STR3A152: Top Choice in United States (USA) Utsource Holding Company Limited

Description

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	V_IN	Continuous	2.9		5.5	V
Output Voltage	V_OUT	Fixed		3.3		V
Output Current	I_OUT	Continuous			1.5	A
Quiescent Current	I_Q	V_IN = 5V		10		μA
Dropout Voltage	V_DROPOUT	I_OUT = 1.5A		400		mV
Shutdown Current	I_SD	VIN = 5V		1		μA
Operating Temperature	T_OP		-40		85	°C

Power Supply Connection:
- Connect the input voltage (V_IN) between 2.9V and 5.5V to the input pin.
- Ensure a stable power supply to avoid voltage fluctuations.
Output Configuration:
- The output voltage is fixed at 3.3V.
- Ensure that the load current does not exceed 1.5A to prevent damage to the device.
Thermal Considerations:
- For applications where the device operates near its maximum current, consider using a heat sink or ensuring adequate ventilation to manage heat dissipation.
Quiescent Current:
- At an input voltage of 5V, the quiescent current is typically 10μA, which helps in minimizing power consumption.
Dropout Voltage:
- When operating at full load (1.5A), the dropout voltage is around 400mV. Ensure the input voltage remains sufficiently higher than the output voltage by this margin.
Shutdown Mode:
- Utilize the shutdown feature to reduce power consumption. In shutdown mode, the current draw is approximately 1μA at an input voltage of 5V.
Operating Temperature Range:
- The device can operate within a temperature range from -40°C to 85°C. Ensure that environmental conditions do not exceed these limits.
Capacitor Requirements:
- Place a 1μF ceramic capacitor close to the input pin for stability.
- An output capacitor of at least 1μF is recommended for proper regulation.

(For reference only)