ABSOLUTE MAXIMUM RATINGS
l Maximum Supply Voltage 30V l ON/OFF Pin Input Voltage -0.3≤V≤+V I l Thermal Resistance
Junction to Ambient, θJA
TO-220
TO-263
50°C/W
60°C/W
l Output Voltage to Ground
(Stead State) -1V l Operating Junction
Temperature Range -40 to 125°C
l Power Dissipation Internally
Limited
l Storage Temperature
Range -65 to 150°C
l Thermal Resistance
Junction to Case, θJC 2.0°C/W l Lead Temperature
(Soldering, 10 Seconds) 260°C
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, T A = 25°C.) Parameter Symbol Test Conditions Typical Limits
Output Voltage V OUT V IN = 12V
I LOAD = 0.5A 3.3V 3.234V Min
3.366V Max
Output Voltage V OUT 8V ≤ V IN≤ 27V
0.5A ≤ I LOAD≤ 3A 3.3V 3.168V Min
3.450V Max
Efficiency ￡b V IN = 12V, V OUT = 3.3V
I OUT = 3A 75%
Oscillator
Frequency F OSC52 KHz 47 KHz (Min) 58 KHz (Max)
Saturation Voltage V SAT I OUT = 3A 1.4V 1.8V Max Current Limit I CL 6.0A 4.0A ~ 7.0A
V IH V OUT = 0V 1.4V 2.2V (Min) ON/OFF Pin Logic
Input Level V IL V OUT = Nominal Output Voltage 1.2V 1.0V (Max)
I IH ON/OFF Pin = 5V (OFF) 12μA 30μA (Max) ON/OFF Pin Logic
Input Current I IL ON/OFF Pin = 0V (ON) 0μA 10μA (Max) REMARK: Orders for parts with Lead-Free plating can be placed using the N2576XG-3.3 parts name.