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LP3981ILD-2.5/NOPB Datasheet(PDF) 6 Page - Texas Instruments

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Part No. LP3981ILD-2.5/NOPB
Description  Micropower, 300-mA Ultra-Low-Dropout CMOS Voltage Regulator
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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LP3981ILD-2.5/NOPB Datasheet(HTML) 6 Page - Texas Instruments

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LP3981
SNVS159H – OCTOBER 2001 – REVISED JULY 2015
www.ti.com
Electrical Characteristics (continued)
Unless otherwise specified: VEN = 1.2 V, VIN = VOUT + 0.5 V, CIN = 2.2 µF, CBP = 0.033 µF, IOUT = 1 mA, COUT = 2.2 µF. All
values are for TJ = 25°C, unless otherwise specified.
(1)(2)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OUTPUT CAPACITANCE
Capacitance
2.2
22
µF
COUT
Output capacitor
ESR
5
500
m
Ω
6.6 Timing Requirements
MIN
NOM
MAX
UNIT
Turnon time (1) (2)
240
CBYPASS = 0.033 µF
tON
µs
CBYPASS = 0.033 µF, TJ = –40°C to +125°C
350
(1)
Specified by design. Not production tested.
(2)
Turnon time is time measured between the enable input just exceeding VIH and the output voltage just reaching 95% of its nominal
value.
6
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Product Folder Links: LP3981


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