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ISL9021AIRUJZ-T Datasheet(PDF) 5 Page - Intersil Corporation

Part # ISL9021AIRUJZ-T
Description  250mA Single LDO with Low IQ, Low Noise and High PSRR LDO
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL9021AIRUJZ-T Datasheet(HTML) 5 Page - Intersil Corporation

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ISL9021A
5
FN7845.3
December 20, 2012
Absolute Maximum Ratings
Thermal Information
Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.5V
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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 to 5.5V
ESD Rating
Human Body Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5000V
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250V
Charged Device Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2200V
Latch-Up Passed at +85°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA
Thermal Resistance (Typical)
θJA (°C/W) θJC (°C/W)
4 Ball WLCSP (Note 5) . . . . . . . . . . . . . . . . .
135.64
N/A
6 Lead µTDFN (Notes 6, 7) . . . . . . . . . . . . .
230
93
Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C
Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
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:
5.
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.
6.
θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
7. For
θJC, the “case temp” location is taken at the package top center.
Electrical Specifications TA = -40°C to +85°C; VIN = (VO + 0.5V) to 5.5V with a minimum VIN of 1.5V; CIN = 1µF; CO = 1µF. Boldface
limits apply over the operating temperature range, -40°C to +85°C.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
(Note 10)
TYP
MAX
(Note 10)
UNIT
DC CHARACTERISTICS
Supply Voltage
VIN
1.5
5.5
V
VIN Undervoltage Lockout
Threshold
VUVLO+ VIN Rising
1.425
1.5
V
VUVLO-
VIN Falling
1.3
1.375
V
Ground Current
IDD
Output Enabled; IO = 0; VIN = 1.5V to 5.5V
35
50
µA
Shutdown Current
IDDS
VIN = 5.5V, EN = Low, IO = 0
0.1
1.0
µA
Output Voltage Accuracy
VIN = VO + 0.5V to 5.5V, IO = 1mA to 250mA, TJ = +25°C-0.8
+0.8
%
VIN = VO + 0.5V to 5.5V, IO = 1mA to 250mA, TJ = -40°C to +125°C
-1.8
+1.8
%
Maximum Output Current
IMAX
Continuous
250
mA
Internal Current Limit
ILIM
260
mA
Dropout Voltage (Notes 8, 9)
VDO
IO = 250mA; VO > 1.8V
150
250
mV
Thermal Shutdown Temperature
TSD
160
°C
Thermal Shutdown Hysteresis
20
°C
AC CHARACTERISTICS
Ripple Rejection (Note 8)
VIN = 4.5V, VO = 3.3V @ 1kHz
60
dB
VIN = 4.5V, VO = 3.3V @ 10kHz
75
dB
VIN = 4.5V, VO = 3.3V @ 1MHz
50
dB
Output Noise Voltage (Note 8)
VIN = 4.2V, TA = +25°C, BW = 10Hz to 100kHz, IO = 10mA
8.5*VO
µVRMS
DEVICE START-UP CHARACTERISTICS
Device Enable Time
tEN
Time from assertion of the EN pin to when the output voltage
reaches 95% of the VO (nom)
250
600
µs
LDO Soft-start Ramp Rate
tSSR
Slope of linear portion of LDO output voltage ramp during start-up
30
60
µs/V


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