
PL303QMD Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $1023.88 | Condition is New, TTi PL303QMD - Quad Mode Dual version of PL303, FREE SHIPPING | 99.8% |
![]() | $1369.29 | Condition is New, TTi PL303QMD-P - Dual 0-30V/0-3A USB/RS232/LAN(LXI), FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $749.00 | Top Pick! Condition is Used, TTi PL303QMD Quad-Mode Dual Power Supply 30V 3A/6A, 120V/230V Opera (3372405), shipping cost = $63.24 | 99.4% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $2200.00 | Condition is New – Open box, TTI PL303QMD-P 51180-0900 230V 1.6A NSMP, FREE SHIPPING | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $1300.00 | Condition is For parts or not working, TTI PL303QMD-P Quad-Mode Dual Power Supply Make Offers! UPS Shipping! B-3, shipping cost = $170.00 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $1960.12 | Condition is Nuovo, Aim TTi 51180-0300 PL303QMD Adjustable Lab Power Supply 0 - 30V/DC, shipping cost = $93.35 | 99.6% |

The TTI PL303QMD Quad Dual PL303 is a high-performance operational amplifier (op-amp) module manufactured by Texas Instruments. This amplifier is a quad version of the popular dual PL303 op-amp, making it an excellent choice for applications that require multiple amplifier circuits.
The PL303QMD op-amp is a low power, low noise, and high slew rate device. It offers a maximum gain of 100,000 and a voltage gain bandwidth product of 1MHz. The input voltage range is from -10V to 10V, making it suitable for a wide range of applications. The output voltage range is from -13V to 13V for single-supply applications and from -15V to 15V for dual-supply applications.
The PL303QMD op-amp is known for its excellent noise performance. It has a maximum input offset voltage of 1.5mV and a maximum input bias current of 150nA. The device also features internally compensated temperature drift, which ensures stable operation over a wide temperature range.
The package size of the PL303QMD op-amp is a standard 8-pin DIP (Dual In-line Package). The module comes in a plastic, RoHS compliant, lead-free package. It has a power consumption of approximately 5mW per amplifier when operating at a supply voltage of 5V and a quiescent current of 1.5mA per amplifier.
The PL303QMD op-amp is suitable for various applications, including instrumentation, audio, and control systems. Its low noise, high gain, and wide input voltage range make it an ideal choice for precision amplifier circuits, such as instrumentation amplifiers and voltage followers. The device is also commonly used in audio applications, such as audio amplifiers, equalizers, and compressors, due to its low distortion and high slew rate.
Overall, the TTI PL303QMD Quad Dual PL303 is a versatile and high-performance operational amplifier module that offers excellent noise performance, wide input voltage range, and low power consumption. It is an excellent choice for various applications where multiple amplifier circuits are required.
The TTI PL303QMD Quad Dual PL303 is a voltage regulator IC that comes in a quad package, enabling the implementation of four independent voltage regulators in a single package. Here are some pros and cons of buying this IC:
Pros:1. Space Saving: By integrating four independent regulators in a single package, the TTI PL303QMD Quad Dual PL303 offers a significant space saving solution for designs that require multiple voltage regulators.
2. Improved Efficiency: The IC's low dropout voltage and high efficiency make it an attractive option for powering digital circuits and other low-power applications.
3. Wide Input Voltage Range: The IC can handle input voltages ranging from 2.5V to 5.5V, making it suitable for a wide range of power supply designs.
4. Easy to Use: The TTI PL303QMD Quad Dual PL303 is relatively easy to use, as it requires only a few external components to function.
Cons:1. Limited Output Current: Each regulator on the IC can provide a maximum output current of 150mA, which may not be sufficient for high-power applications.
2. Thermal Considerations: The IC can generate significant heat when used in high-current applications, which may require additional thermal management solutions.
3. Limited Output Voltage Range: The IC can only generate output voltages within a range of 0.8V to 5.5V, which may not be suitable for all applications.
Conclusion:The TTI PL303QMD Quad Dual PL303 is a useful IC for designs that require multiple voltage regulators and have limited board space. Its low dropout voltage, high efficiency, and wide input voltage range make it an attractive option for powering digital circuits and other low-power applications. However, its limited output current and thermal considerations may limit its suitability for high-power applications.
Recommendation:If you are designing a power supply for a low-power application that requires multiple voltage regulators, the TTI PL303QMD Quad Dual PL303 is an excellent option to consider due to its compact size, low dropout voltage, and high efficiency. However, if you require higher output currents or more extensive output voltage ranges, you may need to consider alternative solutions.
Details:
True analog controls - for ease of use. Precision metering - for reduced uncertainty. Ultra-compact design - uses up less space. S-lock function - instantly lock settings.
Dc output switches and view limits button. V-span function - customise the voltage range. Now Tti has engineered an all-new design which retains all the key features of original pl series, but combines them with new and important features.features:: PL303QMD precision dc power supply, quad mode dual version pl303. New pl series - advanced linear regulated laboratory power supplies building on the success of a winning formalin 1980original series transformed customer expectations bench power supply and set format that has been extensively copied by other manufacturers.
Low current range and meter averaging. Over the years, pl series has been steadily revised and extended. Please consider troubleshooting prior to making a return request. Delectable remote sense terminals.
Photos are greatly appreciated.
specifications testmultimeters:
- brand: Tti
- mpn: Pl303qmd
- features: Pl303qmd Precision Dc Power Supply, Quad Mode Dual Version Of Pl303
shipping testmultimeters:
- transit: 4-8 days
- type: fixed
- service: economy
- class: economy
payments testmultimeters:
- credit card: mastercard
- wallet: google-pay
- other
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
seller testmultimeters:
- city: worcester, pennsylvania
- # reviews: 12634
- rating: 99.6%
offer testmultimeters:
- started: december 12, 2025
- sold #: 12
- availability: in stock
- in stock #: 5
- prices: $749.00–$2200.00
- item condition:
- New
- Used
- New – Open box
- For parts or not working
- Nuovo
- options: ship-to-home
returns testmultimeters:
- method: money back
- policy: returns accepted
- paid by: seller
- time: 30 days





