SM8121A Datasheet, PDF (5/19 Pages) Nippon Precision Circuits Inc – White LED Driver IC

Typical Characteristics
V_SS = 0V, Ta = 25°C unless otherwise noted
SM8121A
1200
1000
800
600
400
200
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply voltage (VDD) [V]
V_DD vs. f_OSC
10
9
8
7
6
5
4
3
2
1
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply voltage (VDD) [V]
V_DD vs. I_CE (V_CE = V_DD)
500
400
300
200
100
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply voltage (VDD) [V]
V_DD 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
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply voltage (VDD) [V]
V_DD vs. V_FB
100
90
80
70
60
50
40
30
20
10
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply voltage (VDD) [V]
V_DD vs. Duty
2.5
2.0
1.5
1.0
0.5
0.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply voltage (VDD) [V]
V_DD vs. V_TH
1000
900
800
700
600
500
400
300
200
100
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply voltage (VDD) [V]
V_DD vs. T_SS
200
175
150
125
100
75
50
25
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply voltage (VDD) [V]
V_DD vs. I_STB (V_CE = 0V)
800
700
600
500
400
300
200
100
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply voltage (VDD) [V]
V_DD vs. I_DD (V_FB = 0V)
5
4
3
2
1
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply voltage (VDD) [V]
V_DD vs. R_ON
10
9
8
7
6
5
4
3
2
1
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply voltage (VDD) [V]
V_DD vs. I_FB (V_FB = 0.5V)
50
40
30
20
10
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply voltage (VDD) [V]
V_DD vs. I_LEAK
NIPPON PRECISION CIRCUITS INC.—5