77 dB6
Supply voltage rejection SVRVOUT = 5 V; f = 1 kHz; IOUT = 10 mAtyp 70 dB6
Supply voltage rejection SVRVOUT = 5 V; f = 10 kHz; IOUT = 10 mAtyp 45 dB6
Supply voltage rejection SVRVOUT = 11 V; f = 100 Hz; IOUT = 10 mAtyp 77 dB6
Supply voltage rejection SVRVOUT = 11 V; f = 1 kHz; IOUT = 10 mAtyp 68 dB6
Supply voltage rejection SVRVOUT = 11 V; f = 10 kHz; IOUT = 10 mAtyp 42 dB6
Quiescent current IQIOUT = 0 to 1 mAtyp 45 · max 90 uA6
Quiescent current IQIOUT = 400 mAtyp 80 · max 140 uA7
Shutdown current IQVEN = 0 V, VIN = 13.2 Vtyp 0.2 · max 2.2 uA7
Short-circuit current ISCVIN = 6 V, VOUT = 0 Vmin 1.2 · typ 1.6 A7
Enable input logic low, VEN-L VENmax 0.65 V7
Enable input logic high, VEN-H VENmin 2.7 V7
Enable pin input current IENVIN = 6 V, VEN = 5 Vtyp 0.5 · max 1.5 uA7
Thermal shutdown TSHDNtyp 175 °C7
Hysteresis TSHDNtyp 25 °C7

Pins, by the datasheet

7
1 GND
Ground. · p. 3
2 EN
High enables the device; low turns it off. Do not leave floating. · p. 3
3 VIN
LDO supply voltage. · p. 3
4 VOUT
LDO output voltage. · p. 3
5 VSENSE
Output sensing pin; must be connected to VOUT. · p. 3
6 ADJ / NC
Not internally connected in the fixed version. · p. 3
Exposed pad TAB / Exposed pad
Must be connected to GND. · p. 3

Open-source boards using it

12See all 12
  • 6 layers56.8 × 27 mmCansatperso, the printed circuit board in 3D

    Cansatperso

    mathieupommery/CANSAT_ARES_ENSEA

    projet cansat

    186 parts6
  • 4 layers82 × 96 mmKeyboard, the printed circuit board in 3D

    Keyboard

    Kruk1/keyboard_pcb

    67 parts
  • 4 layers52.5 × 34.7 mmWHEEL-07, the printed circuit board in 3D

    WHEEL-07

    PGRacing/WHEEL-07

    98 parts
  • 2 layers93.6 × 94.2 mmMp3Player, the printed circuit board in 3D

    Mp3Player

    Tritonsspace/MP3PlayerPCB

    65 parts
  • 6 layers28.4 × 27 mmCansatperso, the printed circuit board in 3D

    Cansatperso

    mathieupommery/CANSAT_ARES_ENSEA

    projet cansat

    104 parts6
  • 6 layers24.9 × 26.7 mmCansatperso, the printed circuit board in 3D

    Cansatperso

    mathieupommery/CANSAT_ARES_ENSEA

    projet cansat

    107 parts6
  • 2 layers82.3 × 43.4 mmCarte sensors, the printed circuit board in 3D

    Carte sensors

    mathieupommery/CANSAT_ARES_ENSEA

    projet cansat

    115 parts6
  • 8 layers50 × 48.6 mmPCB PAPI, the printed circuit board in 3D

    PCB PAPI

    mathieupommery/ESE_2526_ROBOTCHATDELAMUERTE

    We first wanted to make a three omniwheeled robot with FOC control on brushless motors.

    169 parts1

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the LDO40LPU33RY?

Yes. The symbol is Regulator_Linear:LDO40LPU33RY and the footprint Package_DFN_QFN:DFN-6-1EP_3x3mm_P0.95mm_EP1.7x2.6mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LDO40LPU33RY?

DFN-6(3x3), with 7 pins. Its footprint is drawn on this page.

Where is the LDO40LPU33RY datasheet?

STMicroelectronics publishes it: the Datasheet link on this page opens it.

Where can I order the LDO40LPU33RY?

JLCPCB lists it as part C2970462, with 75 in stock; the sellers' links on this page open their listings.

What can replace the LDO40LPU33RY?

Parts like it in the library: the AMS1117-3.3 by Advanced Monolithic Systems, the AMS1117-3.3 by UMW, the ME6211C33M5G-N by MICRONE and the SPX3819M5-L-3-3/TR by MaxLinear. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the LDO40LPU33RY?

12 boards in 7 repositories on GitHub; the most starred are listed on this page, with their KiCad files.