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ST1L05CPU33R on a board, in 3D

ST1L05CPU33R

STMicroelectronics

0.003%Vout 0℃~+125℃@(Tj) 1 1.3A 3.3V 5.5V 500mV@(1.3A) 650uA 65dB@(120Hz) Fixed Over Current Protection、Thermal shutdown、Enable control Positive DFN-6(3x3) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

Extended
DatasheetJLCPCBLCSCst/ST1L05CPU33R
Category
Voltage Regulators Linear, Low Drop Out (LDO) Regulators
Package
DFN-6(3x3)
Pins
7

Overview

The ST1L05CPU33R is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by STMicroelectronics in a DFN-6(3x3) package with 7 pins. 0.003%Vout 0℃~+125℃@(Tj) 1 1.3A 3.3V 5.5V 500mV@(1.3A) 650uA 65dB@(120Hz) Fixed Over Current Protection、Thermal shutdown、Enable control Positive DFN-6(3x3) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:ST1L05CPU33R, from EasyEDA) and its footprint (EasyEDA_Cloud:DFN-6_L3.0-W3.0-P0.95-BL-EP-1, from EasyEDA), ready for a KiCad board. 88 are in stock at JLCPCB (part C2969933). 3 open-source boards in 3 repositories on GitHub use it.

Symbol

EN1GND2NC3VO4VO_SENSE5VI6EP7
EasyEDA_Cloud:ST1L05CPU33RFrom EasyEDA

Footprint

1234567
EasyEDA_Cloud:DFN-6_L3.0-W3.0-P0.95-BL-EP-1From EasyEDA

From the datasheet

14
Supply, least
4.5 V · VI, recommended operating min · p. 11
Supply, most
5.5 V · VI, recommended operating max · p. 11
Supply, absolute maximum
7 V · VI, absolute maximum · p. 8
Junction, hottest
150 °C · Operating junction temperature absolute max · p. 8
Takes working
350 µA · Quiescent current typical, VI = 5.5 V, IO = 2 mA to 1.3 A · p. 11
Takes asleep
1 µA · Shutdown consumption max, stated as lower than 1 uA · p. 20
Gives
1.3 A · Output current capability max · p. 1
Current limit
1.3 A · Output current limit min, VI = 5.5 V · p. 11
Output
3.3 V · Fixed output typical, VI = 4.75 V to 5.25 V, T = 25 °C · p. 11
Dropout
200 mV · Dropout typical at IO = 0.8 A · p. 11
Dropout
250 mV · Dropout typical at IO = 1 A · p. 11
Dropout
300 mV · Dropout typical at IO = 1.3 A · p. 11
Junction to case (DFN6)
10 K/W · Junction-case thermal resistance · p. 8
Junction to air (DFN6)
55 K/W · Junction-ambient thermal resistance · p. 8

What it is and has

5
Output voltage tolerance
± 2% at 25 °C · p. 1
Enable
Enable function · p. 1
Output capacitor compatibility
Low ESR ceramic capacitors · p. 1
Protection
Thermal shutdown with hysteresis · p. 1
Protection
Overcurrent protection · p. 1

Around it

2
cap 4.7 µF
between VI and GND; Ceramic input bypass capacitor; connect within 1 cm of VI. · p. 7
cap 4.7 µF
between VO and GND; Ceramic output bypass capacitor; place 1 cm from the output pin. · p. 7

