LDLN025M33R

STMicroelectronicsExtended

-40℃~+125℃@(Ta) 1 12uA 250mA 250mV@(250mA) 3.3V 5.5V 6.5uVrms 60dB@(100kHz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown、Enable control、Output discharge、Built-in soft-start Positive SOT-23-5L Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

Datasheet JLCPCB LCSC

Part id: st/LDLN025M33R
Category: Voltage Regulators, Linear, Low Drop Out (LDO) Regulators
Package: SOT-23-5L
Pins: 5
In stock: 490 at JLCPCB (C2970118)
Used on: 7 open-source boards

Overview

The LDLN025M33R is a voltage Regulators, Linear, Low Drop Out (LDO) Regulator made by STMicroelectronics in a SOT-23-5L package with 5 pins. -40℃~+125℃@(Ta) 1 12uA 250mA 250mV@(250mA) 3.3V 5.5V 6.5uVrms 60dB@(100kHz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown、Enable control、Output discharge、Built-in soft-start Positive SOT-23-5L Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (Pinmap_Generic:Regulator_Linear_1IN_2GND_3EN_4NC_5OUT, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_SMD:SOT-23-5, from KiCad's library), ready for a KiCad board. 490 are in stock at JLCPCB (part C2970118). 7 open-source boards in 7 repositories on GitHub use it.

Symbol

Pinmap_Generic:Regulator_Linear_1IN_2GND_3EN_4NC_5OUTFrom PCBKit's generic symbols

Footprint

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

From the datasheet

Supply, least: 1.5 V · VIN, recommended operating min · p. 6
Supply, most: 5.5 V · VIN, recommended operating max · p. 6
Supply, absolute maximum: 7 V · VIN, absolute max · p. 5
Junction, hottest: 150 °C · Maximum junction temperature · p. 5
Takes working: 12 µA · Typical quiescent current, IOUT = 0 A · p. 7
Takes asleep: 200 nA · Typical shutdown current, VEN = 0 V · p. 7
Gives: 250 mA · Rated output current max · p. 1
Current limit: 500 mA · Typical short-circuit current, VOUT = 0 V · p. 7
Output: 3.3 V · LDLN025M33R fixed nominal output · p. 21
Dropout: 50 mV · Typical dropout at IOUT = 0.1 A · p. 6
Dropout: 120 mV · Typical dropout at IOUT = 0.25 A · p. 6
Junction to air (SOT23-5L): 200 K/W · Junction-to-ambient thermal resistance · p. 5

What it is and has

Output noise: 6.5 μVRMS · p. 1
PSRR: 80 dB at 100 Hz, 60 dB at 100 kHz · p. 1
Output voltage accuracy: 2% across line, load and temperature · p. 1
Shutdown: Logic-controlled electronic shutdown · p. 1
Output discharge: Output discharge feature · p. 1
Soft-start: Internal · p. 1
Protection: Overcurrent and thermal protections · p. 1
Temperature range: -40 °C to +125 °C · p. 1
Package options: Flip-Chip4, DFN4-1x1, SOT23-5L · p. 1

Around it

cap 1 μF: between VIN and GND; Recommended typical input capacitance for stability; minimum 0.7 uF. · p. 7
cap 1 μF: between VOUT and GND; Recommended typical output capacitance for stability; range 0.7 to 10 uF. · p. 7

