Specifications
SKU: 758188
FIXED POSITIVE LDO REGULATOR, 3.3V, 0.5V DROPOUT, BIPOLAR, PSIP3
Parameter | Symbol | Min | Typ | Max | Unit | Condition |
---|---|---|---|---|---|---|
Input Voltage | VIN | 2.7 | - | 5.5 | V | |
Output Voltage | VOUT | - | 3.3 | - | V | Fixed |
Output Current | IOUT | - | 300 | - | mA | Typical |
Quiescent Current | IQ | - | 1.2 | - | mA | No Load |
Dropout Voltage | VDROPOUT | - | 250 | - | mV | IOUT = 300mA |
Line Regulation | ΔVOUT/ΔVIN | - | 0.1 | - | %/V | IOUT = 300mA, VIN = 2.7V to 5.5V |
Load Regulation | ΔVOUT/ΔIOUT | - | 0.1 | - | %/A | VIN = 3.3V, IOUT = 0 to 300mA |
Ripple Rejection | RR | - | 60 | - | dB | f = 100Hz |
Operating Temperature Range | TOPR | -40 | - | 85 | °C | Storage: -40°C to 125°C |
Storage Temperature Range | TSTG | -40 | - | 125 | °C |
Instructions for Using TA48033F
Input Voltage (VIN):
- Ensure the input voltage is within the range of 2.7V to 5.5V.
- Use appropriate input capacitors to stabilize the input voltage. A typical value is 10μF ceramic capacitor placed close to the input pin.
Output Voltage (VOUT):
- The output voltage is fixed at 3.3V. No external resistors are required for setting the output voltage.
- Use an output capacitor to filter out any ripple. A typical value is 10μF ceramic capacitor placed close to the output pin.
Output Current (IOUT):
- The device can provide up to 300mA of output current.
- Ensure that the load does not exceed this limit to avoid overheating or damage.
Quiescent Current (IQ):
- The quiescent current is typically 1.2mA when there is no load.
- This should be considered in low-power applications.
Dropout Voltage (VDROPOUT):
- The dropout voltage is typically 250mV at full load (300mA).
- Ensure that the input voltage is at least 250mV higher than the output voltage to maintain regulation.
Line and Load Regulation:
- The line regulation is 0.1% per volt, and the load regulation is 0.1% per amp.
- These parameters ensure stable output voltage over a wide range of input voltages and load currents.
Ripple Rejection:
- The device has a ripple rejection of 60dB at 100Hz, which helps in filtering out input voltage noise.
Operating and Storage Temperature:
- The operating temperature range is -40°C to 85°C.
- The storage temperature range is -40°C to 125°C.
PCB Layout:
- Place the input and output capacitors as close as possible to the respective pins to minimize inductance and improve stability.
- Use a ground plane to help dissipate heat and reduce noise.
Thermal Considerations:
- The device is designed to operate efficiently, but ensure proper heat dissipation if it will be used in high ambient temperatures or with high output currents.
- Consider using a heatsink if necessary.
Handling Precautions:
- Handle the device with care to avoid static damage.
- Follow ESD (Electrostatic Discharge) precautions during handling and assembly.
By following these guidelines, you can ensure optimal performance and reliability of the TA48033F in your application.
(For reference only)Inquiry - TA48033F