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ST732M33R on a board, in 3D

ST732M33R

STMicroelectronics

-40℃~+125℃@(Tj) 1 1.2V@(300mA) 200uA 28V 3.3V 300mA 70uVrms 75dB@(120Hz) Fixed Over Current Protection、Over Temperature Protection Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

Extended
DatasheetJLCPCBLCSCst/ST732M33R
Category
Voltage Regulators Linear, Low Drop Out (LDO) Regulators
Package
SOT-23-5
Pins
5

Overview

The ST732M33R is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by STMicroelectronics in a SOT-23-5 package with 5 pins. -40℃~+125℃@(Tj) 1 1.2V@(300mA) 200uA 28V 3.3V 300mA 70uVrms 75dB@(120Hz) Fixed Over Current Protection、Over Temperature Protection Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (corpus:ST732M33R_047a1b0f, from open boards on GitHub) and its footprint (Package_TO_SOT_SMD:SOT-23-5, from KiCad's library), ready for a KiCad board. 21 are in stock at JLCPCB (part C2971183). 5 open-source boards in 2 repositories on GitHub use it.

Symbol

GND1VIN2VOUT3NC4
corpus:ST732M33R_047a1b0fFrom open boards on GitHub

Footprint

12345
Package_TO_SOT_SMD:SOT-23-5From KiCad's library

From the datasheet

14
Supply, least
2.5 V · VIN, recommended operating min · p. 6
Supply, most
28 V · VIN, recommended operating max · p. 6
Supply, absolute maximum
30 V · VIN, absolute max · p. 5
Works from
-40 °C · Operating temperature min · p. 5
Works up to
125 °C · Operating temperature max · p. 5
Junction, hottest
125 °C · Junction temperature max · p. 7
Takes working
5 µA · VIN quiescent current typical, IOUT = 0 mA · p. 6
Gives
300 mA · Rated output current max · p. 1
Current limit
450 mA · Short-circuit current typical, RL = 0; depends on VIN - VOUT · p. 6
Output
3.3 V · ST732M33R fixed output nominal · p. 16
Dropout
200 mV · Dropout typical, IOUT = 100 mA · p. 6
Dropout
600 mV · Dropout typical, IOUT = 300 mA · p. 6
Junction to air (SOT23-5L)
190 K/W · Junction-ambient, 4-layer (2S2P) JEDEC test board · p. 5
Junction to case (SOT23-5L)
75 K/W · Junction-case thermal resistance · p. 5

What it is and has

6
Output voltage accuracy
± 2% · p. 1
Output current
Up to 300 mA · p. 1
Output capacitor
Stable with low ESR capacitors, 0.47 µF minimum · p. 1
Protection
Thermal shutdown · p. 1
Protection
Current limit · p. 1
Package
SOT23-5L · p. 1

Around it

3
cap 0.1 μF
between VIN and GND; Minimum capacitance; place close to VIN and return to clean analog ground. Good quality low-ESR ceramic suggested. · p. 7
cap 0.47 µF
between VOUT and GND; Minimum capacitance; good quality ceramic such as X5R/X7R, ESR 5–500 mΩ. Place close to VOUT and maintain capacitance and ESR over operating conditions. · p. 7
diode Schottky diode
between VOUT and GND; Connect in parallel with the output for strongly inductive loads to reduce damage from negative output spikes. · p. 8

