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Contents

Pinout
Key specifications
Electrical characteristics
CAD (KiCad official)
Provenance

README

markdown

MC78L15ABPG

onsemi · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-92-3

MC78L15ABPG from onsemi, in a TO-92-3. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	OUTPUT	power_out	Regulated 15 V output for the MC78L15ABPG, which is rated for TJ = −40° to +125°C.
2	GND	power_in	Common ground that must be shared between the input and output voltages, as the datasheet requires a common ground between them.
3	INPUT	power_in	Unregulated input that must remain typically 2.0 V above the output voltage even at the low point of the input ripple, with the 12 V to 18 V absolute maximum input rating of 35 Vdc.

Key specifications

Parameter	Value
Manufacturer	onsemi
Package	TO-92-3
Category	Power Management (PMIC)
Pins	3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Output Voltage	VO	14.4	15	15.6	Vdc	TJ = +25°C	5
Output Voltage	VO	14.25		15.75	Vdc	17.5 Vdc ≤ VI ≤ 30 Vdc, 1.0 mA ≤ IO ≤ 40 mA	5
Line Regulation	Regline		130	300	mV	TJ = +25°C, IO = 40 mA; 17.5 Vdc ≤ VI ≤ 30 Vdc	5
Line Regulation	Regline		110	250	mV	TJ = +25°C, IO = 40 mA; 20 Vdc ≤ VI ≤ 30 Vdc	5
Load Regulation	Regload		25	150	mV	TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA	5
Load Regulation	Regload		12	75	mV	TJ = +25°C, 1.0 mA ≤ IO ≤ 40 mA	5
Input Bias Current	IIB		4.4	6.5	mA	TJ = +25°C	5
Input Bias Current	IIB			6	mA	TJ = +125°C	5
Input Bias Current Change	IIB			1.5	mA	20 Vdc ≤ VI ≤ 30 Vdc	5
Input Bias Current Change	IIB			0.1	mA	1.0 mA ≤ IO ≤ 40 mA	5
Ripple Rejection	RR	34	39		dB	IO = 40 mA, f = 120 Hz, 18.5 V ≤ VI ≤ 28.5 V, TJ = +25°C	5
Input Voltage (12 V−18 V)	VI			35	Vdc	Input Voltage (12 V−18 V) row, per the datasheet's output-voltage group label	2
Storage Temperature Range	Tstg	-65		150	°C		2
Maximum Junction Temperature	TJ			150	°C		2
ESD Capability, Human Body Model	ESDHBM			2000	V	Note 1 (AEC-Q100-002)	2
ESD Capability, Machine Model	ESDMM			200	V	Note 1 (AEC-Q100-003)	2
ESD Capability, Charged Device Model	ESDCDM			2000	V	Note 1 (EIA/JESD22-C101)	2
Operating Junction Temperature Range	TJ	-40		125	°C	MC78LXXAB (electrical characteristics header: −40°C < TJ < +125°C)	3
Thermal Resistance, Junction-to-Ambient, TO-92	RJA		200		°C/W	TO-92 package	2

CAD (KiCad official)

Symbol: MC78L15ABPG
Footprint: Package_TO_SOT_THT:TO-92_Inline
3D model: TO-92-3 (KiCad packages3D, STEP)
3D model files: mc78l15abpg-etched.step / mc78l15abpg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mc78l15abpg.step / mc78l15abpg.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: onsemi datasheet (20 pp, sha256 385af0f745775d96, retrieved 2026-10-19, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF