LMZ12003TZ-ADJ
Power module with 18W output capacity in a 7-pin TO-PMOD EP packageLMZ12003TZ-ADJ
Power module with 18W output capacity in a 7-pin TO-PMOD EP package
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Manufacturer Part # : LMZ12003TZ-ADJ
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Package/Case: TO-PMOD EP-7
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Brand: Texas Instruments
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LMZ12003TZ-ADJ DataSheet

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Interested Parts
LMZ12003TZ-ADJ Description
The LMZ12003TZ-ADJ is a simple and versatile step-down DC-DC converter with an adjustable output voltage, designed for various electronic devices such as smartphones, tablets, and other portable consumer electronics. This device is ideal for industrial automation, automotive, and telecommunications equipment applications.
Pin Details
The LMZ12003TZ-ADJ is a low-power DC-DC converter with 10 pins for half-duplex communication. It includes pins for receiving, driving, and enabling signals, along with power supply and ground connections.
Pin configuration
- VIN: Input Voltage Pin
- VOUT: Output Voltage Pin
- EN: Enable Pin
- GND: Ground Pin
- COMP: Compensation Pin
- FB: Feedback Pin
- SNS: Sense Pin
- PGD: Power Good Pin
- PGN: Power Good Pin
Features
- Adjustable Output Voltage: Allows for customization of the output voltage to suit specific application requirements.
- Low Power Consumption: Optimized for low power usage, ideal for battery-powered devices.
- Wide Input Voltage Range: Operates efficiently between 4.5V and 60V, making it suitable for various applications.
- Thermal Shutdown Protection: Ensures device safety by shutting down the converter in case of excessive temperature rise.
Applications
The LMZ12003TZ-ADJ is designed for use in a wide range of applications, including industrial automation, automotive, and telecommunications equipment.
Where to Use:
- Industrial Automation: Suitable for use in industrial control systems, manufacturing equipment, and other industrial applications.
- Automotive: Designed for use in automotive systems, including infotainment, navigation, and safety systems.
- Telecommunications: Ideal for use in telecommunications equipment, such as routers, switches, and servers.
Manufacturer
The LMZ12003TZ-ADJ is manufactured by Texas Instruments (TI), a global leader in semiconductor technology.
Packages
The LMZ12003TZ-ADJ comes in an 10-pin SOIC-10 (Small Outline Integrated Circuit) package. This package is designed for surface-mount technology, offering a compact and efficient solution for integrating the converter into electronic circuits.
Equivalent Parts of LMZ12003TZ-ADJ
- LTC3615: A comparable DC-DC converter from Linear Technology with similar features and performance.
- MAX1754: An alternative DC-DC converter from Maxim Integrated that offers equivalent functionality.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Rohs Code | Yes | Part Life Cycle Code | Obsolete |
Part Package Code | SIP | Pin Count ! | 7 |
ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
Additional Feature ! | ALSO OPRERATES IN ADJUSTABLE MODE FROM 0.8 TO 6 V | Analog IC - Other Type | SWITCHING REGULATOR |
Control Mode | VOLTAGE-MODE | Input Voltage-Max | 20 V |
Input Voltage-Min | 4.5 V | Input Voltage-Nom | 12 V |
JESD-30 Code | R-PSSO-G7 | Length | 10.16 mm |
Number of Functions | 1 | Number of Terminals | 7 |
Operating Temperature-Max | 125 °C | Operating Temperature-Min | -40 °C |
Package Body Material | PLASTIC/EPOXY | Package Shape | RECTANGULAR |
Package Style | SMALL OUTLINE, HEAT SINK/SLUG | Peak Reflow Temperature (Cel) | NOT SPECIFIED |
Qualification Status ! | Not Qualified | Seated Height-Max | 4.82 mm |
Surface Mount ! | YES | Switcher Configuration | BUCK |
Switching Frequency-Max | 1000 kHz | Temperature Grade ! | AUTOMOTIVE |
Terminal Form ! | GULL WING | Terminal Pitch ! | 1.27 mm |
Terminal Position | SINGLE | Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
Width | 9.85 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LMZ12003TZ-ADJ?
The LMZ12003TZ-ADJ is a high-frequency, high-efficiency step-down DC-DC power module designed by Texas Instruments. It provides a regulated output voltage with high efficiency in a compact module form factor, making it ideal for space-constrained applications such as industrial automation, telecommunications, and power distribution systems.
How Does LMZ12003TZ-ADJ Work?
The LMZ12003TZ-ADJ operates as a step-down DC-DC converter, converting a higher input voltage to a lower regulated output voltage with high efficiency. It utilizes a switching regulator topology to achieve the desired voltage level conversion. The module features integrated control, power MOSFETs, compensation, and other necessary components within a single package for easy integration and minimal external components.
How Many Pins does LMZ12003TZ-ADJ have and What are the Functions of the Pinout Configuration?
The LMZ12003TZ-ADJ comes in a compact 10-pin TO-PMOD (Power Module) package. The pinout configuration includes:
- VIN: Input voltage pin.
- PGND: Power ground pin.
- BOOT: Bootstrap capacitor pin.
- SW: Switching pin.
- LX: Inductor connection pin.
- SET: Voltage selection pin for adjustable output version.
- FB: Feedback pin for output voltage regulation.
- EN: Enable pin for on/off control.
- VOUT: Regulated output voltage pin.
- AGND: Analog ground pin.
What are the Pros and Cons of LMZ12003TZ-ADJ?
Pros:
- High Efficiency: Offers high efficiency power conversion for reduced energy loss.
- Compact Form Factor: The integrated design in a small package saves board space and simplifies layout.
- Wide Input Voltage Range: Capable of handling a wide range of input voltages for versatility.
- Integrated Components: Simplifies design and reduces external component count.
- Adjustable Output: Some versions offer adjustable output voltage for flexibility.
Cons:
- Heat Dissipation: May require thermal considerations due to high-frequency operation and power dissipation.
- Cost: Integrated modules like the LMZ12003TZ-ADJ may have a higher cost compared to discrete solutions.
- Complexity: Some applications may need additional external components for specific requirements.
Are There Any Equivalents/Alternatives to LMZ12003TZ-ADJ for Recommendation?
- The LMZ12003TZ-ADJ is similar to the LMZ12003 from Texas Instruments with fixed output voltage options.
- Alternatives to the LMZ12003TZ-ADJ include the MP2315 from Monolithic Power Systems and the NCP314 from ON Semiconductor.
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