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ISL9012 Datasheet(PDF) 3 Page - Intersil Corporation

Part No. ISL9012
Description  Dual LDO with Low Noise, Low IQ, and High PSRR
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL9012 Datasheet(HTML) 3 Page - Intersil Corporation

 
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3
FN9220.2
May 8, 2006
Absolute Maximum Ratings
Thermal Information
Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7.1V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (VIN+0.3)V
Recommended Operating Conditions
Ambient Temperature Range (TA) . . . . . . . . . . . . . . .-40°C to +85°C
Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3 to 6.5V
Thermal Resistance (Notes 1, 2)
θJA (°C/W) θJC (°C/W)
3x3 DFN Package . . . . . . . . . . . . . . . .
50
10
Junction Temperature Range . . . . . . . . . . . . . . . . . -40°C to +125°C
Operating Temperature Range . . . . . . . . . . . . . . . . . -40°C to +85°C
Storage Temperature Range . . . . . . . . . . . . . . . . . . -65°C to +150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . +300°C
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.
NOTES:
1.
θJA 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.
2.
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:
TA = -40°C to +85°C; VIN = (VO+0.5V) to 6.5V with a minimum VIN of 2.3V; CIN = 1μF; CO = 1μF;
CBYP = 0.01μF; CPOR = 0.01μF
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
DC CHARACTERISTICS
Supply Voltage
VIN
2.3
6.5
V
Ground Current
Quiescent condition: IO1 = 0μA; IO2 = 0μA
IDD1
One LDO active
25
40
μA
IDD2
Both LDO active
45
60
μA
Shutdown Current
IDDS
@25°C
0.1
1.0
μA
UVLO Threshold
VUV+
1.9
2.1
2.3
V
VUV-
1.6
1.8
2.0
V
Regulation Voltage Accuracy
Variation from nominal voltage output, VIN = VO+0.5 to 5.5V,
TJ = -40°C to 125°C
-1.8
+1.8
%
Line Regulation
VIN = (VOUT + 1.0V relative to highest output voltage) to 5.5V
-0.2
0
0.2
%/V
Load Regulation
IOUT = 100μA to 150mA (VO1 and VO2)
0.1
0.7
%
IOUT = 100μA to 300mA (VO2)
1.0
%
Maximum Output Current
IMAX
VO1: Continuous
150
mA
VO2: Continuous
300
mA
Internal Current Limit
ILIM
350
475
600
mA
Dropout Voltage (Note 4)
VDO1
IO = 150mA; VO > 2.1V (VO1)
125
200
mV
VDO2
IO = 300mA; VO < 2.5V (VO2)
300
500
mV
VDO3
IO = 300mA; 2.5V ≤ VO ≤ 2.8V (VO2)
250
400
mV
VDO4
IO = 300mA; VO > 2.8V (VO2)
200
325
mV
Thermal Shutdown Temperature
TSD+
145
°C
TSD-
110
°C
AC CHARACTERISTICS
Ripple Rejection
IO = 10mA, VIN = 2.8V(min), VO = 1.8V, CBYP = 0.1μF
@ 1kHz
70
dB
@ 10kHz
55
dB
@ 100kHz
40
dB
Output Noise Voltage
IO = 100μA, VO = 1.5V, TA = 25°C, CBYP = 0.1μF
BW = 10Hz to 100kHz (Note 3)
30
μVrms
ISL9012


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