BD9302FP-E Datasheet, PDF (2/17 Pages) Rohm – A wide input voltage range of 6 V to 18 V, Easy switching frequency setting in the range of 200 k to 2.5 MHz.

Absolute maximum ratings (Ta=25˚C)
Item
Symbol
Rating
Power supply voltage
Vcc
20
Power dissipation
Pd
1450*
Operating temperature
Storage temperature
Topr
Tstg
-40 ~ +85
-55 ~ +150
Output current
Io
2**
Maximum junction temperature
Tjmax
150
* Should be derated by 11.6 mW/˚C at Ta=25˚C or more. When mounted on a glass epoxy PCB of 70¥70¥1.6 mm)
** Should not exceed Pd-value.
Recommended operating range (Ta=25˚C)
Item
Power supply voltage
Output current
Timing resistance
Oscillation frequency
Symbol
Min
Vcc
6
Io
–
RT
10
Fosc
100
Limits
Typ
12
–
–
–
Max
18
1.8
100
2500
Unit
V
mW
˚C
˚C
A
˚C
Unit
V
A
kΩ
kHz
Electrical characteristics
Electrical characteristics (Unless otherwise specified, Ta=25˚C, Vcc=12 V, RT=10 kΩ)
Limits
Item
Symbol
Unit
Min
Typ
Max
[Triangular wave oscillator block]
Oscillation frequency
Frequency variation
FOSC
1800
2000
2200
kHz
FDVO
–
1
–
%
[Overcurrent protection circuit block]
Overcurrent limit
Isw
2
4
6
A
[Under-voltage malfunction prevention circuit block]
Upper limit threshold voltage
VtH
3.0
3.3
3.6
V
Lower limit threshold voltage
VtL
2.7
3.0
3.3
V
[Soft start circuit block]
Source current
Isso
6
10
14
uA
Sink current
ISSI
0.6
1.7
5
mA
Clamp voltage
Vcl
1.75
1.95
2.15
V
Shutdown voltage
VSDWN
–
–
0.3
V
Not designed for radiation resistance.
* Design guarantee (No 100% pre-shipment inspections are conducted.)
Conditions
RT=10kΩ
~ 18V
*
Vss=1V
Vss=1V, Vcc=3V
Vcc=3V
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