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LD2982AM27R 数据表(PDF) 9 Page - STMicroelectronics

部件名 LD2982AM27R
功能描述  Very low drop and low noise voltage regulator with inhibit function, low ESR capacitors compatible
PDF  20 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LD2982AM27R 数据表(HTML) 9 Page - STMicroelectronics

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LD2982Axx - LD2982Bxx
Electrical characteristics
9/20
VO
Output voltage
VI = 5.0V
3.94
4
4.06
V
IO = 1 to 50mA
3.92
4.08
IO = 1 to 50mA, TJ= -40 to 125°C
3.86
4.14
VO
Output voltage
VI = 5.7V
4.629
4.7
4.77
V
IO = 1 to 50mA
4.606
4.794
IO = 1 to 50mA, TJ= -40 to 125°C
4.535
4.864
VO
Output voltage
VI = 6.0V
4.925
5
5.075
V
IO = 1 to 50mA
4.9
5.1
IO = 1 to 100 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
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
OFF MODE
VINH<0.18V
0
VINH<0.18V, TJ= -40 to 125°C
1
SVR
Supply voltage rejection
CBYP = 0.01µF, CO = 10µF, f = 1kHz
45
dB
VIL
Inhibit input logic low
TJ= -40 to 125°C
0.15
V
VIH
Inhibit input logic high
TJ= -40 to 125°C
2
V
IINH
Inhibit input current
VINH = 0V, TJ= -40 to 125°C
5
15
µA
VINH = 5V, TJ= -40 to 125°C
0
-1
eN
Output noise voltage
B = 300 Hz to 50 kHz, CBYP = 0.01µF,
CO = 10µF
30
µV
Table 6.
Electrical characteristics for LD2982B (continued) (TJ = 25 °C, VI = VO + 1 V, IO = 1 mA,
VSHDN = 2 V, CI = CO = 1 µF, unless otherwise specified).
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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