SNVS856B – JUNE 2012 – REVISED MAY 2013
TYPICAL PERFORMANCE CHARACTERISTICS
All curves taken at V
CC
=18V with configuration in typical application for driving seven power LEDs with I
LED
=350mA shown in
this datasheet. T
A
=25°C, unless otherwise specified.
15.0
14.5
14.0
VCC-UVLO(V)
13.5
13.0
12.5
12.0
11.5
11.0
-50
-25
0
25 50 75
TEMPERATURE (°
C)
Figure 2.
100 125
V
CC-UVLO
vs Temperature
29
VCCSTARTUP VOLTAGE (V)
28
27
26
25
24
23
22
21
V
CC
Startup Voltage vs Temperature
-50
-25
0
25
50
75
TEMPERATURE (°
C)
Figure 3.
100 125
150
140
TOFF-MAX( s)
130
T
OFF-MAX
vs Temperature
580
560
540
TON-MIN(ns)
520
500
480
460
440
420
T
ON-MIN
vs Temperature
120
110
100
90
80
-50
-25
0
25 50 75
TEMPERATURE (°
C)
Figure 4.
100 125
-50 -25
0
25 50 75 100 125
TEMPERATURE (°
C)
Figure 5.
3.0
2.8
I
VCC-SD
vs Temperature
4.7
4.6
4.5
VZCD-OVP(V)
4.4
4.3
4.2
4.1
4.0
3.9
V
ZCD-OVP
vs Temperature
2.6
IVCC-SD(mA)
2.4
2.2
2.0
1.8
1.6
-50
-25
0
25 50 75
TEMPERATURE (°
C)
Figure .
100 125
-50
-25
0
25 50 75
TEMPERATURE (°
C)
Figure 6.
100 125
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5
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