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LD3980PM135R Folha de dados(PDF) 6 Page - STMicroelectronics

Nome de Peças LD3980PM135R
Descrição Electrónicos  Low drop - Low supply voltage Low ESR capacitor compatible
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD3980PM135R Folha de dados(HTML) 6 Page - STMicroelectronics

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Electrical characteristics
LD3980
6/16
4
Electrical characteristics
Note:
1
For VO(NOM) < 1.2V, VI=1.7V
2
Dropout voltage is the input-to-output voltage difference at which the output voltage is
100mV below its nominal value. This specification does not apply for output voltages below
1.7V.
3
Turn-on time is time measured between the enable input just exceeding VSHDN High Value
and the output voltage just reaching 95% of its nominal value
4
Typical thermal protection hysteresis is 15°C.
Table 4.
Electrical characteristics (TJ = 25°C, VI = VO(NOM) +0.5V, CI = CO = 1µF, IO = 1mA,
VSHDN = VI, unless otherwise specified) (Note: 1)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VI
Operating input voltage
1.7
3.6
V
VO
VO Accuracy
IO = 300mA
-1.0
+1.0
%
TJ = -40° to 85°C
-2.0
+2.0
∆VO
Line regulation
VI = VO + 0.5V to 3.6V, IO = 1mA
-0.15
0.01
+0.15
%/V
∆VO
Load regulation
IO = 1mA to 300mA
0.2
0.3
%/mA
VDROP
Dropout voltage (
Note 2)
IO = 300mA, VO 1.8V
TJ = -40° to 85°C
130
150
mV
eN
Output noise voltage
10Hz to 100KHz, IO = 10mA,
110.7
µVRMS/VO
SVR
Supply voltage rejection
(
Figure 7.)
VI = VO(NOM)+0.5V±VRIPPLE
VRIPPLE = 0.1V, f = 1KHz, IO = 10mA
60
dB
VIN = VO(NOM)+0.5V±VRIPPLE
VRIPPLE = 0.1V, f=10KHz, IO = 10mA
58
IQ
Quiescent current
ON MODE: VSHDN=1.4V
IO=0mA
90
µA
IO=0mA, TJ = -40° to 85°C
110
IO=0 to 300mA
105
IO=0 to 300mA, TJ = -40° to 85°C
130
Quiescent current
OFF MODE: VSHDN=GND
VI input current
0.15
0.5
ISC
Short circuit current
RL=0
650
mA
IO(PK)
Peak output current
VO ≥ VO(NOM) -5%
610
mA
VSHDN
Shutdown input logic low
VI = 1.6V to 3.6V TJ = -40° to 85°C
0.4
V
Shutdown input logic high
1.4
ISHDN
Shutdown input current
VSHDN=GND or VI
0.1
100
nA
TON
Turn on time
Note 3
120
µs
TSHDN
Thermal shutdown
Note 4
140
°C
CO
Output capacitor
Capacitance
1
10
µF
ESR
10
5000
m


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