SM8121A Datasheet, PDF (6/19 Pages) Nippon Precision Circuits Inc – White LED Driver IC

SM8121A
V_DD = 3.6V, V_SS = 0V unless otherwise noted
1200
1000
800
600
400
200
0
−50 −25 0 25 50 75 100
Operating temperature (Topr) [°C]
T_opr vs. f_OSC
10
9
8
7
6
5
4
3
2
1
0
−50 −25 0 25 50 75 100
Operating temperature (Topr) [°C]
T_opr vs. I_CE (V_CE = V_DD)
500
400
300
200
100
0
−50 −25 0 25 50 75 100
Operating temperature (Topr) [°C]
T_opr vs. I_DD (V_FB = 1.0V)
0.520
0.515
0.510
0.505
0.500
0.495
0.490
0.485
0.480
−50 −25 0 25 50 75 100
Operating temperature (Topr) [°C]
T_opr vs. V_FB
100
90
80
70
60
50
40
30
20
10
0
−50 −25 0 25 50 75 100
Operating temperature (Topr) [°C]
T_opr vs. Duty
2.5
2.0
1.5
1.0
0.5
0.0
−50 −25 0 25 50 75 100
Operating temperature (Topr) [°C]
T_opr vs. V_TH
800
700
600
500
400
300
200
100
0
−50 −25 0 25 50 75 100
Operating temperature (Topr) [°C]
T_opr vs. I_DD (V_FB = 0V)
5
4
3
2
1
0
−50 −25 0 25 50 75 100
Operating temperature (Topr) [°C]
T_opr vs. R_ON
1000
900
800
700
600
500
400
300
200
100
0
−50 −25 0
25 50 75 100
Operating temperature (Topr) [°C]
T_opr vs. T_SS
3500
3000
2500
2000
1500
1000
500
0
−50 −25 0 25 50 75 100
Operating temperature (Topr) [°C]
T_opr vs. I_STB (V_CE = 0V)
500
450
400
350
300
250
200
150
100
50
0
−50
−50 −25 0 25 50 75 100
Operating temperature (Topr) [°C]
T_opr vs. I_FB (V_FB = 0.5V)
2000
1750
1500
1250
1000
750
500
250
0
−50 −25 0 25 50 75 100
Operating temperature (Topr) [°C]
T_opr vs. I_LEAK
NIPPON PRECISION CIRCUITS INC.—6