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LR8303 Datasheet(PDF) 4 Page - Leshan Radio Company

Part # LR8303
Description  300KHz PFM Control Step-Up DC/DC Converter
PDF  11 Pages
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Manufacturer  LRC [Leshan Radio Company]
Direct Link  http://www.lrc.cn/
Logo LRC - Leshan Radio Company

LR8303 Datasheet(HTML) 4 Page - Leshan Radio Company

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ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, Ta=25°C)
PARAMETER
SYNBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output voltage
VOUT
VOUT(S)
×0.98
VOUT
VOUT(S)
×1.02
V
Input voltage
VIN
6
V
Operation start voltage
VST
IOUT= 1 mA
0.9
V
Hold voltage
VHOLD
IOUT= 1 mA
0.8
V
Current consumption
ISS
VOUT=VOUT(S) 0.5 V
7
A
Current consumption
during shutdown
ISSS
VEN = 0 V, No load
1.0
A
Maximum Oscillation
frequency
Fmax
VOUT= 0.95×VOUT
measure
waveform at LX pin
300
KHz
Duty ratio
Duty
75
%
Efficiency
EFFI
87
%
Current limit
ILIMIT
1000
mA
Shutdown pin input
voltage
VSH
1.5
V
VSL
0.3
V
Shutdown pin input
current
ISH
0.1
A
ISL
-0.1
A
Remark
VIN =VOUT(S)×0.6 applied, IOUT=VOUT(S) / 250
VOUT(S) specified above is the set output voltage value, and VOUT is the typical value of the
actual output voltage.
LESHAN RADIO COMPANY, LTD.
4/11



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