Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
LM25007MM/NOPB
Texas Instruments
IC REG BUCK ADJ 500MA 8VSSOP
35374 Pcs New Original In Stock
Buck Switching Regulator IC Positive Adjustable 2.5V 1 Output 500mA 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (347 Ratings)
LM25007MM/NOPB
Product Overview
1293339
DiGi Electronics Part Number
LM25007MM/NOPB-DGManufacturer
Texas Instruments
LM25007MM/NOPB
Description
IC REG BUCK ADJ 500MA 8VSSOPInventory
35374 Pcs New Original In Stock
Buck Switching Regulator IC Positive Adjustable 2.5V 1 Output 500mA 8-TSSOP, 8-MSOP (0.118", 3.00mm 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
LM25007MM/NOPB Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - DC DC Switching Regulators
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Output Type
Adjustable
Number of Outputs
1
Voltage - Input (Min)
9V
Voltage - Input (Max)
42V
Voltage - Output (Min/Fixed)
2.5V
Voltage - Output (Max)
37V
Current - Output
500mA
Frequency - Switching
Up to 800kHz
Synchronous Rectifier
No
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package
8-VSSOP
Base Product Number
LM25007
Datasheet & Documents
HTML Datasheet
LM25007MM/NOPB-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
LM25007MM/NOPBCT
LM25007MM/NOPBDKR
LM25007MM/NOPBCT-DG
-LM25007MM/NOPBCT-DG
296-LM25007MM/NOPBDKR
LM25007MM/NOPBTR
LM25007MM/NOPBTR-DG
296-LM25007MM/NOPBCT
-LM25007MM/NOPBCT
LM25007MM/NOPBDKR-DG
LM25007MMNOPB
-LM25007MM-NDR
296-LM25007MM/NOPBTR
*LM25007MM/NOPB
Standard Package
1,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
The delivery service from DiGi Electronics is consistently prompt, ensuring my inventory is always stocked.
de desembre 02, 2025
The website layout is clean and easy to understand, enhancing my shopping efficiency.
de desembre 02, 2025
The website’s responsiveness during peak hours was impressive; it remained fast and functional.
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 LM25007MM/NOPB be safely used to replace a TPS54202DDCR in a 12V-to-3.3V, 500mA industrial sensor power rail, and what layout or compensation changes are needed to avoid instability?
The LM25007MM/NOPB can replace the TPS54202DDCR in this application, but critical design adjustments are required. While both are 500mA buck regulators, the LM25007MM/NOPB operates at a lower max switching frequency (800kHz vs. 570kHz typical for TPS54202) and lacks integrated synchronous rectification, leading to higher conduction losses and thermal stress under load. Additionally, the LM25007MM/NOPB uses a voltage-mode control architecture with external compensation, unlike the TPS54202’s current-mode control with internal compensation. You must redesign the feedback network and select appropriate RC compensation components (typically a series RC from FB to ground) to ensure phase margin >45° at crossover. Also, verify that your input capacitor ESR and output inductor value (recommend 10–22µH, shielded) are compatible with the LM25007MM/NOPB’s stability criteria—poor layout or incorrect compensation can cause subharmonic oscillation or poor transient response.
What are the key reliability risks when operating the LM25007MM/NOPB near its 42V input maximum in an automotive 24V nominal system with load-dump transients, and how should I protect it?
Operating the LM25007MM/NOPB at or near its 42V absolute maximum input voltage in a 24V automotive environment poses significant reliability risks due to ISO 7637-2 load-dump pulses that can exceed 35V for hundreds of milliseconds. Although the part is rated for 42V max, sustained exposure near this limit accelerates electromigration and reduces long-term MTBF. To mitigate this, implement a TVS diode (e.g., SMAJ33A) rated for 33V clamping voltage placed close to the input capacitor, along with a 10Ω series resistor and a 100nF ceramic capacitor for local filtering. Additionally, consider using a pre-regulator or active clamp circuit if your system must survive full 40V+ transients. Always derate the input voltage to ≤36V in such environments to maintain a safety margin and ensure compliance with AEC-Q100 stress test criteria.
Is the LM25007MM/NOPB suitable for powering a low-noise analog front-end requiring <10mVpp output ripple, and what filtering techniques are necessary to meet this?
The LM25007MM/NOPB alone is not ideal for directly powering ultra-low-noise analog circuits due to its asynchronous topology and lack of spread-spectrum modulation, which can generate switching noise up to 800kHz. While its output ripple is typically ~30–50mVpp under load, achieving <10mVpp requires post-regulation. Use a two-stage approach: first, set the LM25007MM/NOPB to output 0.3V above your final rail (e.g., 3.6V for a 3.3V LDO), then follow it with a low-noise LDO like the TPS7A4700. Add a pi-filter (10µH ferrite bead + 10µF ceramic + 100nF) between the buck and LDO to attenuate high-frequency ripple. Ensure the LM25007MM/NOPB’s SW node is kept away from sensitive analog traces, and use a solid ground plane with star grounding to minimize conducted emissions.
Can I parallel two LM25007MM/NOPB devices to increase output current beyond 500mA for a 5V/1A application, and what synchronization or current-sharing challenges will I face?
Paralleling two LM25007MM/NOPB regulators to achieve 1A output is not recommended due to the absence of current-sharing features or synchronization capability. The LM25007MM/NOPB lacks a clock output or phase-locking mechanism, so unsynchronized switching between devices creates beat frequencies and increased EMI. Even with matched feedback resistors, inherent variations in reference voltage (±2.5%) and switching frequency (±15%) cause significant current imbalance—one device may carry 70%+ of the load, leading to localized overheating and premature failure. Instead, select a higher-current monolithic buck converter like the LM2678 or TPS54302. If you must use the LM25007MM/NOPB, add external ballast resistors (e.g., 0.5Ω in series with each output) and ensure tight thermal coupling, but expect reduced efficiency and reliability.
How does the thermal performance of the LM25007MM/NOPB in an 8-VSSOP package compare to similar SOIC-8 buck regulators like the MC34063AD when delivering 500mA at 12V to 3.3V conversion in a sealed enclosure?
The LM25007MM/NOPB in its 8-VSSOP package significantly outperforms the MC34063AD in thermal efficiency for this conversion scenario. At 12V input to 3.3V/500mA output, the LM25007MM/NOPB achieves ~85% efficiency (≈280mW loss), while the MC34063AD typically reaches only ~65% efficiency (≈900mW loss) due to its higher switch resistance and lower frequency operation. The 8-VSSOP package of the LM25007MM/NOPB has better thermal characteristics (θJA ≈ 120°C/W) compared to the standard SOIC-8 of the MC34063AD (θJA ≈ 160°C/W), resulting in a junction temperature rise of ~34°C vs. ~144°C under identical conditions. In a sealed enclosure with ambient temperatures up to 50°C, the LM25007MM/NOPB remains well within its -40°C to 125°C operating range, whereas the MC34063AD risks thermal shutdown. Always include a thermal pad connection to the PCB ground plane for optimal heat dissipation.
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.
LM25007MM/NOPB CAD Models
Texas Instruments LM25007MM/NOPB PCB symbols & footprints
productDetail
