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LK112SM17TR датащи(PDF) 2 Page - STMicroelectronics

номер детали LK112SM17TR
подробное описание детали  LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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LK112S SERIES
2/11
ABSOLUTE MAXIMUM RATINGS
CONNECTION DIAGRAM (top view)
PIN DESCRIPTION
ELECTRICAL CHARACTERISTICS FOR LK112 (Tj = 25°C, VIN=VOUT+1V (see Note 1), IOUT=0mA,
VSHDN=1.8V, CI = 1 µF, CO = 2.2µF, CBYPASS = 0.1µF unless otherwise specified)
Note 1: for version with output voltage less than 2V VIN=2.4V
Note 2: only for version with output voltage more than 2.1V
Symbol
Parameter²
Value
Unit
VI
DC Input Voltage
16
V
VSHDN
Shutdown Input Voltage
16
V
IO
Output Current
Internally limited
Tstg
Storage Temperature Range
-55 to +150
°C
Top
Operating Junction Temperature Range
-30 to +80
°C
SOT23-5L
Pin N° Symbol
Name and Function
1
SHDN
Shutdown Input: Disables the
regulator when is connected to GND
or to positive voltage less than 0.6V
2
GND
Ground Pin: Internally connected to
the die attach flag to decrease the
total thermal resistance and increase
the package ability to dissipate
power.
3
Bypass Bypass Pin: Bypass with 0.1
µF to
improve the Vref thermal noise
performances.
4
OUT
Output Port
5
IN
Input Port
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Id
Quiescent Current
ON MODE (except ISHDN)
175
250
µA
OFF MODE VI = 8V
VSHDN = 0V
0
0.1
µA
VO
Output Voltage
IO = 30mA
(see table)
∆V
O
Line Regulation
VI = VO+1V to VO+6V,
VO ≤ 5.6V
0.7
20
mV
VI = VO+1V to VO+6V,
VO > 5.6V
0.8
40
mV
∆V
O
Load Regulation
IO = 1 to 60mA
15
30
mV
IO = 1 to 200mA
30
90
mV
Vd
Dropout Voltage
IO = 60 mA (see Note 2)
0.17
0.24
V
IO = 200 mA (see Note 2)
0.35
0.5
V
ISC
Short Circuit Current
200
mA
SVR
Supply Voltage Rejection
VI = VO+1.5V
CBYP = 0.1µF
CO = 10µF
f = 400Hz
IO = 30mA
55
dB
eN
Output Noise Voltage
B= 10Hz to 80KHz CBYP = 0.1µF
CO = 10µFVI = VO+1.5V,IO = 60mA
30
µVrms
ISHDN
Shutdown Input Current
VSHDN = 1.8V
Output ON
12
35
µA
VSHDN Shutdown Input Logic
Output ON
Output OFF
1.8
0.6
V
V
∆V
O/Tj
Output Voltage
Temperature Coefficient
IO = 10mA
0.09
mV/°C


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