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CJ7805 on a board, in 3D

CJ7805

Jiangsu Changjing Electronics Technology (CJ)

-25℃~+125℃@(Tj) 1 1.5A 2V@(1A) 35V 42uV 5V 5mA 73dB@(120Hz) Fixed Positive TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

Extended
Category
Voltage Regulators Linear, Low Drop Out (LDO) Regulators
Package
TO-263-2
Pins
3

Overview

The CJ7805 is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by Jiangsu Changjing Electronics Technology (CJ) in a TO-263-2 package with 3 pins. -25℃~+125℃@(Tj) 1 1.5A 2V@(1A) 35V 42uV 5V 5mA 73dB@(120Hz) Fixed Positive TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (Pinmap_Generic:Regulator_Linear_1IN_2GND_3OUT, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_SMD:TO-263-2, from KiCad's library), ready for a KiCad board. 16,856 are in stock at JLCPCB (part C77895). 2 open-source boards in 2 repositories on GitHub use it.

Symbol

IN1OUT3GND2
Pinmap_Generic:Regulator_Linear_1IN_2GND_3OUTFrom PCBKit's generic symbols

Footprint

123
Package_TO_SOT_SMD:TO-263-2From KiCad's library

Parameters

15
Dropout Voltage
2V@(1A)
Features
Short Circuit Protection
Maximum Input Voltage
35V
Noise
42uV
Number of Outputs
1
Operating Temperature
-40℃~+125℃@(Tj)
Output Configuration
Positive
Output Current
1.5A
Output Polarity
Positive
Output Type
Fixed
Output Voltage
5V
Power Supply Rejection Ratio (PSRR)
60dB@(120Hz)
Voltage - Supply
25V
Voltage Dropout
2V@(1A)
standby current
5mA

Order codes

2

Pinout

3
The pins of the CJ7805
PinNameType
1INPower in
2GNDPower in
3OUTPower out

Open-source boards using it

All 2
  • 2 layers98 × 83.5 mmOsr cdi15x, the printed circuit board in 3D

    Osr cdi15x

    Rilassaru/osr-cdi

    High-performance AC-CDI for YAMAHA 2-stroke motorcycles

    93 parts7
  • 4 layers75 × 57 mmPlatypus, the printed circuit board in 3D

    Platypus

    ManiacalLabs/Platypus

    Open Hardware CNC / Laser Controller Board

    63 parts6

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Questions

Is there a KiCad symbol and footprint for the CJ7805?

Yes. The symbol is Pinmap_Generic:Regulator_Linear_1IN_2GND_3OUT and the footprint Package_TO_SOT_SMD:TO-263-2, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CJ7805?

TO-263-2, with 3 pins. Its footprint is drawn on this page.

Where is the CJ7805 datasheet?

Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.

Where can I order the CJ7805?

JLCPCB lists it as part C77895, with 16,856 in stock; the sellers' links on this page open their listings.

What can replace the CJ7805?

Parts like it in the library: the L7805ABD2T-TR by STMicroelectronics, the L7805CD2T-TR by STMicroelectronics, the L7805ACD2T-TR by STMicroelectronics and the L7905CD2T-TR by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the CJ7805?

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

Parts like it

8