SPX3819M5-L-3-3/TR 3.3V 500mA Ultra-Low Noise (30μVRMS) LDO with Enable
Product Attributes
| Attribute |
Value |
| Function |
Step-Up, Step-Down |
| Output Configuration |
Positive or Negative |
| Topology |
Buck, Boost |
| Output Type |
Adjustable |
| Number of Outputs |
1 |
Product Description
The SPX3819 is a positive voltage regulator with a low dropout voltage and low noise output. In addition, this device offers a very low ground current of 800μA at 100mA output. The SPX3819 has an initial tolerance of less than 1% max and a logic compatible ON/OFF switched input. When disabled, power consumption drops to nearly zero.
Features
- Low Noise: 40μV Possible
- High Accuracy: 1%
- Reverse Battery Protection
- Low Dropout: 340mV at Full Load
- Low Quiescent Current: 90μA
- Zero Off-Mode Current
- Fixed and Adjustable Output Voltages:
- 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.3V and 5.0V Fixed Output Voltages
- ≥1.235V Adjustable Output Voltages
Applications
- Portable Consumer Equipment
- Portable Instrumentation
- Industrial Equipment
- SMPS Post Regulators
Other key features include reverse battery protection, current limit, and thermal shutdown. The SPX3819 includes a reference bypass pin for optimal low noise output performance. With its very low output temperature coefficient, this device also makes a superior low power voltage reference.
The SPX3819 is an excellent choice for use in battery-powered applications such as cordless telephones, radio control systems, and portable computers. It is available in several fixed output voltage options or with an adjustable output voltage.
Technical Information
| Category |
Integrated Circuits (ICs) Power Management (PMIC) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators |
| Mfr |
MaxLinear, Inc. |
| Series |
- |
| Packaging |
Tape and Reel (TR) Cut Tape (CT) Digi-Reel® |
| Part Status |
Active |
| Output Configuration |
Positive |
| Output Type |
Fixed |
| Number of Regulators |
1 |
| Voltage - Input (Max) |
16V |
| Voltage - Output (Min/Fixed) |
3.3V |
| Voltage - Output (Max) |
- |
| Voltage Dropout (Max) |
0.7V @ 500mA |
| Current - Output |
500mA |
| Current - Quiescent (Iq) |
8 µA |
| Current - Supply (Max) |
30 mA |
| PSRR |
- |
| Control Features |
Enable |
| Protection Features |
Over Current, Over Temperature, Reverse Polarity |
| Operating Temperature |
-40°C ~ 125°C |
| Mounting Type |
Surface Mount |
| Package / Case |
SC-74A, SOT-753 |
| Supplier Device Package |
SOT-23-5 |
| Base Product Number |
SPX3819 |
Product Drawings
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