Specifications

32
ParameterConditionsAs printedPage
DC supply voltage VImin -0.3 · max 7 V8
DC output voltage VOmin -0.3 · max 7 V8
Enable pin ENmin -0.3 · max 7 V8
Adjust pin or VO sense ADJ/VOUT_SENSEVO sensemax 4 V8
Operating junction temperature range TOPmin 0 · max 150 °C8
Storage temperature range(1) TSTGStorage temperature > 125 °C is acceptable only if the regulator is soldered to a PCBA.min -65 · max 150 °C8
Lead temperature (soldering) 10 seconds TLEADmax 260 °C8
Thermal resistance junction-case RthJCDFN6typ 10 °C/W8
Thermal resistance junction-ambient RthJADFN6typ 55 °C/W8
Human body model HBMmax 2 kV8
Machine model MMmax 150 V8
Output voltage VOVI = 4.75 V to 5.25 V, T = 25 °Cmin 3.234 · typ 3.3 · max 3.366 V11
Output voltage VOVI = 4.75 V to 5.25 V; TJ = 0 to 125 °Cmin 3.2175 · typ 3.3 · max 3.3825 V11
Line regulation ΔVOVI = 4.75 V to 5.25 Vmax 15 mV11
Load regulation ΔVOVI = 4.75 V, IO = 10 mA to 1.3 Atyp 15 · max 30 mV11
Output current limit ISVI = 5.5 Vmin 1.3 A11
Minimum output current for regulation IOMINmax 0 mA11
Dropout voltage VdIO = 0.8 Atyp 0.2 · max 0.4 V11
Dropout voltage VdIO = 1 Atyp 0.25 · max 0.45 V11
Dropout voltage VdIO = 1.3 Atyp 0.3 · max 0.5 V11
Quiescent current IQVI = 5 V, IO = 2 mA to 1.3 A, T = 25 °Ctyp 350 · max 500 uA11
Quiescent current IQVI = 5.5 V, IO = 2 mA to 1.3 Atyp 350 · max 650 uA11
Enable threshold high VEN_HVI = 4.5 V to 5.25, IO = 50 mAmin 2 V11
Enable threshold low VEN_LVI = 4.5 V to 5.25, IO = 50 mAmax 0.8 V11
Enable pin current IENVEN = VI = 5 Vmax 2 uA11
Supply voltage rejection(1) SVRVI = 5 ± 0.5 V, IO = 5 mA, f = 120 Hz; guaranteed by designmin 50 · typ 65 dB11
RMS output noise(1) eNB = 10 Hz to 10 kHz, VI = 5 V, IO = 5 mA; guaranteed by designtyp 0.003 %VO11
Load transient (rising) (1)(2) ΔVO/ΔIOVI = 5 V, any 200 mA step from 100 mA to 1.3 A, tR ≥ 1 us; CI = CO = 10 uF, X7R ceramic; guaranteed by designmax 5 %VO11
Load transient (falling)(1)(2) ΔVO/ΔIOVI = 5 V, IO = 1.3 A to 10 mA, tF ≥ 1 us; CI = CO = 10 uF, X7R ceramic; guaranteed by designmax 3.6 V11
Start-up transient (1)(2) ΔVO/ΔVIVI = 0 V to 5 V, IO = 10 mA to 1.3 A, tR ≥ 1 us; CI = CO = 10 uF, X7R ceramic; guaranteed by designmax 3.5 V11
Short-circuit removal response (1)(2) ΔVO/ΔIOVI = 5 V, IO = short to 10 mA; CI = CO = 10 uF, X7R ceramic; guaranteed by designmax 3.5 V11
Thermal shutdown trip point(1) TSHVI = 5 V; guaranteed by designtyp 165 °C11

Pins, by the datasheet

7
1 EN
Enable pin with internal pull-up to VI. · p. 7
2 GND
Ground pin. · p. 7
3 N.C.
Not connected. · p. 7
4 VO
Output voltage pin; bypass with a 4.7 uF capacitor to GND. · p. 7
5 VO_SENSE
VO sense. · p. 7
6 VI
Supply voltage input pin; bypass with a 4.7 uF capacitor to GND. · p. 7
Exposed GND
Exposed pad has to be connected to GND. · p. 7

Ordering codes, by the datasheet

5
ST1L05PU25R
DFN6 (3x3 mm) · 2.5 V output · p. 1
ST1L05APU33R
DFN6 (3x3 mm) · 3.3 V output; ST1L05A pinout · p. 1
ST1L05BPUR
DFN6 (3x3 mm) · Adjustable output · p. 1
ST1L05CPU33R
DFN6 (3x3 mm) · 3.3 V output; ST1L05C pinout · p. 1
ST1L05DPUR
DFN8 (4x4 mm) · Adjustable output · p. 1

Parameters

17
Current Limit
1.3A
Features
Over Current Protection
Junction Temperature(Max)
150℃
Noise
0.003%Vout
Number of Outputs
1
Operating Temperature
0℃~+125℃@(Tj)
Output Configuration
Positive
Output Current
1.3A
Output Type
Fixed
Output Voltage
3.3V
Power Supply Rejection Ratio (PSRR)
65dB@(120Hz)
Thermal Resistance(Junction to Ambient)
55℃/W
Thermal Resistance(Junction to Case)
10℃/W
Voltage - Supply
4.5V~5.5V
Voltage - Supply(Absolute Max)
7V
Voltage Dropout
500mV@(1.3A)
standby current
350uA

Order codes

1

Pinout

7
The pins of the ST1L05CPU33R
PinNameType
1ENUnspecified
2GNDUnspecified
3NCUnspecified
4VOUnspecified
5VO_SENSEUnspecified
6VIUnspecified
7EPUnspecified

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    Schematics etc.

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Questions

Is there a KiCad symbol and footprint for the ST1L05CPU33R?

Yes. The symbol is EasyEDA_Cloud:ST1L05CPU33R and the footprint EasyEDA_Cloud:DFN-6_L3.0-W3.0-P0.95-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 ST1L05CPU33R?

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

Where is the ST1L05CPU33R datasheet?

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

Where can I order the ST1L05CPU33R?

JLCPCB lists it as part C2969933, with 88 in stock; the sellers' links on this page open their listings.

What can replace the ST1L05CPU33R?

Parts like it in the library: the ST1L05APU33R by STMicroelectronics, the AZ1117CH-3.3TRG1 by Diodes Incorporated, the LM1084S-3.3/TR by HGSEMI and the UZ1085L-33-TN3-R by UTC. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the ST1L05CPU33R?

3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8