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BL9313 Datasheet(PDF) 3 Page - SHANGHAI BELLING CO., LTD.

Part # BL9313
Description  3A, 18V Synchronous Step-Down Converter
PDF  11 Pages
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Manufacturer  BELLING [SHANGHAI BELLING CO., LTD.]
Direct Link  http://www.belling.com.cn
Logo BELLING - SHANGHAI BELLING CO., LTD.

BL9313 Datasheet(HTML) 3 Page - SHANGHAI BELLING CO., LTD.

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BL9313
www.belling.com.cn
3
V1.0
ELECTRICAL CHARACTERISTICS
VIN=12V, TA=25℃, unless otherwise stated.
Item
Symbol
Condition
Min.
Typ.
Max.
Units
VIN Undervoltage Lockout Threshold
VIN_MIN
VIN falling
3.9
4.1
V
VIN Undervoltage Lockout Hysteresis
VIN_MIN_HYST
VIN rising
250
mV
Shutdown Supply Current
ISD
VEN=0V
0.2
0.3
μA
Supply Current
IQ
VEN=5V, VFB=2V
80
100
μA
Feedback Voltage
VFB
0.588
0.6
0.612
mV
Top Switch Resistance
5)
RDS(ON)T
115
mΩ
Bottom Switch Resistance
5)
RDS(ON)B
71
mΩ
Top Switch Leakage Current
ILEAK_TOP
VIN=16V, VEN=0V,
VSW=0V
0.5
uA
Bottom Switch Leakage Current
ILEAK_BOT
VIN=16V, VEN=0V,
VSW=0V
0.5
uA
Top Switch Current Limit
5)
ILIM_TOP
Minimum Duty Cycle
5.5
A
Switch Frequency
FSW
420
kHz
Minimum On Time
5)
TON_MIN
100
ns
Minimum Off Time
5)
TOFF_MIN
VFB=0.7V
130
ns
EN shut down threshold voltage
VEN_TH
VEN falling, FB=0V
1.2
V
EN shut down hysteresis
VEN_HYST
VEN rising, FB=0V
100
mV
Thermal Shutdown
5)
TTSD
145
℃
Temperature Hysteresis
5)
THYS
20
℃
Note
：
5)
Guaranteed by design.



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