BD9302FP-E Datasheet, PDF (5/17 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.

Reference characteristics data
100
90
80
70
60
50
40
30
20
10
0
6 7 8 9 10 11 12 13 14 15 16 17 18
INPUT VOLTAGE : VCC [V]
Fig.11
Power supply voltage – Efficiency
100
90
80
70
60
50
40
30
20
10
0
400 600 800 1000 1200 1400 1600 1800 2000 2200 2400
SWITCHING FREQUENCY : FSW [kHz]
Fig.12
Switching frequency – Efficiency
100
10
1
0
0.01
0.10
1.00
SS CAPACITOR : CSS [μF]
Fig.13
Set capacitance – Delay time
INPUT
VOLTAGE
12V
OUTPUT
CURRENT
OUTPUT
CURRENT
OUTPUT
VOLTAGE
1.47ms
2.5V
OUTPUT
VOLTAGE
(AC)
OUTPUT
VOLTAGE
(AC)
Fig.14
Startup waveform
Application measurement circuit diagram
Fig.15
Load transient response No. 1
Fig.16
Load transient response No. 2
33pF
100
kΩ ^3300pF
20kΩ
22
kΩ
51kΩ
0.1μF
30kΩ
30
kΩ
0.1μF
20kΩ
3300
pF
33
pF
0.1μF
10μH
10μF
Vo1=3.3V
Vcc
10μF
12V
0.1μF _10μH
10μF
Vo2=1.2V
Fig.17 Application measurement circuit diagram
(*) The data shown above represent real values sampled but not guarantee values.
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