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LD3985G26R Arkusz danych(PDF) 4 Page - STMicroelectronics

Numer części LD3985G26R
Szczegółowy opis  ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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LD3985 SERIES
4/14
Table 5: Electrical Characteristics For LD3985 (Tj = 25°C, VI = VO(NOM) +0.5V, CI = 1µF,
CBYP = 10nF, IO = 1mA, VINH = 1.4V, 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
∆V
O
Line Regulation (Note 1)
VI = VO(NOM) + 0.5 to 6 VTJ= -40 to 125°C
-0.1
0.1
%/V
VO = 4.7 to 5V
-0.19
0.19
∆V
O
Load Regulation
IO = 1 mA to 150mA
VO < 2.5V
TJ= -40 to 125°C
0.002
0.008
%/mA
∆V
O
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
∆V
O
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
IO(PK)
Peak Output Current
VO ≥ VO(NOM) - 5%
300
550
mA
VINH
Inhibit Input Logic Low
VI = 2.5V to 6V
TJ= -40 to
125°C
0.4
V
Inhibit Input Logic High
1.2
IINH
Inhibit Input Current
VINH = 0.4V
VI = 6V
±1
nA
eN
Output Noise Voltage
BW = 10 Hz to 100 KHz
CO = 1 µF30
µV
RMS
tON
Turn On Time (Note 4)
CBYP = 10 nF
100
250
µs
TSHDN Thermal Shutdown
Note 5
160
°C


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