CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
4.
θ
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
5.
θ
JC
, “case temperature” location is at the center of the exposed metal pad on the package underside. See Tech Brief TB379.
Electrical Specifications
Unless otherwise noted, all parameters are guaranteed over the operational supply voltage and temperature
range of the device as follows: T
A
= -40°C to +85°C; V
IN
= (V
O
+ 1.0V) to 6.5V with a minimum V
IN
of 2.3V;
C
IN
= 1µF; C
O
= 1µF; C
BYP
= 0.01µF
SYMBOL
TEST CONDITIONS
MIN
(Note 7)
TYP
MAX
(Note 7)
UNITS
PARAMETER
DC CHARACTERISTICS
Supply Voltage
Ground Current
V
IN
Quiescent condition: I
O1
= 0µA; I
O2
= 0µA
I
DD1
I
DD2
One LDO active
Both LDO active
@ +25°C
2.3
6.5
V
25
45
0.1
1.9
1.6
2.1
1.8
40
60
1.0
2.3
2.0
+1.8
µA
µA
µA
V
V
%
%/V
%
%
mA
mA
Shutdown Current
UVLO Threshold
I
DDS
V
UV+
V
UV-
Regulation Voltage Accuracy
Line Regulation
Load Regulation
Variation from nominal voltage output, V
IN
= V
O
+0.5V to 5.5V,
T
J
= -40°C to +125°C
V
IN
= (V
OUT
+ 1.0V relative to highest output voltage) to 5.5V
I
OUT
= 100µA to 150mA
I
OUT
= 100µA to 300mA
-1.8
-0.2
0
0.1
0.2
0.7
1.0
Maximum Output Current
I
MAX
VO1: Continuous
VO2: Continuous
300
300
350
475
125
300
250
200
145
110
600
200
500
400
325
Internal Current Limit
Dropout Voltage (Note 6)
I
LIM
V
DO1
V
DO2
V
DO3
V
DO4
I
O
= 150mA; V
O
>
2.1V
I
O
= 300mA; V
O
< 2.5V
I
O
= 300mA; 2.5V
≤
V
O
≤
2.8V
I
O
= 300mA; V
O
> 2.8V
mA
mV
mV
mV
mV
°C
°C
Thermal Shutdown Temperature
T
SD+
T
SD-
AC CHARACTERISTICS
Ripple Rejection
I
O
= 10mA, V
IN
= 2.8V(min), V
O
= 1.8V, C
BYP
= 0.1µF
@ 1kHz
@ 10kHz
@ 100kHz
70
55
40
dB
dB
dB
3
FN6438.1
March 11, 2008
ISL9014A
Electrical Specifications
Unless otherwise noted, all parameters are guaranteed over the operational supply voltage and temperature
range of the device as follows: T
A
= -40°C to +85°C; V
IN
= (V
O
+ 1.0V) to 6.5V with a minimum V
IN
of 2.3V;
C
IN
= 1µF; C
O
= 1µF; C
BYP
= 0.01µF
(Continued)
SYMBOL
TEST CONDITIONS
I
O
= 100µA, V
O
= 1.5V, T
A
= +25°C, C
BYP
= 0.1µF
BW = 10Hz to 100kHz
MIN
(Note 7)
TYP
30
MAX
(Note 7)
UNITS
µV
RMS
PARAMETER
Output Noise Voltage
DEVICE START-UP CHARACTERISTICS
Device Enable tIme
LDO Soft-Start Ramp Rate
EN1, EN2 PIN CHARACTERISTICS
Input Low Voltage
Input High Voltage
Input Leakage Current
Pin Capacitance
NOTES:
6. VOx = 0.98*VOx(NOM); Valid for VOx greater than 1.85V.
7. Parts are 100% tested at +25°C. Temperature limits established by characterization and are not production tested.
V
IL
V
IH
I
IL
, I
IH
C
PIN
Informative
5
-0.3
1.4
0.5
V
IN
+ 0.3
0.1
V
V
µA
pF
t
EN
t
SSR
Time from assertion of the ENx pin to when the output voltage
reaches 95% of the VO(nom)
Slope of linear portion of LDO output voltage ramp during
SMT贴片机是表面贴装技术（Surface Mount Technology）中的重要设备，它的性能状态对电子制造的质量和效率有着决定性的影响。因此，对SMT贴片机的主要指标性能进行定期检测非常重要。以下是一些主要的检测项目： 定位精度：定位精度是SMT贴片机的核心性能指标，它直接影响到贴片的准确性。通常，我们通过重复测量贴片机在X、Y轴上的移动误差来检测其定位精度。 贴片速度：贴片速度...[详细]
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