ISL6121 Intersil Corporation, ISL6121 Datasheet - Page 5

• Manufacturer Part Number: ISL6121
• Description: Single Supply Integrated Current Limiting Controller
• Manufacturer: Intersil Corporation

Typical Performance Curves
VOUT (1V/DIV.)
FIGURE 6. CURRENT REGULATION vs VOUT (VIN = 5.0V)
2400
2200
2000
1800
1600
FAULT
ENABLE
CL = 0.1 F, 10 F
IOUT
FIGURE 4. VOUT SOFT START vs CLOAD
VOUT
FIGURE 2. OPERATIONAL WAVEFORMS
1.3 1.5
OVER CURRENT
ON
OFF
LATCH-OFF SET
2.0
12ms CURRENT REGULATION PERIOD
2.5
5
C
VOUT (V)
-40
25
85
L
ENABLE
= 100 F
o
o
o
C
C
C
3.0
REGULATION
TIME (1.4ms)
CURRENT
3.5
SETTLING
2A CURRENT
LIMIT
TIME (200 s/DIV.)
RESET BY
4.0
ENABLE
VOUT
4.5
4.8
ISL6121
FIGURE 5. CURRENT REGULATION vs VOUT (VIN = 3.3V)
2400
2200
2000
1800
1600
FIGURE 7. OC TO CR SETTLING TIME WAVEFORMS
75
70
65
60
55
50
45
40
35
-40 -30 -20 -10
FIGURE 3. SWITCH RESISTANCE AT 1A
1.25
NOMINAL CURRENT
1.5
0 10
1.75
TEMPERATURE (
2.0
20 30 40 50 60 70 80 90 100
VOUT (V)
-40
85
25
VIN = 3.3V
VIN = 2.7V
o
o
o
C
C
C
2.25
CURRENT REGULATED
o
2.5
C)
TIME (200 s /DIV.)
LEVEL
2.75
VIN = 5V
3.0
3.1