| Allicdata Part #: | 296-25737-2-ND |
| Manufacturer Part#: |
TPS78228QDRVRQ1 |
| Price: | $ 0.25 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC REG LINEAR 2.8V 150MA 6SON |
| More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
| DataSheet: |  TPS78228QDRVRQ1 Datasheet/PDF |
| Quantity: | 1000 |
| 3000 +: | $ 0.22403 |
| 6000 +: | $ 0.21283 |
| 15000 +: | $ 0.20483 |
Specifications
| Current - Output: | 150mA |
| Base Part Number: | TPS78228 |
| Supplier Device Package: | 6-SON (2x2) |
| Package / Case: | 6-WDFN Exposed Pad |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 125°C |
| Protection Features: | Over Current, Over Temperature, Reverse Polarity |
| Control Features: | Enable |
| PSRR: | 40dB ~ 15dB (10Hz ~ 1kHz) |
| Current - Supply (Max): | 8µA |
| Current - Quiescent (Iq): | 1.3µA |
| Series: | Automotive, AEC-Q100 |
| Voltage Dropout (Max): | 0.25V @ 150mA |
| Voltage - Output (Max): | -- |
| Voltage - Output (Min/Fixed): | 2.8V |
| Voltage - Input (Max): | 5.5V |
| Number of Regulators: | 1 |
| Output Type: | Fixed |
| Output Configuration: | Positive |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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TPS78228QDRVRQ1 is a low-dropout ±3 A/3.3 V linear regulator. The device allows step down output voltage regulation in a very small footprint. It provides excellent load and line regulation, is stable over a wide range of input and output voltages, and has an enable pin to activate the regulator.The device offers very low dropout voltage (200 mV typ) over a wide range of input voltages from 1.8 V to 5.5 V. It features logic-level enable input, adjustable output voltage, and thermal limit protection.TPS78228QDRVRQ1 is designed for applications such as portable personal electronics equipment, point-of-load converters, and communications equipment. It is available in a small SOT-23-5 package and is specified to operate over an ambient temperature range of -40 °C to 125 °C.Application FieldIn portable personal electronics equipment, the TPS78228QDRVRQ1 can be used as a low-dropout regulator for powering microprocessors and other ICs. The device has a shutdown pin that allows turning off the voltage regulator for low-power standby modes. It is well suited for point-of-load (POL) applications where it can be used to generate a regulated output voltage from a higher input voltage. The regulator is simple to implement using low-cost external components, and its high efficiency enables it to conserve power and battery life. In communications equipment, the TPS78228QDRVRQ1 is well suited for powering transceivers requiring very low noise and high precision voltage references. Its low dropout voltage ensures excellent line and load regulation on the output voltage. Additionally, the enable pin can be used to shut off the regulator to extend battery life.Working PrincipleThe TPS78228QDRVRQ1 is a low-dropout, linear regulator that operates by controlling the base-emitter voltage of an external pass transistor. This allows the output voltage to remain relatively constant despite any changes in the input voltage or load current. The device features a low-dropout design, which means that it can maintain regulation at a very low input voltage. The device is enabled by an active-low enable input. When the enable input is pulled low, the output regulator is turned on and the output voltage is regulated by an external resistor divider, which sets the output voltage. For improved noise immunity and rejection of transients, the enable pin is pulled up to the input voltage through an external resistor. The device features a thermal shutdown function that limits the maximum junction temperature. If the junction temperature exceeds approximately 150°C, the regulator will be shut down and the output voltage will drop to its low value (typically 45mV) or ground. The output regulator will remain disabled until the junction temperature has cooled off and the thermal shutdown circuitry is reset. This is done by either removing the power supply to the device or by toggling the enable input once the junction temperature has cooled off.
The specific data is subject to PDF, and the above content is for reference
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