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Specifications
SKU: 848334
Linear Voltage Regulator IC; Output Current Max:150mA; Package/Case:3-TO-263; Current Rating:1.5A; Output Voltage Max:3.3V; Voltage Regulator Type:Low Dropout LDO; Mounting Type:Through Hole RoHS Compliant: Yes
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Voltage | VIN | Continuous | 4.5 | - | 20 | V |
| Output Voltage | VOUT | Fixed | - | 3.3 | - | V |
| Output Current | IOUT | Continuous | - | 1 | 1.5 | A |
| Dropout Voltage | VD | IOUT = 1A | - | 1.2 | - | V |
| Quiescent Current | IQ | VIN = 5V, VOUT = 3.3V | - | 60 | - | μA |
| Shutdown Current | ISD | VIN = 5V, SHDN = 0V | - | 1 | - | μA |
| Transient Response | ΔVOUT | Load Step 0A to 1A | - | 50 | - | mV |
| Power Dissipation | PD | TA = 25°C | - | 3.7 | - | W |
| Operating Temperature | TOPR | Junction | -40 | - | 125 | °C |
| Storage Temperature | TSTG | - | -40 | - | 150 | °C |
Instructions for Use:
Input Voltage (VIN):
- Ensure the input voltage is within the range of 4.5V to 20V.
- The regulator will not function properly outside this range.
Output Voltage (VOUT):
- The output voltage is fixed at 3.3V. No external resistors are required for voltage setting.
Output Current (IOUT):
- The device can provide up to 1.5A of continuous current, with a typical output current of 1A.
- For higher currents, ensure adequate heat dissipation.
Dropout Voltage (VD):
- The dropout voltage is typically 1.2V at 1A output current. This means the input voltage must be at least 4.5V (3.3V + 1.2V) to maintain regulation.
Quiescent Current (IQ):
- The quiescent current is 60μA under normal operating conditions. This is the current consumed by the regulator itself.
Shutdown Current (ISD):
- When the shutdown pin (SHDN) is pulled low (0V), the shutdown current is reduced to 1μA.
Transient Response:
- The output voltage deviation during a load step from 0A to 1A is typically 50mV. This ensures stable operation during dynamic load changes.
Power Dissipation (PD):
- The maximum power dissipation at 25°C ambient temperature is 3.7W. Ensure proper heat sinking if operating near this limit.
Operating Temperature (TOPR):
- The operating temperature range for the junction is -40°C to 125°C. Ensure the device does not exceed these limits to avoid damage.
Storage Temperature (TSTG):
- The storage temperature range is -40°C to 150°C. Store the device in a dry, cool place to prevent degradation.
Additional Notes:
- Heat Sinking: For high current applications, consider using a heat sink to manage power dissipation and maintain thermal stability.
- Capacitors: Use appropriate input and output capacitors to ensure stability and reduce ripple. Refer to the datasheet for recommended values.
- PCB Layout: Follow good PCB layout practices to minimize noise and improve performance. Keep traces short and wide, and use ground planes where possible.
Inquiry - MIC29150-3.3WU
