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LP8725TLE-C/NOPB датащи(PDF) 24 Page - Texas Instruments

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номер детали LP8725TLE-C/NOPB
подробное описание детали  LP8725 Power Management Unit for Application or Multimedia Processors and Subsystems
PDF  46 Pages
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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LP8725TLE-C/NOPB датащи(HTML) 24 Page - Texas Instruments

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LP8725
SNVS618G – DECEMBER 2009 – REVISED MAY 2013
www.ti.com
LOW-INPUT LOW-OUTPUT LDO (LILO1, LILO2)
Unless otherwise noted, VIN1=VIN2=VIN3=VINB1=VINB2=VINLILO1=VINLILO2=3.6V; CLODX=1µF; CBUCKOUT=CBUCKIN=4.7 µF,
CVIN1–3=CVINLILO1CVINLILO2=2.2 µF. Typical values and limits appearing in normal type apply for TJ=25°C. Limits appearing in
boldface type apply over the entire junction temperature range for operation, TJ= -40 to +125°C.
(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
−2
+2
LILO1 Output Voltage
Accuracy
−3
+3
VOUT
IOUT = 1mA, VOUT = 1.8V
%
−3
+3
LILO2 Output Voltage
Accuracy
−4
+4
Line Regulation
VOUT + 0.5V ≤ VLILO ≤ 4.5V
1
IOUT = 1mA
ΔVOUT
mV
Load Regulation
1 < IOUT < 300 mA
5
VDO
Dropout Voltage
IOUT = 300 mA
230
310
mV
Nominal VOUT = 1.8V
(2)
IOUT
Output Current
0
300
mA
ISLEEP
Max Output Current in
mA
1
Sleep Mode
ISC
Output Current Limit
VOUT = 0V
670
mA
eN
Output Voltage Noise
10 Hz
≤ f ≤ 100 KHz
80
µVRMS
IOUT = 300 mA
PSRR
Power Supply Rejection
f
≤ 10 KHz, IOUT = 20 mA
60
dB
Ratio
tSTUP
Startup Time
IOUT = 0 mA to 300 mA in Idle mode.
65
µs
VOS
Start-up Overshoot
(3)
30
mV
COUT
External Output
(3)
0.5
1
20
µF
Capacitance for Stability
(1)
Min and Max limits are specified by design, test or statistical analysis. Typical numbers are not verified, but do represent the most likely
norm.
(2)
Dropout voltage is the voltage difference between the input and the output at which the output voltage drops to 100 mV below its
nominal value.
(3)
This specification is guaranteed by design.
24
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Copyright © 2009–2013, Texas Instruments Incorporated
Product Folder Links: LP8725



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