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L7805CV on a board, in 3D

L7805CV

STMicroelectronics

0℃~+125℃@(Tj) 1 1.5A 2V@(1A) 35V 5V 68dB@(120Hz) 8mA Fixed Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

Extended
DatasheetJLCPCBLCSCst/L7805CV
Category
Voltage Regulators Linear, Low Drop Out (LDO) Regulators
Package
TO-220
Pins
3

Overview

The L7805CV is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by STMicroelectronics in a TO-220 package with 3 pins. 0℃~+125℃@(Tj) 1 1.5A 2V@(1A) 35V 5V 68dB@(120Hz) 8mA Fixed Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (Regulator_Linear:L7805, from KiCad's library) and its footprint (digikey-footprints:TO-220-3, from Digikey), ready for a KiCad board. 95,753 are in stock at JLCPCB (part C111887). 55 open-source boards in 46 repositories on GitHub use it.

Symbol

IN1GND2OUT3
Regulator_Linear:L7805From KiCad's library

Footprint

123
digikey-footprints:TO-220-3From Digikey

From the datasheet

8
Supply, absolute maximum
35 V · VI, absolute maximum for VO = 5 to 18 V · p. 5
Junction, hottest
125 °C · max operating junction temperature, L78xxC · p. 5
Takes working
8 mA · max quiescent current, TJ = 25 °C, VI = 10 V, IO = 500 mA · p. 14
Gives
1.5 A · max output current with adequate heat sinking · p. 1
Output
5 V · typical output voltage, TJ = 25 °C · p. 14
Dropout
2 V · typical dropout voltage, IO = 1 A, TJ = 25 °C · p. 14
Junction to case (TO-220)
5 K/W · junction-case thermal resistance · p. 5
Junction to air (TO-220)
50 K/W · junction-ambient thermal resistance · p. 5

What it is and has

4
Thermal overload protection
Included · p. 1
Short circuit protection
Included · p. 1
Output transition SOA protection
Included · p. 1
Protection
internal short-circuit protection · p. 23

Around it

1
cap 0.33 µF or larger
between input and ground; Input bypass capacitor with low impedance at high frequencies; mount with the shortest possible leads across the input terminals. Recommended for long connections to the power supply filter or large output load capacitance. · p. 23

