BD9E302EFJ Datasheet, PDF (6/44 Pages) Rohm – Integrated MOSFET Single Synchronous Buck DC/DC Converter

BD9E302EFJ
Datasheet
 Recommended Operating Ratings
Parameter
Rating
Symbol
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
Limits
Symbol
Unit
Min
Typ
Max
Supply Current in Operating
IOPR
-
290
580
µA
Supply Current in Standby
ISTBY
Reference Voltage
VFB
FB Input Current
IFB
Switching frequency
FOSC
High-side FET on-resistance
RONH
Low-side FET on-resistance
RONL
Over Current limit
ILIMIT
UVLO detection voltage
VUVLO
UVLO hysteresis voltage
VUVLOHYS
EN high-level input voltage
VENH
EN low-level input voltage
VENL
EN Input current
IEN
Soft Start time
TSS
● VFB : FB Input Voltage. VEN : EN Input Voltage.
-
0.792
-1
484
-
-
-
6.0
100
2.5
0
2
1.2
0
0.800
0
550
90
70
5.2
6.4
200
-
-
4
2.5
10
0.808
1
616
-
-
-
6.7
300
VIN
0.8
8
5.0
µA
V
µA
kHz
mΩ
mΩ
A
V
mV
V
V
µA
msec
Conditions
VFB = 0.9V
No switching
VEN = 0V
VFB = 0.8V
ISW = 100mA
ISW = 100mA
VIN falling
VEN = 3V
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27.Apr.2016 Rev.002