ISL6119_14 Datasheet, PDF (6/13 Pages) Intersil Corporation – USB Dual Port Power Supply Controller

ISL6119
Typical Performance Curves
120
110
100
VIN = 2.7V
90
80
VIN = 5V
70
60
VIN = 3.3V
50
40
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
TEMPERATURE (°C)
FIGURE 2. SWITCH ON RESISTANCE AT 0.7A
ENABLE
10µF
CL = 0.1µF
OUTPUT
C_L = 100µF
TIME (400µs/DIV)
FIGURE 3. VOUT SOFT START vs C_LOAD, Rl = 10Ω
1200
1100
3.1
-40°C
1000
+25°C
900
+85°C
800
1.25 1.5 1.75 2.0 2.25 2.5 2.75 3.0
VOUT (V)
FIGURE 4. CURRENT REGULATION vs Vout (VIN = 3.3V)
1200
1100
1000
900
-40°C
+25°C
+85°C
800
1.3 1.5 2.0 2.5 3.0 3.5 4.0 4.5 4.8
VOUT (V)
FIGURE 5. CURRENT REGULATION vs VOUT (VIN = 5.0V)
CURRENT REGULATED
LEVEL
NOMINAL CURRENT
TIME (200µs /DIV)
FIGURE 6. OC TO CR SETTLING TIME WAVEFORMS
6
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1 2 3 4 5 6 7 8 9 10
FAULT CURRENT (A)
FIGURE 7. CR SETTLING TIME vs FAULT CURRENT