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LR18943AG-SH2-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 LR18943AG-SH2-R
功能描述  1.0A LOW DROPOUT LINEAR REGULATOR
PDF  5 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

LR18943AG-SH2-R 数据表(HTML) 4 Page - Unisonic Technologies

  LR18943AG-SH2-R Datasheet HTML 1Page - Unisonic Technologies LR18943AG-SH2-R Datasheet HTML 2Page - Unisonic Technologies LR18943AG-SH2-R Datasheet HTML 3Page - Unisonic Technologies LR18943AG-SH2-R Datasheet HTML 4Page - Unisonic Technologies LR18943AG-SH2-R Datasheet HTML 5Page - Unisonic Technologies  
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LR18943A
Preliminary
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 5
www.unisonic.com.tw
QW-R102-094.a
ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOUT
CSS: Capacitor on SSC pin
VIN=VO+1V, IOUT=1A, CSS=3nF
Time period when VSSC rises from
0~0.8V
2
mS
Soft Start Time
TSS
CSS: Capacitor on SSC pin
VIN=VO+1V, IOUT=1A, CSS=0nF
Time period when VSSC rises from
0~0.8V
0.2
mS
ADJ
Reference Voltage
VREF
VADJ= VO
0.784
0.8
0.816
V
Adjust Pin Current
IADJ
100
nA
Adjust Pin Threshold
0.03
0.1
0.25
V
EN
EN Pin Voltage High
VENH
1.6
V
EN Pin Voltage Low
VENL
0.4
V
EN Pin Down Resistor
REN
2.5
MΩ
SET1, SET2
SET1, SET2 Pin Voltage High
VSET1H,
VSET2H
VPP-0.5
V
SET1, SET2 Pin Voltage Low
VSET1L,
VSET2L
0.5
V
Over Temperature Protection
Over Temperature
TOT
150
°C
Over Temperature Hysteresis
TOTHY
30
°C
OUTPUT VOLTAGE SETTING OPTION
Internal VO setting table:
SET1
SET2
VOUT
0
0
0.9
0
F
1.05
0
1
1.2
F
0
1.5
F
F
ADJ mode
F
1
1.5
1
0
1.8
1
F
2.5
1
1
3.3
* 0: pin voltage low, 1: pin voltage high, F: pin floating
External VO setting:
VO={(R1+R2)/R2}*VADJ
* If ADJ pin is connected to gnd, VO follows internal VO setting
* ADJ pin has the priority than set1 pin and set2 pin



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