ISL9021 Intersil Corporation, ISL9021 Datasheet - Page 3

• Manufacturer Part Number: ISL9021
• Description: Single LDO
• Manufacturer: Intersil Corporation

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Absolute Maximum Ratings
Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.5V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (VIN + 0.3)V
Recommended Operating Conditions
Ambient Temperature Range (T
Supply Voltage (V
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.
NOTE:
Electrical Specifications
NOTES:
DC CHARACTERISTICS
Supply Voltage
V
Threshold
Ground Current
Shutdown Current
Output Voltage Accuracy
Maximum Output Current
Internal Current Limit
Dropout Voltage (Notes 6, 7)
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
AC CHARACTERISTICS
Ripple Rejection (Note 6)
Output Noise Voltage (Note 6)
DEVICE START-UP CHARACTERISTICS
Device Enable Time
LDO Soft-start Ramp Rate
EN LOGIC CHARACTERISTICS
Input Low Voltage
Input High Voltage
Input Leakage Current
5. θ
6. Limits established by characterization and are not production tested.
7. Dropout voltage is measured as V
IN
Tech Brief TB379.
Undervoltage Lockout
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
PARAMETER
IN
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 to 5.5V
A
) . . . . . . . . . . . . . . .-40°C to +85°C
3
SYMBOL
T
with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits
established by characterization and are not production tested.
V
V
A
I
UVLO+
I
I
UVLO-
V
t
IL,
I
T
V
I
DDS
MAX
SSR
V
t
V
IN
LIM
= -40°C to +85°C; V
DD
EN
DO
SD
IN
IH
IL
I
IH
- V
O
, when V
V
V
Output Enabled; I
V
V
V
Continuous
I
V
V
V
V
Time from assertion of the EN pin to when the output voltage
reaches 95% of the V
Slope of linear portion of LDO output voltage ramp during start-up
O
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 250mA; V
Rising
Falling
= 5.5V, EN = Low, I
= V
= V
= 4.5V, V
= 4.5V, V
= 4.5V, V
= 4.2V, T
O
O
O
+ 0.5V to 5.5V, I
+ 0.5V to 5.5V, I
is 4% lower than the value of V
IN
A
O
O
O
= (V
O
= +25°C, BW = 10Hz to 100kHz, I
= 3.3V @ 1kHz
= 3.3V @ 1MHz
= 3.3V @ 10kHz
> 1.8V
O
O
= 0; V
ISL9021
+ 0.5V) to 5.5V with a minimum V
O
TEST CONDITIONS
O
(nom)
O
= 0
IN
O
= 1mA to 150mA, T
= 1mA to 150mA, T
= 1.5V to 5.5V
Thermal Information
Thermal Resistance (Typical, Note 5)
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
4 Ball WLCSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 Lead µTDFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
O
; when V
J
J
= -40°C to +125°C -1.8
O
= +25°C
= 10mA
IN
= V
IN
of 1.5V; C
O
+ 0.5V.
IN
MIN
-0.8
250
260
= 1µF; C
1.5
1.3
1.1
8.5*V
1.425
1.375
TYP
150
160
250
0.1
35
20
60
75
50
30
O
= 1µF; Parameters
O
MAX
+0.8
+1.8
250
600
5.5
1.5
1.0
0.4
0.1
50
60
θ
June 12, 2009
JA
135.64
µV
140
FN6867.1
(°C/W)
UNIT
µs/V
mA
mA
mV
µA
µA
dB
dB
dB
µA
°C
°C
µs
%
RMS
V
V
V
V
V