component
H7133-1
Public Made by Adomby adom
Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
h7133-1: pins per the maker drawing (part-reviewer decision, one-pass class (c) review)
4 files changed
+29−28
README.md+2−2@@ -9,8 +9,8 @@ H7133-1 from Shanghai Siproin Microelectronics, in a SOT-23. Pinout and pin desc | Pin | Name | Type | Function | |---|---|---|---| | 1 | GND | power_in | Device ground / common return for the internal reference, error amplifier, and pass FET. Tie to the system ground plane; place the input and output capacitor returns close to this pin to minimize regulation error. |-| 2 | VIN | power_in | Unregulated input supply. Operating range up to 15 V (absolute max 18 V). For the H7133-1 (3.3 V output) line regulation is specified over 4.5 V ≤ VIN ≤ 16 V. Decouple with a ceramic/electrolytic capacitor (typ. 10 µF) to GND close to the pin. |-| 3 | VOUT | power_out | Regulated 3.3 V output (3.234 V min / 3.300 V typ / 3.366 V max at IOUT=10 mA). Supplies up to 50 mA. Requires an output capacitor (typ. 10 µF) to GND for stability. Dropout ≈ 30 mV at 1 mA. |+| 2 | VOUT | power_out | Regulated 3.3 V output (SOT-23 lower-right lead). |+| 3 | VIN | power_in | Supply input (SOT-23 top lead). | ## Key specifications
h7133-1.kicad_sym+4−4@@ -12,12 +12,12 @@ (name "GND" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))) )- (pin power_in line (at -17.78 -2.54 0) (length 5.08)- (name "VIN" (effects (font (size 1.27 1.27))))+ (pin power_out line (at -17.78 -2.54 0) (length 5.08)+ (name "VOUT" (effects (font (size 1.27 1.27)))) (number "2" (effects (font (size 1.27 1.27)))) )- (pin power_out line (at 17.78 0.00 180) (length 5.08)- (name "VOUT" (effects (font (size 1.27 1.27))))+ (pin power_in line (at 17.78 0.00 180) (length 5.08)+ (name "VIN" (effects (font (size 1.27 1.27)))) (number "3" (effects (font (size 1.27 1.27)))) ) )
h7133-1.lbr+9−7@@ -50,7 +50,7 @@ <layer number="98" name="Guide" color="6" fill="1" visible="yes" active="yes"/> </layers> <library>-<description>Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23</description>+<description>Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout extracted from the datasheet</description> <packages> <package name="SOT-23"> <description>3 pads, 3.4 x 2.5 mm. SOT, 3 Pin</description>@@ -82,7 +82,7 @@ </packages> <symbols> <symbol name="H7133-1">- <description>Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23</description>+ <description>Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout extracted from the datasheet</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"/>@@ -90,13 +90,13 @@ <text x="0.0000" y="5.0800" size="1.27" layer="95" align="center">>NAME</text> <text x="0.0000" y="-7.6200" size="1.27" layer="96" align="center">>VALUE</text> <pin name="GND" x="-17.78" y="0" length="middle" direction="pwr"/>- <pin name="VIN" x="-17.78" y="-2.54" length="middle" direction="pwr"/>- <pin name="VOUT" x="17.78" y="0" length="middle" direction="out" rot="R180"/>+ <pin name="VOUT" x="-17.78" y="-2.54" length="middle" direction="out"/>+ <pin name="VIN" x="17.78" y="0" length="middle" direction="pwr" rot="R180"/> </symbol> </symbols> <devicesets> <deviceset name="H7133-1" prefix="U">- <description>Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23</description>+ <description>Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout extracted from the datasheet</description> <gates> <gate name="G$1" symbol="H7133-1" x="0" y="0"/> </gates>@@ -104,13 +104,15 @@ <device name="" package="SOT-23"> <connects> <connect gate="G$1" pin="GND" pad="1"/>- <connect gate="G$1" pin="VIN" pad="2"/>- <connect gate="G$1" pin="VOUT" pad="3"/>+ <connect gate="G$1" pin="VOUT" pad="2"/>+ <connect gate="G$1" pin="VIN" pad="3"/> </connects> <technologies> <technology name=""> <attribute name="MPN" value="H7133-1" constant="no"/> <attribute name="MANUFACTURER" value="Shanghai Siproin Microelectronics" constant="no"/>+ <attribute name="DATASHEET" value="https://datasheet.lcsc.com/datasheet/pdf/cf88c935eb55cf650de671f2b1af1dfc.pdf" constant="no"/>+ <attribute name="ADOM_WIKI" value="https://wiki.adom.inc/adom/h7133-1" constant="no"/> <attribute name="LCSC_PN" value="C277537" constant="no"/> </technology> </technologies>
page.json+14−15@@ -36,19 +36,19 @@ "number": "1", "name": "GND", "type": "power_in",- "description": "Device ground / common return for the internal reference, error amplifier, and pass FET. Tie to the system ground plane; place the input and output capacitor returns close to this pin to minimize regulation error."+ "description": "Ground (SOT-23 lower-left lead)." }, { "number": "2",- "name": "VIN",- "type": "power_in",- "description": "Unregulated input supply. Operating range up to 15 V (absolute max 18 V). For the H7133-1 (3.3 V output) line regulation is specified over 4.5 V ≤ VIN ≤ 16 V. Decouple with a ceramic/electrolytic capacitor (typ. 10 µF) to GND close to the pin."+ "name": "VOUT",+ "type": "power_out",+ "description": "Regulated 3.3 V output (SOT-23 lower-right lead)." }, { "number": "3",- "name": "VOUT",- "type": "power_out",- "description": "Regulated 3.3 V output (3.234 V min / 3.300 V typ / 3.366 V max at IOUT=10 mA). Supplies up to 50 mA. Requires an output capacitor (typ. 10 µF) to GND for stability. Dropout ≈ 30 mV at 1 mA."+ "name": "VIN",+ "type": "power_in",+ "description": "Supply input (SOT-23 top lead)." } ], "provenance": {@@ -92,11 +92,11 @@ "seat": "z = 0", "extents_mm": [ 2.5,- 3.0,+ 3, 1.2 ],- "zmin_mm": 0.0,- "centre_offset_mm": 0.0,+ "zmin_mm": 0,+ "centre_offset_mm": 0, "footprint_binding": "identity", "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0", "checked": "2026-10-07",@@ -111,11 +111,11 @@ "seat": "z = 0", "extents_mm": [ 2.5,- 3.0,+ 3, 1.2 ],- "zmin_mm": 0.0,- "centre_offset_mm": 0.0,+ "zmin_mm": 0,+ "centre_offset_mm": 0, "footprint_binding": "identity", "sha256": "cdb0fb0ce9d8452e21f4e23bafc68271322deca78d5f5f899332d7b8f3d90275", "checked": "2026-10-07",@@ -143,8 +143,7 @@ ], "discovery_pitch": "H7133-1 (Shanghai Siproin Microelectronics) component page with datasheet-verified CAD.", "author": {- "name": "Ray",- "email": "[email protected]"+ "name": "Ray" }, "dependencies": {}, "hero": {