component
CJ7905
Public Made by Adomby adom
Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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cj7905: factory component page (tier=lcsc)
3 files changed
+16−13
README.md+3−3@@ -8,9 +8,9 @@ CJ7905 from Changjing, in a TO-252-2L. Pinout and pin descriptions extracted fro | Pin | Name | Type | Function | |---|---|---|---|-| 1 | GND | power_in | Ground/common return for the regulator. This is the reference for both input and output voltages and carries the quiescent current (~1.5 mA typical). |-| 2 | IN | power_in | Unregulated negative input voltage. Operating range -7 V to -25 V (absolute max -35 V). Requires a 2.2 uF input decoupling capacitor (Ci) to ground for stability. Electrically common with the metal tab of the TO-252-2L package. |-| 3 | OUT | power_out | Regulated -5 V output (-4.8 V to -5.2 V at 25 C). Supplies up to 1.5 A continuous (peak 2.1 A). Requires a 1 uF output capacitor (Co) to ground for stability. |+| 1 | GND | power_in | Ground / common reference pin. Also thermally and electrically bonded to the exposed tab of the TO-252-2L package. |+| 2 | IN | power_in | Unregulated negative input voltage. Recommended operating range -7 V to -25 V (absolute max -35 V). A 2.2 uF input capacitor (Ci) to GND is recommended for stability. |+| 3 | OUT | power_out | Regulated -5 V output (typ; -4.8 V to -5.2 V at 25 C). Delivers up to 1.5 A peak (typ peak current 2.1 A) with a 1 uF output capacitor (Co) to GND for stability. | ## Key specifications
cj7905.lbr+9−3@@ -50,7 +50,7 @@ <layer number="98" name="Guide" color="6" fill="1" visible="yes" active="yes"/> </layers> <library>-<description></description>+<description>Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2L</description> <packages> <package name="TO-252-2"> <description>3 pads, 10.6 x 5.8 mm. TO-252/DPAK SMD package</description>@@ -88,6 +88,7 @@ </packages> <symbols> <symbol name="CJ7905">+ <description>Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2L</description> <wire x1="-12.7" y1="2.54" x2="12.7" y2="2.54" width="0.254" layer="94"/> <wire x1="12.7" y1="2.54" x2="12.7" y2="-5.08" width="0.254" layer="94"/> <wire x1="12.7" y1="-5.08" x2="-12.7" y2="-5.08" width="0.254" layer="94"/>@@ -101,7 +102,7 @@ </symbols> <devicesets> <deviceset name="CJ7905" prefix="U">- <description></description>+ <description>Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2L</description> <gates> <gate name="G$1" symbol="CJ7905" x="0" y="0"/> </gates>@@ -112,7 +113,12 @@ <connect gate="G$1" pin="IN" pad="2"/> <connect gate="G$1" pin="OUT" pad="3"/> </connects>- <technologies><technology name=""/></technologies>+ <technologies>+ <technology name="">+ <attribute name="MPN" value="CJ7905" constant="no"/>+ <attribute name="MANUFACTURER" value="Changjing" constant="no"/>+ </technology>+ </technologies> </device> </devices> </deviceset>
page.json+4−7@@ -32,19 +32,19 @@ "number": "1", "name": "GND", "type": "power_in",- "description": "Ground/common return for the regulator. This is the reference for both input and output voltages and carries the quiescent current (~1.5 mA typical)."+ "description": "Ground / common reference pin. Also thermally and electrically bonded to the exposed tab of the TO-252-2L package." }, { "number": "2", "name": "IN", "type": "power_in",- "description": "Unregulated negative input voltage. Operating range -7 V to -25 V (absolute max -35 V). Requires a 2.2 uF input decoupling capacitor (Ci) to ground for stability. Electrically common with the metal tab of the TO-252-2L package."+ "description": "Unregulated negative input voltage. Recommended operating range -7 V to -25 V (absolute max -35 V). A 2.2 uF input capacitor (Ci) to GND is recommended for stability." }, { "number": "3", "name": "OUT", "type": "power_out",- "description": "Regulated -5 V output (-4.8 V to -5.2 V at 25 C). Supplies up to 1.5 A continuous (peak 2.1 A). Requires a 1 uF output capacitor (Co) to ground for stability."+ "description": "Regulated -5 V output (typ; -4.8 V to -5.2 V at 25 C). Delivers up to 1.5 A peak (typ peak current 2.1 A) with a 1 uF output capacitor (Co) to GND for stability." } ], "provenance": {@@ -108,8 +108,5 @@ "docs/cj7905-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": {- "public": true- }+ ] }