UTC 78L05G‑AB3‑R
- Part No.:
- 78L05G‑AB3‑R
- Manufacturer:
- UTC
- Package:
- TO-236-3, SC-59, SOT-23-3
- Description:
- SOT-23 LINEAR VOLTAGE REGULATORS
- Quantity:
-
Unit Price:$0
Ext Price:$0
- Payment:
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- Shipping:
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78L05G‑AB3‑R Information
- Specifications
- Product Details
- Comparison
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- UTC
- Series:
- 78Lxx
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 30V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 1.7V @ 40mA
- Current - Output:
- 100mA
- Current - Quiescent (Iq):
- 5.5 mA
- Current - Supply (Max):
- -
- PSRR:
- 49dB (120Hz)
- Control Features:
- -
- Protection Features:
- Over Current, Over Temperature, Short Circuit
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23
78L05G-AB3-R – UTC 5V 100mA Positive Voltage Regulator IC
Quick Answer The 78L05G-AB3-R is a monolithic fixed 5V positive voltage regulator from Unisonic Technologies (UTC). It is capable of delivering output currents up to 100mA with a low dropout voltage. Housed in a compact SOT-89 package, it features internal current limiting, thermal shutdown, and safe operating area protection, making it an ideal choice for local on-card regulation and low-power applications.
Current Stock at ICMASS: Strong inventory available for immediate worldwide delivery.
Key Specifications
| Parameter | Value | Details |
|---|---|---|
| Manufacturer | Unisonic Technologies (UTC) | Linear Voltage Regulator |
| Part Number | 78L05G-AB3-R | 5V Fixed Positive Regulator |
| Package | SOT-89 (AB3) | 3-Pin Surface Mount (Tape & Reel) |
| Output Voltage | 5.0 V | Fixed |
| Output Current | 100 mA | Maximum |
| Input Voltage Range | Up to 30 V | Maximum |
| Dropout Voltage | 1.7 V (typ) @ 40mA | Low dropout |
| Quiescent Current | 2 mA (typ) | Low power |
| Protection Features | Short Circuit, Thermal Shutdown, SOA Protection | Built-in |
[Download Official 78L05 Datasheet PDF]
Why Choose 78L05G-AB3-R?
- Fixed 5V output with excellent line and load regulation
- Output current up to 100mA
- Internal thermal overload and short circuit protection
- Very compact SOT-89 package for space-saving designs
- Wide input voltage range
- Low standby current
- Pb-free, RoHS compliant, halogen-free
- Cost-effective solution for local voltage regulation
Typical Applications
- Local on-card voltage regulation
- Consumer electronics and appliances
- Battery-powered devices
- LED lighting drivers (bias supply)
- Microcontroller and sensor power supplies
- Industrial control systems
- Metering and measurement equipment
- USB and low-power adapters auxiliary supply
78L05G-AB3-R Alternatives & Cross Reference Popular Alternatives:
- 78L05L-AB3-R / 78L05 (other UTC variants)
- AMS1117-5.0, LM78L05 (similar performance)
- MC78L05 (ON Semiconductor / onsemi)
- KA78L05 (Fairchild / onsemi)
- 78M05 for higher current (500mA)
Comparison Table:
| Model | Output Voltage | Output Current | Package | Dropout Voltage | Best For |
|---|---|---|---|---|---|
| 78L05G-AB3-R | 5.0 V | 100 mA | SOT-89 | 1.7 V | Low power, compact |
| AMS1117-5.0 | 5.0 V | 1 A | SOT-223 | 1.2 V | Higher current |
| LM78L05 | 5.0 V | 100 mA | TO-92 / SO-8 | ~2 V | Through-hole option |
| 78M05 | 5.0 V | 500 mA | TO-220 | ~2 V | Medium power |
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 (DHL, UPS, FedEx)
- Quality Guarantee: 100% genuine UTC components
Get Competitive Quote – Contact us for bulk pricing and technical support.
Frequently Asked Questions (FAQ)
Q1: What is the 78L05G-AB3-R mainly used for? A: It is a 5V fixed linear voltage regulator for providing stable 5V supply up to 100mA in various electronic circuits.
Q2: What is the maximum output current? A: 100 mA continuous.
Q3: What package does the 78L05G-AB3-R use? A: SOT-89 (AB3) surface mount package, supplied in Tape & Reel.
Q4: What is the maximum input voltage? A: Up to 30 V.
Q5: Does it have built-in protection? A: Yes, includes short circuit protection and thermal shutdown.
Q6: Is it suitable for 5V microcontroller power supply? A: Yes, widely used for MCU, sensors, and logic circuits.
Q7: What is the typical dropout voltage? A: 1.7 V at 40 mA load.
Q8: Do you have real stock of 78L05G-AB3-R? A: Yes, we maintain good inventory levels for fast delivery.
Q9: What is the typical quiescent current? A: Around 2 mA.
Q10: Can you provide reference designs or layout recommendations? A: Yes, we supply official UTC datasheet and application support.
Q11: Do you offer volume pricing? A: Yes. Competitive tiered pricing is available for quantities from 1K to 100K+.
Q12: How does 78L05G-AB3-R compare to AMS1117-5.0? A: 78L05 offers 100mA in smaller SOT-89 while AMS1117 supports up to 1A in SOT-223.
Related Products
- UTC 78Lxx Series Voltage Regulators
- 78Mxx / 78xx Series (Higher Current)
- Low Dropout (LDO) Regulators (AMS1117, etc.)
- UTC Linear ICs and Power Management Products
| Image |
|
| Part Number | 78L05G‑AB3‑R |
| Manufacturer | UTC |
| Series | 78Lxx |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
| Packaging | Tape & Reel |
| Product Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 30V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.7V @ 40mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 5.5 mA |
| Current - Supply (Max) | - |
| PSRR | 49dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 70°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | SOT-23 |
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