CS1600_1007 Datasheet, PDF (5/18 Pages) Cirrus Logic – LOW-cost PFC Controller for Electronic Ballasts

CS1600
3. TYPICAL ELECTRICAL PERFORMANCE
3.5
13
3
C_L = 1 nF
f_SW(max) = 70 kHz
12
2.5
T_A = 25 °C
11
2
10
1.5
9
1
Startup
0.5
Falling
Rising
0
0 2 4 6 8 10 12 14 16 18 20
V_DD (V)
Figure 1. UVLO Characteristics
8
UVLO
7
-50
0
50
100
150
TEMP (oC)
Figure 2. Start-up & UVLO vs. Temperature
2
19
I_DD = 20 mA
1.5
18.5
1
18
0.5
17.5
0
-50
0
50
100
TEMP (oC)
Figure 3. UVLO Hysteresis vs. Temperature
17
150
-50
0
50
100
150
TEMP (oC)
Figure 4. VDD Zener Voltage vs. Temperature
DS904A7
5