Product Information
Pilot Rd. 920
Nevada
Las Vegas, Vereinigte Staaten, 89119
[email protected]
https://www.pololu.com/
Am Ostbahnhof 3
Niedersachsen
Clausthal-Zellerfeld, Deutschland, 38678
[email protected]
https://eckstein-shop.de
GTIN: | 4060137015724 |
HAN: | 2561 |
Category: | Step-Up |
Regulator-Function: | Step-Up |
Output-Type: | fixed |
Output Voltage: | 3.3V |
Operating Voltage max.: | 5.5V |
Operating Voltage min.: | 0.5V |
Quiescent Current max.: | 1mA |
Input Current max.: | 1200mA |
Storage Tiers: | Maintain |
Shipping weight: | 0,01 kg |
Item weight: | 0,00 kg |
Dimensions ( Length × Width × Height ): | 1,20 × 1,60 × 0,30 cm |
Product Description
Overview
This 3.3 V boost (step-up) voltage regulator generates higher output voltages from input voltages as low as 0.5 V, and it also automatically switches to a linear down-regulation mode when the input voltage exceeds the output. This makes it great for powering 3.3 V electronics projects from 1 to 3 NiMH, NiCd, or alkaline cells or from a single lithium-ion cell. Additionally, unlike most boost regulators, this unit offers a true shutdown option that turns off power to the load (with typical boost regulators, the input voltage will pass directly through to the output when they are disabled).
When boosting, this module acts as a switching regulator (also called switched-mode power supplies (SMPS) or DC-to-DC converters) and has a typical efficiency between 70% to 90%. The available output current is a function of the input voltage, output voltage, and efficiency (seeTypical Efficiency and Output Currentsection below), but the input current can typically be as high as 1.2 A. This regulator is also available with afixed 5 Voradjustableoutput, and very similar regulators are available in a much smaller size with afixed 3.3 Vorfixed 5 Voutput.
The regulator’s thermal shutdown engages at around 140°C and helps prevent damage from overheating, but it does not have reverse-voltage protection.
Features
- Input voltage: 0.5 V to 5.5 V
- Fixed 3.3 V output with 4% accuracy
- True shutdown option that turns off power to the load
- Automatic linear down-regulation when the input voltage is greater than the output voltage
- 1.2 A switch allows for input currents up to 1.2 A
- Good efficiency at light load: <1 mA typical no-load quiescent current, though it can exceed 1 mA for very low input voltages (<100 µA typical quiescent current withSHDN = LOW)
- Integrated over-temperature shutoff
- Small size: 0.45? × 0.6?; × 0.1? (12 × 15 × 3 mm)
Dimensions
- Size: 0.45? × 0.6? × 0.1?1
- Weight: 0.7 g1
General specifications
- Minimum operating voltage: 0.5 V
- Maximum operating voltage: 5.5 V
- Maximum input current: 1.2 A2
- Output voltage: 3.3 V
- Reverse voltage protection?: N
- Maximum quiescent current: 1 mA3
Identifying markings
- PCB dev codes: reg12a
- Other PCB markings: 0J7440
Notes:
- Without included optional headers.
- Regulator may overheat at lower input currents when VIN is much lower than VOUT. Available output current is a function of VIN, VOUT, and the regulator efficiency.
- The highest quiescent currents occur at very low input voltages; for most of the input voltage range, the quiescent current is well below 1 mA.
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3D model of the Step-Up Voltage Regulator U1V11x
Manufacturer according to GPSR
Pololu Corporation, Pilot Rd. 920, 89119 Las Vegas, Nevada, Vereinigte Staaten, [email protected], https://www.pololu.com/
Responsible person according to GPSR
Eckstein GmbH, Am Ostbahnhof 3, 38678 Clausthal-Zellerfeld, Niedersachsen, Deutschland, [email protected], https://eckstein-shop.de