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LR9273DG-AD-AB5-R 数据表(PDF) 5 Page - Unisonic Technologies

部件名 LR9273DG-AD-AB5-R
功能描述  SUPER LOW ON RESISTANCE/LOW VOLTAGE 1A LDO REGULATOR
PDF  9 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

LR9273DG-AD-AB5-R 数据表(HTML) 5 Page - Unisonic Technologies

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LR9273
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
5 of 9
www.unisonic.com.tw
QW-R502-A30.a
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN
6.5
V
Input Voltage (CE Pin)
VCE
-0.3~6.5
V
Output Voltage
VOUT
-0.3~ VIN+0.3
V
Power Dissipation
PD
900
mW
Operating Temperature
TOPT
-40~+85
°С
Storage Temperature
TSTG
-55~+125
°С
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS
LR9273B/D-xx (Fixed Output Voltage Type)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Voltage
VIN
1.4
6.0
V
Supply Current
ISS
VIN−VOUT=1.0V, VCE=VIN, IOUT=0A
60
100
µA
Standby Current
Istandby VIN=6.0V, VCE=0V
0.1
1.0
µA
Output Voltage
VOUT
VIN−VOUT=1.0V,
IOUT=100mA
VOUT>1.5V
×0.98
×1.02
V
VOUT≤1.5V
-30
+30
mV
Load Regulation
OUT
OUT
∆I
∆V
VIN−VOUT=0.3V, 1mA≤IOUT≤300mA, If
VOUT≤1.1V, then VIN=1.4V
-15
-2
15
mV
VIN−VOUT=0.3V, 1mA≤IOUT≤1A, If
VOUT≤1.1V, then VIN=1.7V
-3
mV
Dropout Voltage
(TOPT=25°C)
VDIF
I OUT=300mA
0.8≤VOUT<0.9
0.33
0.57
V
0.9≤VOUT<1.0
0.22
0.47
V
1.0≤VOUT<1.5
0.18
0.32
V
1.5≤VOUT<2.6
0.10
0.15
V
2.6≤VOU
0.05
0.10
V
IOUT=1A
0.8≤VOUT<0.9
0.72
V
0.9≤VOUT<1.0
0.64
V
1.0≤VOUT<1.5
0.56
V
1.5≤VOUT<2.6
0.32
V
2.6≤VOU
0.18
V
Line Regulation
IN
OUT
∆V
∆V
IOUT=100mA, VOUT+0.5V≤VIN ≤6.0V,
If VOUT≤0.9V, 1.4V≤VIN≤6.0V
0.05
0.20
%/V
Ripple Rejection
RR
f=1kHz (VOUT≤4.0V)
70
dB
f=1kHz (VOUT>4.0V)
Ripple 0.5Vp-p,VIN−VOUT=1.0V,
IOUT=100mA, If VOUT≤1.2V, VIN−VOUT=1.5V,
IOUT=100mA
60
dB
Output Voltage Temperature
Coefficient
OPT
OUT
∆T
∆V
IOUT=100mA, -40°С≤TOPT≤85°С
±100
ppm/°С
Output Current
ILIM
VIN-VOUT=1.0V
1
A
Short Current Limit
ISC
VOUT=0V
250
mA
Pull-Down Resistance for
CE PIn
RPD
1.9
5.0
15.0
MΩ
CE Input Voltage
High
VCEH
1.0
6.0
V
Low
VCEL
0
0.4
V
Thermal Shutdown Detector
Threshold Temperature
TTSD
Junction temperature
150
°С
Thermal Shutdown
Released Temperature
TTSR
Junction temperature
120
°С
Output Noise
en
BW=10Hz~100kHz
30
µVrms



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