

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
- 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
Footprint
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- CJ7805LCSC C131137
- CJ7805LCSC C77895
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | IN | Power in |
| 2 | GND | Power in |
| 3 | OUT | Power out |
Open-source boards using it
All 2- 2 layers98 × 83.5 mm

- 4 layers75 × 57 mm

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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
8L7805ABD2T-TR
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