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LP3961EMPX-3.3 Datasheet(PDF) 6 Page - Texas Instruments

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Part # LP3961EMPX-3.3
Description  LP396x 800-mA Fast Ultra-Low-Dropout Linear Regulators
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP3961EMPX-3.3 Datasheet(HTML) 6 Page - Texas Instruments

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LP3961, LP3964
SNVS056J – MAY 2000 – REVISED JUNE 2015
www.ti.com
Electrical Characteristics (continued)
Unless otherwise specified: TJ = 25°C, VIN = VO(NOM) + 1 V, IL = 10 mA, COUT = 33 µF, VSD = VIN – 0.3 V.
PARAMETER
TEST CONDITIONS
MIN(1)
TYP(2)
MAX(1)
UNIT
TdOFF
Turnoff delay
IL = 800 mA
20
µs
TdON
Turnon delay
IL = 800 mA
25
µs
ISD
SD input current
VSD = VIN
1
nA
ERROR FLAG COMPARATOR
VT
Threshold
See(7)
10%
See(7), –40°C
≤ TJ ≤ 125°C
5%
16%
VTH
Threshold hysteresis
See(7)
5%
See(7), –40°C
≤ TJ ≤ 125°C
2%
8%
VEF(Sat)
ERROR flag saturation
Isink = 100 µA
0.02
V
Isink = 100 µA
0.1
Td
Flag reset delay
1
µs
Ilk
ERROR flag pin leakage current
1
nA
Imax
ERROR flag pin sink current
VERROR = 0.5 V (overtemperature)
1
mA
AC PARAMETERS
VIN = VOUT + 1.5 V,
60
COUT = 100 µF,
VOUT = 3.3 V
PSRR
Ripple rejection
dB
VIN = VOUT + 0.3 V,
40
COUT = 100 µF,
VOUT = 3.3 V
ρn(l/f)
Output noise density
f = 120 Hz
0.8
µV
BW = 10 Hz to 100 kHz
150
en
Output noise voltage (rms)
µVRMS
BW = 300 Hz to 300 kHz
100
(7)
ERROR flag threshold and hysteresis are specified as percentage of regulated output voltage.
6
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Copyright © 2000–2015, Texas Instruments Incorporated
Product Folder Links: LP3961 LP3964


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