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LD2985BXX27 数据表(PDF) 7 Page - STMicroelectronics

部件名 LD2985BXX27
功能描述  Very low drop and low noise voltage regulator low ESR capacitors compatible, with inhibit function
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LD2985BXX27 数据表(HTML) 7 Page - STMicroelectronics

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LD2985Axx - LD2985Bxx
Electrical characteristics
7/21
VO
Output voltage
VI = 4.8V
3.743
3.8
3.857
V
IO = 1 to 150mA
3.705
3.895
IO = 1 to 150mA, TJ= -40 to 125°C
3.667
3.933
VO
Output voltage
VI = 5.0V
3.94
4
4.06
V
IO = 1 to 150mA
3.9
4.1
IO = 1 to 150mA, TJ= -40 to 125°C
3.86
4.14
VO
Output voltage
VI = 5.7V
4.63
4.7
4.77
V
IO = 1 to 150mA
4.582
4.817
IO = 1 to 150mA, TJ= -40 to 125°C
4.5355
4.8645
VO
Output voltage
VI = 6.0V
4.925
5
5.075
V
IO = 1 to 150mA
4.875
5.125
IO = 1 to 150 mA, TJ= -40 to 125°C
4.825
5.175
ISC
Short circuit current
RL = 0
400
mA
ΔVO/ΔVI Line regulation
VI = VO + 1V to 16V, IO = 1 mA
0.003
0.014
%/VI
VI = VO + 1V to 16V, IO = 1 mA,
TJ= -40 to 125°C
0.032
VDROP
Dropout voltage
IO = 0
1
3
mV
IO = 0, TJ= -40 to 125°C
5
IO = 1mA
7
10
IO = 1mA, TJ= -40 to 125°C
15
IO = 10mA
40
60
IO = 10mA, TJ= -40 to 125°C
90
IO = 50mA
120
150
IO = 50mA, TJ= -40 to 125°C
225
IO = 150mA
280
350
IO = 150mA, TJ= -40 to 125°C
575
IQ
Quiescent current
ON MODE
IO = 0
80
100
µA
IO = 0, TJ= -40 to 125°C
150
IO = 1mA
100
150
IO = 1mA, TJ= -40 to 125°C
200
IO = 10mA
200
300
IO = 10mA, TJ= -40 to 125°C
400
IO = 50mA
600
900
IO = 50mA, TJ= -40 to 125°C
1200
IO = 150mA
2000
3000
IO = 150mA, TJ= -40 to 125°C
4000
OFF MODE
VINH<0.18V
0
VINH<0.18V, TJ= -40 to 125°C
2
SVR
Supply voltage rejection
CBYP = 0.01µF, CO = 10µF, f = 1kHz
45
dB
VIL
Control input logic low
TJ= -40 to 125°C
0.15
V
Table 5.
Electrical characteristics for LD2985A (continued) (TJ = 25 °C, VI = VO + 1 V, IO = 50 mA,
VSHDN = 2 V, CI = CO = 1 µF, unless otherwise specified).
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit


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