2 / 5 page
2
52 KHz 3A Step-Down
Switching Voltage Regulator (SVR)
N2576G-5
TO-220, TO263
Lead-Free
MAY-21-2004
NIKO-SEM
ABSOLUTE MAXIMUM RATINGS
Maximum Supply Voltage
30V
ON/OFF Pin Input Voltage
-0.3
≤V≤+V
I
Thermal Resistance
Junction to Ambient,
θ
JA
TO-220
TO-263
50°C/W
60°C/W
Output Voltage to Ground
(Stead State)
-1V
Operating Junction
Temperature Range
-40 to 125°C
Power Dissipation
Internally
Limited
Storage Temperature
Range
-65 to 150°C
Thermal Resistance
Junction to Case,
θ
JC
2.0°C/W
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
5V
4.9VMin
5.1VMax
Output Voltage
VOUT
8V
≤ V
IN ≤ 27V
0.5A
≤ I
LOAD ≤ 3A
5V
4.8VMin
5.2VMax
Efficiency
η
VIN = 12V, VOUT = 3.3V
IOUT = 3A
77%
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-5 parts name.