ISL6118 Datasheet, PDF (5/10 Pages) Intersil Corporation – Dual Power Supply Controller

Typical Performance Curves
ISL6118
ON
ENABLE
FAULT
V_OUT
OFF
LATCH-OFF SET
RESET BY
ENABLE
CURRENT REGULATION
SETTLING TIME (1.4ms)
OVERCURRENT
I_OUT
0.6A CURRENT
LIMIT
12ms CURRENT REGULATION PERIOD
FIGURE 1. OPERATIONAL WAVEFORMS
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 0.4A
3.1
700
-40°C
650
600
25°C
550
85°C
500
1.25 1.5
1.75 2.0 2.25 2.5
V_OUT (V)
2.75 3.0
FIGURE 4. CURRENT REGULATION vs V_OUT (VIN = 3.3V)
ENABLE
C_L = 0.1µF
t_PD
560µs
C_L = 100µF
C_L = 10µF
V_OUT
V_OUT VOLTAGE (0.5V/DIV)
TIME (400µs/DIV)
FIGURE 3. V_OUT SOFT START vs C_L and PROP DELAY, R_l = 8Ω
700
-40°C
650
25°C
600
85°C
550
500
1.3 1.5 2.0 2.5 3.0 3.5 4.0 4.5 4.8
V_OUT (V)
FIGURE 5. CURRENT REGULATION vs V_OUT (VIN = 5V)
5