What is the main function of this part?

This part is used in electronic circuits for signal control, power management, industrial equipment, consumer electronics, and related applications.

Is the datasheet available for this product?

Yes, you can check the datasheet link on this product page or contact our sales team for technical documents.

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Yes, you can submit the RFQ form on this page. Our sales team will reply with current stock, price, lead time, and delivery information.

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Name: 78L15G‑AB3‑R
Brand: UTC
SKU: 78L15G‑AB3‑R
Availability: InStock

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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Voltage Regulators - Linear, Low Drop Out (LDO) Regulators > 78L15G‑AB3‑R

UTC 78L15G‑AB3‑R

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Part No.:: 78L15G‑AB3‑R

Manufacturer:: UTC

Category:: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Package:: TO-243AA

Description:: IC REG LINEAR 15V 100MA SOT89-3

Quantity:: Add To Cart Add To RFQ list

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78L15G‑AB3‑R Information

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Product attributes: Attribute value

Manufacturer:: UTC

Series:: 78LXX

Package/Case:: TO-243AA

Packaging:: Tape & Reel (TR)

Product Status:: Active

Output Configuration:: Positive

Output Type:: Fixed

Number of Regulators:: 1

Voltage - Input (Max):: 35V

Voltage - Output (Min/Fixed):: 15V

Voltage - Output (Max):: -

Voltage Dropout (Max):: 1.7V @ 40mA

Current - Output:: 100mA

Current - Quiescent (Iq):: 6 mA

Current - Supply (Max):: -

PSRR:: 39dB (120Hz)

Control Features:: -

Protection Features:: Over Current, Over Temperature, Short Circuit

Operating Temperature:: 0℃ ~ +70℃

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-89-3

78L15G-AB3-R – UTC 15V 100mA Low Power Voltage Regulator (SOT-89)

Quick Answer The 78L15G-AB3-R is a fixed 15V positive voltage regulator from Unisonic Technologies (UTC). It belongs to the 78L series, providing stable 15V output with up to 100mA current in a compact SOT-89 package. It is widely used in low-power applications requiring a reliable 15V rail from higher input voltages.

Current Stock at ICMASS: Strong inventory ready for immediate worldwide delivery.

Key Specifications

Parameter	Value	Details
Manufacturer	Unisonic Technologies (UTC)	78L Series
Part Number	78L15G-AB3-R	SOT-89 Package
Output Voltage	15.0V ±4%	Fixed
Output Current	100mA	Maximum
Dropout Voltage	1.7V (typ)	Low dropout
Input Voltage Range	Up to 35V	Wide input range
Quiescent Current	5mA (typ)	Low power
Operating Temperature	-40°C to +125°C	Junction
Protection Features	Thermal Shutdown, Short Circuit	Built-in

Why Choose 78L15G-AB3-R?

Stable 15V output with good regulation
Compact SOT-89 surface mount package
Low quiescent current for power-sensitive designs
Wide input voltage range up to 35V
Cost-effective and reliable UTC solution
Excellent for low-power 15V applications

Typical Applications

Industrial control and automation
Sensor modules and instrumentation
15V powered devices and peripherals
Analog circuits and op-amp power
Battery charger circuits
LED drivers and display circuits
Security systems
General purpose 15V regulation

78L15G-AB3-R Alternatives & Cross Reference

Model	Manufacturer	Output Voltage	Current	Package	Key Advantage	Best For
78L15G-AB3-R	UTC	15V	100mA	SOT-89	Best stock & price	General low power
78L15	Multiple	15V	100mA	TO-92	Through-hole version	Prototyping
LM78L15	TI	15V	100mA	SOT-89	Original brand	High reliability
AMS1117-15	Multiple	15V	1A	SOT-223	Higher current	Higher load
LM317 (Adjustable)	TI/UTC	Adjustable	1.5A	Various	Flexible voltage	Variable output

Purchasing Information at ICMASS

Stock Status: Strong inventory available
MOQ: 100 pieces (samples welcome)
Lead Time: 1-3 days for stock orders
Shipping: Fast global delivery via DHL, UPS, FedEx
Quality Guarantee: 100% genuine UTC components with full traceability

Get Competitive Quote – Contact us today for bulk pricing and technical support.

Frequently Asked Questions (FAQ)

Q1: What is the output voltage of 78L15G-AB3-R? A: Fixed 15.0V output.

Q2: What is the maximum output current? A: 100mA, suitable for low-power applications.

Q3: What package does 78L15G-AB3-R use? A: SOT-89 surface mount package for good thermal performance.

Q4: What is the maximum input voltage? A: Up to 35V.

Q5: Is it suitable for battery-powered devices? A: Yes, low quiescent current makes it ideal for low-power 15V systems.

Q6: Is 78L15G-AB3-R in stock at ICMASS? A: Yes, we maintain strong inventory for fast global shipping.

Q7: What output capacitor is recommended? A: 0.1µF or larger on output for stability.

Q8: How does it compare to 78M15? A: 78L15 is lower current (100mA) while 78M15 offers higher current capability.

Q9: Can it be used in sensor circuits? A: Yes, widely used for stable 15V supply to sensors and analog circuits.

Q10: Do you offer volume pricing? A: Yes, competitive tiered pricing for quantities from 1K to 100K+.

Q11: What is the dropout voltage? A: Typically 1.7V.

Q12: Can you provide reference circuits or PCB layout advice? A: Yes, we supply the datasheet, typical application circuits, and thermal design recommendations.

Related Products

78L05 / 78L09 / 78L12 / 78L15 (78L Series)
LM7805L-TA3-T (Higher current 5V)
LM1117 Series (Lower dropout)
Other UTC Voltage Regulators

Image
Part Number	78L15G‑AB3‑R
Manufacturer	UTC
Series	78LXX
Package/Case	TO-243AA
Packaging	Tape & Reel (TR)
Product Status	Active
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	35V
Voltage - Output (Min/Fixed)	15V
Voltage - Output (Max)	-
Voltage Dropout (Max)	1.7V @ 40mA
Current - Output	100mA
Current - Quiescent (Iq)	6 mA
Current - Supply (Max)	-
PSRR	39dB (120Hz)
Control Features	-
Protection Features	Over Current, Over Temperature, Short Circuit
Operating Temperature	0℃ ~ +70℃
Grade	-
Qualification	-
Mounting Type	Surface Mount
Supplier Device Package	SOT-89-3

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