NR120E Datasheet, PDF (5/13 Pages) Sanken electric – 3A, 18V, Buck Regulator

3A, 18V, Buck Regulator
NR120E series
NR121E Typical Performance Characteristics
Output startup
V_O=3.3V, Load = Constant Resistance, I_O=0.5A
4
3.5
3
2.5
2
1.5
1
0.5
0
3
3.5
4
4.5
5
5.5
6
Input Voltage : V_IN [V]
Nov./10/2015
Over Current Protection
V_O=3.3V
4
3
2
VIN=8V
1
VIN=12V
VIN=16V
0
0
1
2
3
4
5
Output Current : Io [A]
3.35
3.33
3.31
3.29
3.27
3.25
0
Load Regulation
V_O=3.3V
VIN=8V
VIN=12V
VIN=18V
1
2
3
Output Current : Io [A]
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0
Shutdown Supply Current
V_EN=0V
2 4 6 8 10 12 14 16 18
Input Voltage : V_IN [V]
400
390
380
370
360
350
340
330
320
310
300
0
Switching Frequency
V_O=3.3V
VIN=8V
VIN=12V
VIN=18V
1
2
3
Output Current : Io [A]
Supply Current
V_O=3.3V
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0 2 4 6 8 10 12 14 16 18
Input Voltage : V_IN [V]
Rev.1.1
SANKEN ELECTRIC CO., LTD.
5
http://www.sanken-ele.co.jp