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LDS3985M18R датащи(PDF) 8 Page - STMicroelectronics

номер детали LDS3985M18R
подробное описание детали  Ultra low drop-low noise BiCMOS 300 mA voltage regulator for use with very low ESR output capacitor
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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LDS3985M18R датащи(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
LDS3985xx
8/20
Doc ID 11039 Rev 7
VINH
Inhibit input logic Low
VI = 2.5 V to 6 V, TJ= - 40 to 125 °C
0.4
V
Inhibit input logic High
1.4
IINH
Inhibit input current
VINH = 0.4 V, VI = 6 V
±1
nA
eN
Output noise voltage
BW = 10 Hz to 100 kHz, CO = 2.2 µF
30
µVRMS
tON
Turn On time (4)
CBYP = 33 nF
240
µs
TSHDN Thermal shutdown
(5)
160
°C
CO
Output capacitor
Capacitance
2.2
22
µF
ESR
5
5000
m
Ω
1.
For VO(NOM) < 2 V, VI = 2.5 V
2.
For VO(NOM) = 1.25 V, VI = 2.5 V
3.
Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value. This
specification does not apply for input voltages below 2.5 V
4.
Turn-on time is time measured between the enable input just exceeding VINH high value and the output voltage just
reaching 95 % of its nominal value
5.
Typical thermal protection hysteresis is 20 °C
Table 5.
Electrical characteristics for LDS3985xx (continued)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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