Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
LM2853MH-1.0
Texas Instruments
IC REG BUCK 1V 3A 14HTSSOP
1440 Pcs New Original In Stock
Buck Switching Regulator IC Positive Fixed 1V 1 Output 3A 14-PowerTSSOP (0.173", 4.40mm Width)
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (247 Ratings)
LM2853MH-1.0
Product Overview
1332932
DiGi Electronics Part Number
LM2853MH-1.0-DGManufacturer
Texas Instruments
LM2853MH-1.0
Description
IC REG BUCK 1V 3A 14HTSSOPInventory
1440 Pcs New Original In Stock
Buck Switching Regulator IC Positive Fixed 1V 1 Output 3A 14-PowerTSSOP (0.173", 4.40mm Width)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
LM2853MH-1.0 Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - DC DC Switching Regulators
Packaging
-
Series
SIMPLE SWITCHER®
Product Status
Obsolete
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Output Type
Fixed
Number of Outputs
1
Voltage - Input (Min)
3V
Voltage - Input (Max)
5.5V
Voltage - Output (Min/Fixed)
1V
Voltage - Output (Max)
-
Current - Output
3A
Frequency - Switching
550kHz
Synchronous Rectifier
Yes
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
14-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package
14-HTSSOP
Base Product Number
LM2853
Datasheet & Documents
HTML Datasheet
LM2853MH-1.0-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Standard Package
94
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Die attraktiven Preise bei DiGi Electronics haben meine Erwartungen mehrfach übertroffen.
de desembre 02, 2025
Customer service followed up with me to ensure my satisfaction after my purchase.
de desembre 02, 2025
DiGi Electronics takes pride in providing consistent and high-quality products at fair prices.
de desembre 02, 2025
The durability of their packaging minimizes return rates due to damage.
de desembre 02, 2025
Di Digi Electronics excels in professional communication and support.
de desembre 02, 2025
They consistently deliver friendly assistance and prices that won’t break the bank.
de desembre 02, 2025
Every purchase I’ve made has been worth it thanks to their exemplary quality standards.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
Can the LM2853MH-1.0 still be used in new designs despite being marked as obsolete by Texas Instruments?
No, the LM2853MH-1.0 should not be used in new designs due to its obsolete status. While existing inventory may still be available, relying on it introduces supply chain risks and long-term support concerns. TI typically discontinues parts when newer, more efficient, or cost-effective alternatives exist. For new designs, consider pin-compatible or functionally similar modern replacements such as the TPS563300 or TLV62585, which offer improved efficiency, smaller footprints, and active production support.
What are the key reliability risks when attempting to replace the LM2853MH-1.0 with a non-TI buck converter in an existing 1V/3A power rail design?
Replacing the LM2853MH-1.0 with a non-TI alternative—even one with matching input/output specs—can introduce stability, layout sensitivity, and transient response mismatches. The LM2853MH-1.0 uses a fixed 550kHz switching frequency and integrated synchronous rectification, so substitutes must match these dynamics. For example, the MPQ4572GH-1.0 from Monolithic Power Systems may appear compatible but has different compensation requirements and soft-start behavior, risking output overshoot during startup. Always validate loop stability, thermal performance, and load-step response in hardware before full integration.
How does the lack of RoHS compliance in the LM2853MH-1.0 affect its usability in consumer or industrial products targeting EU markets?
The LM2853MH-1.0 is RoHS non-compliant, which prohibits its use in products subject to EU RoHS directives, including most consumer electronics and industrial equipment sold in Europe. This restriction stems from lead content in the package or solder finishes. Even if functionally suitable, using this part could result in regulatory non-conformance, customs rejection, or liability during audits. Designers must transition to RoHS-compliant alternatives like the LM2853MH-1.0/NOPB (if available and compliant) or migrate to newer devices such as the TPS62130, which meets RoHS and REACH standards.
What layout considerations are critical when designing a PCB around the LM2853MH-1.0 to avoid noise coupling and thermal issues, especially given its 14-HTSSOP package?
The LM2853MH-1.0’s 14-HTSSOP package requires careful thermal and high-frequency layout practices. The exposed thermal pad must be soldered to a sufficiently large ground plane with multiple vias to dissipate heat, as junction temperatures can exceed 100°C under full 3A load at high ambient temps. Keep SW node traces short and away from sensitive analog signals to minimize EMI. Input/output capacitors should be placed within 2–3 mm of the IC pins, and a solid ground plane beneath the device is essential for stable switching at 550kHz. Poor layout can lead to oscillations, reduced efficiency, or premature failure due to thermal stress.
Is it safe to operate the LM2853MH-1.0 at its maximum input voltage (5.5V) and full 3A load continuously, and what derating practices should be applied for long-term reliability?
Operating the LM2853MH-1.0 continuously at 5.5V input and 3A output pushes it near its operational limits and increases power dissipation significantly, especially with only 1V output (P_loss ≈ (5.5V – 1V) × 3A × (1 – η)). Even with ~90% efficiency, this generates over 1.35W of heat, risking thermal shutdown or reduced lifespan. For long-term reliability, derate the output current by 20–30% when operating at high ambient temperatures (>85°C) or use forced airflow. Consider lowering input voltage where possible (e.g., 5V instead of 5.5V) or migrating to a more efficient converter like the TPS563300, which offers better thermal performance and higher switching frequency for smaller magnetics.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
LM2853MH-1.0 CAD Models
Texas Instruments LM2853MH-1.0 PCB symbols & footprints
productDetail
