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LD3985J33R Datasheet(PDF) 7 Page - STMicroelectronics

No. de pieza LD3985J33R
Descripción Electrónicos  Ultra low drop-low noise BiCMOS voltage regulators low ESR capacitors compatible
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD3985J33R Datasheet(HTML) 7 Page - STMicroelectronics

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LD3985xx
Electrical characteristics
7/22
5
Electrical characteristics
Table 5.
Electrical characteristics for LD3985 (TJ = 25 °C, VI = VO(NOM) +0.5 V, CI = 1 µF, CBYP =
10 nF, IO = 1 mA, VINH = 1.4 V, unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VI
Operating input voltage
2.5
6
V
VO
Output voltage < 2.5V
IO = 1 mA
-50
50
mV
TJ= -40 to 125°C
-75
75
VO
Output voltage
≥ 2.5V
IO = 1 mA
-2
2
% of
VO(NOM)
TJ= -40 to 125°C
-3
3
ΔVO
Line regulation (Note: 1)
VI = VO(NOM) + 0.5 to 6 V
TJ= -40 to 125°C
-0.1
0.1
%/V
VO = 4.7 to 5V
-0.19
0.19
ΔVO
Load regulation
IO = 1 mA to 150mA, VO < 2.5V
TJ= -40 to 125°C
0.002
0.008
%/mA
ΔVO
Load regulation
IO = 1 mA to 150mA, VO ≥ 2.5V
TJ= -40 to 125°C (for flip-chip)
0.0004
0.002
%/mA
IO = 1 mA to 150mA, TJ= -40 to 125°C
(for SOT23-5L/TSOT23-5L), VO ≥ 2.5V
0.0025
0.005
ΔVO
Output AC Line regulation
VI = VO(NOM) + 1 V, IO = 150mA,
tR= tF = 30µs
1.5
mVPP
IQ
Quiescent current
ON MODE: VINH = 1.2V
IO = 0
85
µA
IO = 0, TJ= -40 to 125°C
150
IO = 0 to 150mA
170
IO = 0 to 150mA, TJ= -40 to 125°C
250
OFF MODE: VINH = 0.4V
0.003
TJ= -40 to 125°C
1.5
VDROP Dropout voltage (Note: 1)
IO = 1mA
0.4
mV
IO = 1mA, TJ= -40 to 125°C
2
IO = 50mA
20
IO = 50mA, TJ= -40 to 125°C
35
IO = 100mA
45
IO = 100mA, TJ= -40 to 125°C
70
IO = 150mA
60
IO = 150mA, TJ= -40 to 125°C
100
ISC
Short circuit current
RL = 0
600
mA
SVR
Supply voltage rejection
VI = VO(NOM)+0.25V ±
VRIPPLE = 0.1V, IO= 50mA
VO(NOM) < 2.5V, VI = 2.55V
f = 1kHz
60
dB
f = 10kHz
50


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