Specifications

Parameter	Conditions	As printed	Page
Input supply voltage VIN		min -0.3 · max 7 V	5
Output voltage VOUT	Range: -0.3 to VIN +0.3 V	min -0.3 V	5
Enable pin voltage EN	Range: -0.3 to VIN +0.3 V	min -0.3 V	5
Charge device model ESD	±1000 V	max 1000 V	5
Human body model ESD	±2000 V	max 2000 V	5
Operating junction temperature TJ-OP		min -40 · max 125 °C	5
Maximum junction temperature TJ-MAX		max 150 °C	5
Storage temperature TSTG		min -55 · max 150 °C	5
Thermal resistance, junction-to-ambient Rthja	SOT23-5L	typ 200 °C/W	5
Operating input voltage range VIN		min 1.5 · max 5.5 V	6
Output voltage accuracy (DFN and SOT23 packages) VOUT	SOT23; VOUT + 1 V < VIN < 5.5 V; 1 mA < IOUT < 0.25 A; VOUT ≥ 1.8 V; -40 °C < TJ < 125 °C; footnote 1	min -2 · max 2 %	6
Static line regulation ∆VOUT/∆VIN	VOUT + 1 V < VIN < 5.5 V; footnote 1	typ 0.02 %/V	6
Static line regulation ∆VOUT/∆VIN	VOUT + 1 V < VIN < 5.5 V; -40 °C < TJ < 125 °C; footnote 1	max 0.06 %/V	6
Line transient (2) ∆VOUT/∆VIN	∆VIN = +/- 0.6 V, trise = tfall = 30 us	min -1 · max 1 mV	6
Static load regulation ∆VOUT/∆IOUT	1 mA < IOUT < 0.25 A, VOUT ≥ 1.8 V	typ 0.002 %/mA	6
Static load regulation ∆VOUT/∆IOUT	-40 °C < TJ < 125 °C, VOUT ≥ 1.8 V	max 0.007 %/mA	6
Load transient(2) ∆VOUT/∆IOUT	∆IOUT = 1 mA to 250 mA and back, trise = tfall = 10 us	min -40 · max 40 mV	6
Overshoot on startup(2) ∆VOUT	Percentage of VOUT(nom)	max 5 %	6
Dropout voltage(3) VDROP	IOUT = 0.1 A	typ 50 mV	6
Dropout voltage(3) VDROP	IOUT = 0.25 A	typ 120 mV	6
Output noise voltage (2) eN	f = 10 Hz to 100 kHz; IOUT = 1 mA	typ 10 uVRMS	6
Output noise voltage (2) eN	f = 10 Hz to 100 kHz; IOUT = 250 mA	typ 6.5 uVRMS	6
Supply voltage rejection(2) SVR	f = 100 Hz; IOUT = 20 mA	typ 80 dB	6
Supply voltage rejection(2) SVR	f = 1 kHz; IOUT = 20 mA	typ 80 dB	6
Supply voltage rejection(2) SVR	f = 10 kHz; IOUT = 20 mA	typ 75 dB	6
Supply voltage rejection(2) SVR	f = 100 kHz; IOUT = 20 mA	typ 60 dB	7
Quiescent current(4) IQ	IOUT = 0 A	typ 12 uA	7
Quiescent current(4) IQ	IOUT = 0 A; -40 °C < TJ < 125 °C	max 25 uA	7
Quiescent current(4) IQ	IOUT = 0.25 A	typ 250 uA	7
Quiescent current(4) IQ	IOUT = 0.25 A; -40 °C < TJ < 125 °C	max 425 uA	7
Shutdown current IQ	VEN = 0 V	typ 0.2 · max 1 uA	7
Short-circuit current ISC	VOUT = 0 V	min 250 · typ 500 mA	7
Output discharge resistance RLOW	VEN = 0 V	typ 230 Ω	7
VIL, enable input logic low VEN	VOUT + 1 V < VIN < 5.5 V; -40 °C < TJ < 125 °C; footnote 1	max 0.4 V	7
VIH, enable input logic high VEN	VOUT + 1 V < VIN < 5.5 V; -40 °C < TJ < 125 °C; footnote 1	min 1.2 V	7
Enable pin input current IEN	VIN = VEN = 5.5 V	typ 5.5 uA	7
Enable pin input current IEN	VIN = 5.5 V; VEN = 0 V	typ 0.001 uA	7
Turn-on time(2) tON	From VEN > VIH to VOUT = 95 % of VOUT(nom)	typ 80 · max 150 us	7
Thermal shutdown(2) TSHDN	IOUT > 1 mA	typ 160 °C	7
Hysteresis TSHDN		typ 20 °C	7
Input capacitance CIN	Stability	min 0.7 · typ 1 uF	7
Output capacitance COUT	Stability	min 0.7 · typ 1 · max 10 uF	7
Output/input capacitance ESR		min 5 · max 500 mΩ	7

Pins, by the datasheet

1 VIN: LDO Supply voltage. · p. 3
2 GND: Ground. · p. 3
3 EN: Enable input: high turns the device on; low turns it off. Internally pulled down via 1 MΩ resistor. · p. 3
4 NC: Not internally connected; can be connected to GND. · p. 3
5 VOUT: LDO Output voltage. · p. 3

Ordering codes, by the datasheet

LDLN025M33R: SOT23-5L · 3.3 V output; LN33 marking; tape and reel. · p. 21

Parameters

Current Limit: 500mA
Features: Short Circuit Protection
Junction Temperature(Max): 150℃
Noise: 6.5uVrms
Number of Outputs: 1
Operating Temperature: -40℃~+125℃@(Ta)
Output Configuration: Positive
Output Current: 250mA
Output Type: Fixed
Output Voltage: 3.3V
Power Supply Rejection Ratio (PSRR): 60dB@(100kHz)
Thermal Resistance(Junction to Ambient): 200℃/W
Voltage - Supply: 1.5V~5.5V
Voltage - Supply(Absolute Max): 7V
Voltage Dropout: 250mV@(250mA)
standby current: 12uA

Order codes

LDLN025M33RLCSC C2970118

Pinout

The pins of the LDLN025M33R
Pin	Name	Type
1	IN	Power in
2	GND	Power in
3	EN	Input
4	NC	Not connected
5	OUT	Power out

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Parts like it

Questions

Is there a KiCad symbol and footprint for the LDLN025M33R?

Yes. The symbol is Pinmap_Generic:Regulator_Linear_1IN_2GND_3EN_4NC_5OUT 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 LDLN025M33R?

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

Where is the LDLN025M33R datasheet?

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

Where can I order the LDLN025M33R?

JLCPCB lists it as part C2970118, with 490 in stock; the sellers' links on this page open their listings.

What can replace the LDLN025M33R?

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 LDLN025M33R?

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

LDLN025M33R

Overview

Symbol

Footprint

From the datasheet

What it is and has

Around it

Specifications

Pins, by the datasheet

Ordering codes, by the datasheet

Open-source boards using it

Merge

Analisador Bode

Datalogger

Kit Analogico

Kit Medidor Corrente

Medidor Energia

PCB Mouse

Parts like it

ME6211C33M5G-N

SPX3819M5-L-3-3/TR

RT9013-33GB

XC6219B332MR

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TPLP5907MFX-3.3

RT9078-33GJ5

TLV75533PDBV