ISL6121LIB-T Intersil, ISL6121LIB-T Datasheet - Page 5

• Manufacturer Part Number: ISL6121LIB-T
• Description: IC SUPPLY/CURR LIMIT CTRLR 8SOIC
• Manufacturer: Intersil

Specifications of ISL6121LIB-T

• Applications: Single Supply/Current Limiting Controller
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Supply: -
• Voltage - Input: -

Typical Performance Curves
VOUT (1V/DIV.)
FIGURE 6. CURRENT REGULATION vs VOUT (VIN = 5.0V)
2400
2200
2000
1800
1600
FAULT
ENABLE
CL = 0.1µF, 10µF
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
= 100µF
o
o
o
C
C
C
3.0
REGULATION
TIME (1.4ms)
CURRENT
3.5
SETTLING
2A CURRENT
LIMIT
TIME (200µs/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
VOUT (V)
85
-40
25
VIN = 3.3V
VIN = 2.7V
o
o
o
C
C
C
2.25
CURRENT REGULATED
o
2.5
C)
TIME (200µs /DIV.)
LEVEL
2.75
November 12, 2004
VIN = 5V
80 90 100
3.0
FN9004.2
3.1