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52 KHz 3A Step-Down
Switching Voltage Regulator (SVR)
N2576G-3.3
TO-220, TO263
Lead-Free
Feb-02-2005
NIKO-SEM
ABSOLUTE MAXIMUM RATINGS
l Maximum Supply Voltage
30V
l ON/OFF Pin Input Voltage
-0.3
≤V≤+VI
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, TA = 25°C.)
Parameter
Symbol
Test Conditions
Typical
Limits
Output Voltage
VOUT
VIN = 12V
ILOAD = 0.5A
3.3V
3.234VMin
3.366VMax
Output Voltage
VOUT
8V
≤ VIN ≤ 27V
0.5A
≤ ILOAD ≤ 3A
3.3V
3.168VMin
3.450VMax
Efficiency
η
VIN = 12V, VOUT = 3.3V
IOUT = 3A
75%
Oscillator
Frequency
FOSC
52 KHz
47 KHz (Min)
58 KHz (Max)
Saturation Voltage
VSAT
IOUT = 3A
1.4V
1.8VMax
Current Limit
ICL
6.0A
4.0A ~ 7.0A
VIH
VOUT = 0V
1.4V
2.2V (Min)
ON/OFF Pin Logic
Input Level
VIL
VOUT = Nominal Output Voltage
1.2V
1.0V (Max)
IIH
ON/OFF Pin = 5V (OFF)
12
µA
30
µA (Max)
ON/OFF Pin Logic
Input Current
IIL
ON/OFF Pin = 0V (ON)
0
µA
10
µA (Max)
REMARK: Orders for parts with Lead-Free plating can be placed using the N2576XG-3.3 parts name.
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