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| LP3961_15 Datasheet, PDF (6/31 Pages) Texas Instruments – LP396x 800-mA Fast Ultra-Low-Dropout Linear Regulators | |||
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LP3961, LP3964
SNVS056J â MAY 2000 â 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 â 0.3 V.
PARAMETER
TEST CONDITIONS
MIN (1)
TYP (2)
TdOFF
Turnoff delay
TdON
Turnon delay
ISD
SD input current
ERROR FLAG COMPARATOR
VT
Threshold
VTH
Threshold hysteresis
VEF(Sat)
ERROR flag saturation
Td
Flag reset delay
Ilk
ERROR flag pin leakage current
Imax
ERROR flag pin sink current
AC PARAMETERS
IL = 800 mA
IL = 800 mA
VSD = VIN
See (7)
See(7), â40°C ⤠TJ ⤠125°C
See (7)
See(7), â40°C ⤠TJ ⤠125°C
Isink = 100 µA
Isink = 100 µA
VERROR = 0.5 V (overtemperature)
20
25
1
10%
5%
5%
2%
0.02
1
1
1
VIN = VOUT + 1.5 V,
60
COUT = 100 µF,
PSRR
Ripple rejection
VOUT = 3.3 V
VIN = VOUT + 0.3 V,
40
COUT = 100 µF,
VOUT = 3.3 V
Ïn(l/f)
Output noise density
f = 120 Hz
0.8
BW = 10 Hz to 100 kHz
150
en
Output noise voltage (rms)
BW = 300 Hz to 300 kHz
100
MAX (1)
16%
8%
0.1
(7) ERROR flag threshold and hysteresis are specified as percentage of regulated output voltage.
UNIT
µs
µs
nA
V
µs
nA
mA
dB
µV
µVRMS
6
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Product Folder Links: LP3961 LP3964
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