ISL78223 Datasheet, PDF (10/20 Pages) Intersil Corporation – ZVS Full-Bridge PWM Controller with Adjustable Synchronous Rectifier Control

ISL78223
Typical Performance Curves
1.02
1.01
1
0.99
0.98
-40 -25 -10 5 20 35 50 65 80 95 110
TEMPERATURE (°C)
FIGURE 3. REFERENCE VOLTAGE vs TEMPERATURE
25
24
23
22
21
20
19
18
0
200
400
600
800
RTD CURRENT (µA)
1000
FIGURE 4. CT DISCHARGE CURRENT GAIN vs RTD CURRENT
1-10⁴
CT = 680pF
CT = 470pF
1-10³
CT = 1000pF
CT = 100pF
CT = 220pF
100
CT = 330pF
1-10³
RTD = 10kΩ
100
RTD = 50kΩ
RTD = 100kΩ
10 _{0 10 20 30 40 50 60 70 80 90 100}
RTD (kΩ)
FIGURE 5. DEADTIME (DT) vs CAPACITANCE
10
0.1
1
10
CT (nF)
FIGURE 6. CAPACITANCE vs FREQUENCY
10
FN7936.1
January 2, 2013