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ISL6121
Absolute Maximum Ratings
Thermal Information
Supply Voltage (V+ to V-). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0V
Thermal Resistance (Typical, Note 1)
θ JA ( o C/W)
EN, FAULT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6V
OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND-0.3V to VIN +0.3V
DC Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V SUPPLY
Output Current . . . . . . . . . . . . . . . . . . . . . . .Short Circuit Protected
8 Lead SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Maximum Junction Temperature (Plastic Package) . . . . . . . .150 o C
Maximum Storage Temperature Range . . . . . . . . . . -65 o C to 150 o C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300 o C
ESD Rating
Human Body Model (Per MIL-STD-883 Method 3015.7) . . . . 3KV
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . -40 o C to 85 o C
Supply Voltage Range (Typical) . . . . . . . . . . . . . . . . . . 2.5V to 5.5V
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1. θ JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications
V SUPPLY = 5V, Unless Otherwise Specified.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
POWER SWITCH
ISL6121 On Resistance at 2.7V
ISL6121 On Resistance at 3.3V
ISL6121 On Resistance at 5.0V
Disabled Output Voltage
Output Voltage Rising Rate
Slow VOUT Turn-off Rate
Fast VOUT Turn-off Rate
r DS(ON)_27
r DS(ON)_33
r DS(ON)_50
V OUT_DIS
t_vout_rt
t_svout_offt
t_fvout_offt
VIN = 2.7V, IOUT = 0.8A, T A = T J = 25 o C
T A = T J = 85 o C
VIN = 3.3V, IOUT = 0.8A, T A = T J = 25 o C
T A = T J = 85 o C
VIN = 5V, IOUT = 0.8A, T A = T J = 25 o C
T A = T J = 85 o C
VIN = 5V, Switch Disabled, 50 μ A Load
R L = 10 ? , C L = 0.1 μ F, 10%-90%
R L = 10 ? , C L = 0.1 μ F, 90%-10%
R L = 1 ? , C L = 0.1 μ F, 90%-10%
-
-
-
-
-
-
-
-
-
-
60
-
50
-
50
-
300
10
10
3
70
80
60
75
60
75
450
-
-
-
m ?
m ?
m ?
m ?
m ?
m ?
mV
V/ms
V/ms
V/ μ s
CURRENT CONTROL
Current Limit, VIN = 5V
OC Regulation Settling Time
Severe OC Regulation Settling Time
Over Current Latch-off Time
Ilim
tsett Ilim
tsett Ilim_sev
t OC_loff
VOUT = 3.3V
R L = 1.6 ?, C L = 0.1 μ F to Within 10% of CR
R L < 1 ?, C L = 0.1 μ F to Within 10% of CR
T J = 25 o C
1.5
-
-
-
2
1
100
12
2.5
-
-
-
A
ms
μ s
ms
I/O PARAMETERS
Fault Output Voltage
ENABLE High Threshold
ENABLE Low Threshold
ENABLE Low Threshold
ENABLE Input Current
Vfault
Ven_vih
Ven_vil
Ven_vil
Ien_i
Fault Output Current = 10mA
VIN = 5.5V
VIN = 2.7V
VIN = 4.5V
ENABLE = 0V to 5V, VIN = 5V, T J >25 o C
-
2.0
-
-
-0.5
-
-
-
-
0
0.4
-
0.6
0.8
0.5
V
V
V
V
μ A
BIAS PARAMETERS
Enabled VIN Current
Disabled VIN Current
Under Voltage Lockout Threshold
UV Hysteresis
Over Temperature Disable
I VDD
I VDD
V UVLH
UV HYS
Temp_dis
Switch Closed, OUTPUT = OPEN, T J > 0 o C
Switch Open, OUTPUT = OPEN
VIN Rising, Switch Enabled
-
-
1.7
50
-
120
-
2.25
100
150
200
5
2.5
-
-
μ A
μ A
V
mV
o C
3
FN9004.2
November 12, 2004
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