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.

Can I request a quotation for bulk quantity?

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: 78L09G‑AB3‑R
Brand: UTC
SKU: 78L09G‑AB3‑R
Availability: InStock

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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Voltage Regulators - Linear, Low Drop Out (LDO) Regulators > 78L09G‑AB3‑R

UTC 78L09G‑AB3‑R

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Part No.:: 78L09G‑AB3‑R

Manufacturer:: UTC

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

Package:: -

Description:: IC REG LINEAR 9V 100MA SOT89-3

Quantity:: Add To Cart Add To RFQ list

Unit Price:$0

Ext Price:$0

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78L09G‑AB3‑R Information

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Product Details
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Tags

Product attributes: Attribute value

Manufacturer:: UTC

Series:: -

Package/Case:: -

Packaging:: Tape & Reel

Product Status:: Active

Output Configuration:: -

Output Type:: -

Number of Regulators:: -

Voltage - Input (Max):: -

Voltage - Output (Min/Fixed):: -

Voltage - Output (Max):: -

Voltage Dropout (Max):: -

Current - Output:: -

Current - Quiescent (Iq):: -

Current - Supply (Max):: -

PSRR:: -

Control Features:: 0℃ ~ +70℃

Protection Features:: -

Operating Temperature:: -

Grade:: SOT‑23‑3

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

78L09G-AB3-R – UTC 9V 100mA Low Power Voltage Regulator (SOT-89)

Quick Answer The 78L09G-AB3-R is a fixed 9V positive voltage regulator from Unisonic Technologies (UTC). It belongs to the 78L series, providing stable 9V output with up to 100mA current in a compact SOT-89 package. It is ideal for low-power applications requiring a reliable 9V 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	78L09G-AB3-R	SOT-89 Package
Output Voltage	9.0V ±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 78L09G-AB3-R?

Stable 9V 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 9V applications

Typical Applications

9V battery-powered devices
Sensor modules and instrumentation
Digital multimeters and test equipment
Industrial control circuits
Audio equipment bias voltage
LED drivers and display circuits
Microcontroller auxiliary power
General purpose 9V regulation

78L09G-AB3-R Alternatives & Cross Reference

Model	Manufacturer	Output Voltage	Current	Package	Key Advantage	Best For
78L09G-AB3-R	UTC	9V	100mA	SOT-89	Best stock & price	General low power
78L09	Multiple	9V	100mA	TO-92	Through-hole version	Prototyping
LM78L09	TI	9V	100mA	SOT-89	Original brand	High reliability
AMS1117-9.0	Multiple	9V	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 78L09G-AB3-R? A: Fixed 9.0V output.

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

Q3: What package does 78L09G-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 9V systems.

Q6: Is 78L09G-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 78M09? A: 78L09 is lower current (100mA) while 78M09 offers higher current.

Q9: Can it be used in sensor circuits? A: Yes, widely used for stable 9V 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 / 78L12 / 78L15 (Other voltages)
LM7805L-TA3-T (Higher current 5V)
LM1117 Series (Lower dropout)
Other UTC Voltage Regulators

Image
Part Number	78L09G‑AB3‑R
Manufacturer	UTC
Series	-
Package/Case	-
Packaging	Tape & Reel
Product Status	Active
Output Configuration	-
Output Type	-
Number of Regulators	-
Voltage - Input (Max)	-
Voltage - Output (Min/Fixed)	-
Voltage - Output (Max)	-
Voltage Dropout (Max)	-
Current - Output	-
Current - Quiescent (Iq)	-
Current - Supply (Max)	-
PSRR	-
Control Features	0℃ ~ +70℃
Protection Features	-
Operating Temperature	-
Grade	SOT‑23‑3
Qualification	-
Mounting Type	-
Supplier Device Package	-

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