Specifications

22
ParameterConditionsAs printedPage
DC input voltage VIfor VO= 5 to 18 Vmax 35 V5
Storage temperature range TSTGmin -65 · max 150 °C5
Operating junction temperature range TOPfor L78xxCmin 0 · max 125 °C5
Thermal resistance junction-case RthJCTO-220max 5 °C/W5
Thermal resistance junction-ambient RthJATO-220max 50 °C/W5
Output voltage VOTJ = 25 °C; VI = 10 V, IO = 500 mA, CI = 0.33 uF, CO = 0.1 uFmin 4.8 · typ 5 · max 5.2 V14
Output voltage VOIO = 5 mA to 1 A, VI = 7 to 18 V; TJ = 0 to 125 °C, CI = 0.33 uF, CO = 0.1 uFmin 4.75 · typ 5 · max 5.25 V14
Output voltage VOIO = 1 A, VI = 18 to 20V, TJ = 25 °C; CI = 0.33 uF, CO = 0.1 uFmin 4.75 · typ 5 · max 5.25 V14
Line regulation ∆VOVI = 7 to 25 V, TJ = 25 °C; IO = 500 mA, CI = 0.33 uF, CO = 0.1 uFtyp 3 · max 100 mV14
Line regulation ∆VOVI = 8 to 12 V, TJ = 25 °C; IO = 500 mA, CI = 0.33 uF, CO = 0.1 uFtyp 1 · max 50 mV14
Load regulation ∆VOIO = 5 mA to 1.5 A, TJ = 25 °C; VI = 10 V, CI = 0.33 uF, CO = 0.1 uFmax 100 mV14
Load regulation ∆VOIO = 250 to 750 mA, TJ = 25 °C; VI = 10 V, CI = 0.33 uF, CO = 0.1 uFmax 50 mV14
Quiescent current IdTJ = 25° C; VI = 10 V, IO = 500 mA, CI = 0.33 uF, CO = 0.1 uFmax 8 mA14
Quiescent current change ∆IdIO = 5 mA to 1 A; TJ = 0 to 125 °C, VI = 10 V, CI = 0.33 uF, CO = 0.1 uFmax 0.5 mA14
Quiescent current change ∆IdVI = 7 to 23 V; TJ = 0 to 125 °C, IO = 500 mA, CI = 0.33 uF, CO = 0.1 uFmax 0.8 mA14
Output voltage drift ∆VO/∆TIO = 5 mA; TJ = 0 to 125 °C, VI = 10 V, CI = 0.33 uF, CO = 0.1 uFtyp -1.1 mV/°C14
Output noise voltage eNB = 10 Hz to 100 kHz, TJ = 25 °C; VI = 10 V, IO = 500 mA, CI = 0.33 uF, CO = 0.1 uFtyp 40 uV/VO14
Supply voltage rejection SVRVI = 8 to 18 V, f = 120 Hz; TJ = 0 to 125 °C, IO = 500 mA, CI = 0.33 uF, CO = 0.1 uFmin 62 dB14
Dropout voltage VdIO = 1 A, TJ = 25 °C; VI = 10 V, CI = 0.33 uF, CO = 0.1 uFtyp 2 V14
Output resistance ROf = 1 kHz; TJ = 0 to 125 °C, VI = 10 V, IO = 500 mA, CI = 0.33 uF, CO = 0.1 uFtyp 17 mΩ14
Short circuit current IscVI = 35 V, TJ = 25 °C; CI = 0.33 uF, CO = 0.1 uFtyp 0.75 A14
Short circuit peak current IscpTJ = 25 °C; VI = 10 V, CI = 0.33 uF, CO = 0.1 uFtyp 2.2 A14

Ordering codes, by the datasheet

5
L7805CV
TO-220 (single gauge) · 5 V output · p. 52
L7805CV-DG
TO-220 (dual gauge) · 5 V output · p. 52
L7805CDT-TR
DPAK · 5 V output · p. 52
L7805CD2T-TR
D²PAK · 5 V output · p. 52
L7805CP
TO-220FP · 5 V output · p. 52

Parameters

18
Dropout Voltage
2V@(1A)
Features
Over Current Protection
Junction Temperature(Max)
125℃
Maximum Input Voltage
35V
Number of Outputs
1
Operating Temperature
0℃~+125℃@(Tj)
Output Configuration
Positive
Output Current
1.5A
Output Polarity
Positive
Output Type
Fixed
Output Voltage
5V
Power Supply Rejection Ratio (PSRR)
68dB@(120Hz)
Thermal Resistance(Junction to Ambient)
50℃/W
Thermal Resistance(Junction to Case)
5℃/W
Voltage - Supply
35V
Voltage - Supply(Absolute Max)
35V
Voltage Dropout
2V
standby current
8mA

Order codes

1

Pinout

3
The pins of the L7805CV
PinNameType
1INPower in
2GNDPower in
3OUTPower out

Open-source boards using it

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Questions

Is there a KiCad symbol and footprint for the L7805CV?

Yes. The symbol is Regulator_Linear:L7805 and the footprint digikey-footprints:TO-220-3, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the L7805CV?

TO-220, with 3 pins. Its footprint is drawn on this page.

Where is the L7805CV datasheet?

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

Where can I order the L7805CV?

JLCPCB lists it as part C111887, with 95,753 in stock; the sellers' links on this page open their listings.

What can replace the L7805CV?

Parts like it in the library: the L7805CV-DG by STMicroelectronics, the L7805CV(XBLW) by XBLW, the L7805CV by GOODWORK and the L7805CV(MS) by MSKSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the L7805CV?

55 boards in 46 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8