Specifications

21
ParameterConditionsAs printedPage
DC input voltage VINAll values referred to GNDmin -0.3 · max 30 V5
DC output voltage VOUTAll values referred to GNDmin -0.3 · max 14 V5
Storage temperature range TSTmin -65 · max 150 °C5
Operating temperature range TOPmin -40 · max 125 °C5
Thermal resistance junction-ambient RthJASOT23-5L; 4-layer (2S2P) JEDEC test board constructed based on JESD 51-7 specificationtyp 190 °C/W5
Thermal resistance junction-case RthJCSOT23-5Ltyp 75 °C/W5
Human body model HBM±2 kVmin -2 · max 2 kV5
Charged device model CDM±500 Vmin -500 · max 500 V5
Operating input voltage VINTA = TJ = -40 °C to +125 °Cmin 2.5 · max 28 V6
Output voltage accuracy VOUTTJ = 25 °Cmin -1 · max 1 %6
Output voltage accuracy VOUT-40 °C < TJ < +125 °Cmin -3 · max 3 %6
Static line regulation ΔVOUTVIN = VOUT(NOM) + 1 V to 28 Vtyp 0.01 · max 0.05 %/V6
Static load regulation ΔVOUTIOUT = 1 mA to 300 mA (1)typ 0.0001 %/mA6
Dropout voltage VDROPIOUT = 100 mA, VIN = VOUT(NOM) - 0.1 Vtyp 200 · max 350 mV6
Dropout voltage VDROPIOUT = 300 mA, VIN = VOUT(NOM) - 0.1 Vtyp 600 · max 1200 mV6
Quiescent current IQIOUT = 0 mAtyp 5 · max 10 uA6
Quiescent current IQIOUT = 300 mAtyp 120 · max 200 uA6
Output noise voltage (2) eNf = 10 Hz to 100 kHz, IOUT = 10 mA COUT = 1 uF; guaranteed by design, not tested in productiontyp 70 uVRMS/VOUT6
Short-circuit current (3) ISCRL = 0; current limit depends on VIN - VOUTtyp 450 mA6
Thermal shutdown (2) TSHDNGuaranteed by design, not tested in productiontyp 160 °C6
Hysteresis (2) TSHDNGuaranteed by design, not tested in productiontyp 20 °C6

Pins, by the datasheet

5
1 GND
Ground · p. 3
2 VIN
Input voltage · p. 3
3 VOUT
Regulated output voltage · p. 3
4 NC
Not internally connected · p. 3
5 NC
Not internally connected · p. 3

Ordering codes, by the datasheet

1
ST732M33R
SOT23-5L · 3.3 V output; marking 233 · p. 16

Parameters

17
Current Limit
450mA
Features
Over Current Protection
Junction Temperature(Max)
125℃
Noise
70uVrms
Number of Outputs
1
Operating Temperature
-40℃~+125℃
Output Configuration
Positive
Output Current
300mA
Output Type
Fixed
Output Voltage
3.3V
Power Supply Rejection Ratio (PSRR)
75dB@(120Hz)
Thermal Resistance(Junction to Ambient)
190℃/W
Thermal Resistance(Junction to Case)
75℃/W
Voltage - Supply
2.5V~28V
Voltage - Supply(Absolute Max)
30V
Voltage Dropout
1.2V@(300mA)
standby current
5uA

Order codes

1

Pinout

5
The pins of the ST732M33R
PinNameType
1GNDPassive
2VINPassive
3VOUTPassive
4NCPassive
5NC_2Passive

Open-source boards using it

All 5
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    rete monitoraggio ambientale partecipativo documentation at https://doc.rmap.cc

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  • 6 layers126.8 × 99.9 mmStima V4 Master, the printed circuit board in 3D

    Stima V4 Master

    r-map/rmap

    rete monitoraggio ambientale partecipativo documentation at https://doc.rmap.cc

    177 parts55
  • 4 layers99.8 × 80.2 mmStima V4 Power, the printed circuit board in 3D

    Stima V4 Power

    r-map/rmap

    rete monitoraggio ambientale partecipativo documentation at https://doc.rmap.cc

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  • 4 layers80 × 65 mmBMS 4S S8254 ChargePort, the printed circuit board in 3D

    BMS 4S S8254 ChargePort

    dustin-lehmann/TWIPR

    See https://github.com/dustin-lehmann/TWIPR/wiki for descriptions on how to use the hardware and software

    148 parts1
  • 4 layers70 × 50 mmSimpleBMS v2, the printed circuit board in 3D

    SimpleBMS v2

    dustin-lehmann/TWIPR

    See https://github.com/dustin-lehmann/TWIPR/wiki for descriptions on how to use the hardware and software

    135 parts1

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Questions

Is there a KiCad symbol and footprint for the ST732M33R?

Yes. The symbol is corpus:ST732M33R_047a1b0f and the footprint Package_TO_SOT_SMD:SOT-23-5, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the ST732M33R?

SOT-23-5, with 5 pins. Its footprint is drawn on this page.

Where is the ST732M33R datasheet?

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

Where can I order the ST732M33R?

JLCPCB lists it as part C2971183, with 21 in stock; the sellers' links on this page open their listings.

What can replace the ST732M33R?

Parts like it in the library: the ME6211C33M5G-N by MICRONE, the SPX3819M5-L-3-3/TR by MaxLinear, the RT9013-33GB by RICHTEK and the XC6219B332MR by UMW. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the ST732M33R?

5 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8