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BD9E302EFJ-E2 Datasheet(PDF) 6 Page - Rohm

Part # BD9E302EFJ-E2
Description  Integrated MOSFET Single Synchronous Buck DC/DC Converter
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD9E302EFJ-E2 Datasheet(HTML) 6 Page - Rohm

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Datasheet
Datasheet
BD9E302EFJ
TSZ02201-0J3J0AJ00890-1-2
© 2016 ROHM Co., Ltd. All rights reserved.
27.Apr.2016 Rev.002
www.rohm.com
TSZ22111•15•001
 Recommended Operating Ratings
Parameter
Symbol
Rating
Unit
Min
Typ
Max
Supply Voltage
VIN
7.0
-
28
V
Output Current
IOUT
0
-
3.0
A
Output Voltage Range
VRANGE
1.0(Note 1)
-
VIN × 0.7
V
(Note 1) Please use it in I/O voltage setting of which output pulse width does not become 200nsec (Typ) or less.(The output voltage set method,
please refer to Page 30.)
 Electrical Characteristics(Ta = 25C, VIN 12 V, VEN = 3 V unless otherwise specified)
Parameter
Symbol
Limits
Unit
Conditions
Min
Typ
Max
Supply Current in Operating
IOPR
-
290
580
µA
VFB = 0.9V
No switching
Supply Current in Standby
ISTBY
-
0
10
µA
VEN = 0V
Reference Voltage
VFB
0.792
0.800
0.808
V
FB Input Current
IFB
-1
0
1
µA
VFB = 0.8V
Switching frequency
FOSC
484
550
616
kHz
High-side FET on-resistance
RONH
-
90
-
mΩ
ISW = 100mA
Low-side FET on-resistance
RONL
-
70
-
mΩ
ISW = 100mA
Over Current limit
ILIMIT
-
5.2
-
A
UVLO detection voltage
VUVLO
6.0
6.4
6.7
V
VIN falling
UVLO hysteresis voltage
VUVLOHYS
100
200
300
mV
EN high-level input voltage
VENH
2.5
-
VIN
V
EN low-level input voltage
VENL
0
-
0.8
V
EN Input current
IEN
2
4
8
µA
VEN = 3V
Soft Start time
TSS
1.2
2.5
5.0
msec
● VFB : FB Input Voltage. VEN : EN Input Voltage.


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