參數(shù)資料
型號： ISL6121
廠商： Intersil Corporation
英文描述： Single Supply Integrated Current Limiting Controller(單電源，集成限流控制器)
中文描述： 單電源集成限流控制器（單電源，集成限流控制器）
文件頁數(shù)： 3/11頁
文件大?。?/td> 422K
代理商： ISL6121
3
FN9004.2
November 12, 2004
Absolute Maximum Ratings
Thermal Information
Supply Voltage (V+ to V-). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0V
EN, FAULT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to 6V
OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GND-0.3V to VIN +0.3V
DC Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
SUPPLY
Output Current . . . . . . . . . . . . . . . . . . . . . . .Short Circuit Protected
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
Thermal Resistance (Typical, Note 1)
8 Lead SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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
θ
JA
(
o
C/W)
116
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
r
DS(ON)_27
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
-
60
70
m
-
-
80
m
ISL6121 On Resistance at 3.3V
r
DS(ON)_33
-
50
60
m
-
-
75
m
ISL6121 On Resistance at 5.0V
r
DS(ON)_50
-
50
60
m
-
-
75
m
Disabled Output Voltage
V
OUT_DIS
-
300
450
mV
Output Voltage Rising Rate
t_vout_rt
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%
-
10
-
V/ms
Slow VOUT Turn-off Rate
t_svout_offt
-
10
-
V/ms
Fast VOUT Turn-off Rate
t_fvout_offt
-
3
-
V/
μ
s
CURRENT CONTROL
Current Limit, VIN = 5V
Ilim
VOUT = 3.3V
1.5
2
2.5
A
OC Regulation Settling Time
tsett
Ilim
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
-
ms
Severe OC Regulation Settling Time
tsett
Ilim_sev
-
100
-
μ
s
Over Current Latch-off Time
t
OC_loff
-
12
-
ms
I/O PARAMETERS
Fault Output Voltage
Vfault
Fault Output Current = 10mA
-
-
0.4
V
ENABLE High Threshold
Ven_vih
VIN = 5.5V
2.0
-
-
V
ENABLE Low Threshold
Ven_vil
VIN = 2.7V
-
-
0.6
V
ENABLE Low Threshold
Ven_vil
VIN = 4.5V
ENABLE = 0V to 5V, VIN = 5V, T
J
>25
o
C
-
-
0.8
V
ENABLE Input Current
Ien_i
-0.5
0
0.5
μ
A
BIAS PARAMETERS
Enabled VIN Current
I
VDD
Switch Closed, OUTPUT = OPEN, T
J
> 0
o
C
-
120
200
μ
A
Disabled VIN Current
I
VDD
Switch Open, OUTPUT = OPEN
-
-
5
μ
A
Under Voltage Lockout Threshold
V
UVLH
VIN Rising, Switch Enabled
1.7
2.25
2.5
V
UV Hysteresis
UV
HYS
50
100
-
mV
Over Temperature Disable
Temp_dis
-
150
-
o
C
ISL6121
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