3.3V Regulator Specifications

Typical Performance Characteristics
The device can be expected to perform as characterized within these parameters
Characteristic Min Typical Max
Input voltage Vout+1.3V 30V
Output Current (RMS)
1
0A 1A
Pulsed Output Current (5 sec) 1.5A
Output Ripple 30mV 70mV 100mV
Efficiency (See Figure 2 and Figure 3) 65% 83% 87%
Transient response in load regulation (0-1A pulses, 1ms, Vp-p) 4%
Power dissipation 100mW 800mW 1.2W
Power output in still air 0W 5W
Quiescent current draw (Vin = 12V) 16mA
Thermal Derating in still air See Figure 4
1
For input voltages above 25V, an output current of at least 40mA is needed to maintain the
regulated output voltage. This can be accomplished by adding a 1kΩ load resistor, or by simply
connecting the load you wanted to use anyway.
Absolute Maximum ratings
Operation beyond these parameters may permanently damage the device
Characteristic Min Max
Input voltage 0V 35v
Output Current 0A 1.5A
Power dissipation 1.5W
Ambient Temperature -20C 70C
Figure 2: Efficiency vs. Input Voltage