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BD9300

Rohm
Part Number BD9300
Manufacturer Rohm
Description 1-channel DC/DC converter controller
Published Mar 23, 2005
Detailed Description BD9300/F/FV Regulators 1-channel DC/DC converter controller BD9300/F/FV BD9300/F/FV is an output open collector type of...
Datasheet PDF File BD9300 PDF File

BD9300
BD9300

Overview
BD9300/F/FV Regulators 1-channel DC/DC converter controller BD9300/F/FV BD9300/F/FV is an output open collector type of 1-channel DC/DC converter controller.
Step-up, step-down and inverting DC/DC converter can be composed.
Input voltage range is wide (3.
6V to 35V) and this IC can be used widely for various applications.
Pin layout is nearly the same as BA9700 and it is easy to replace it.
zApplications TV, power supply for liquid crystal TV, Backlight DSC, DVC, Printer, DVD, DVD recorder, Other consumer products zExternal dimensions (Unit : mm) • BD9300 19.
4 ± 0.
3 6.
5 ± 0.
3 14 8 zFeatures 1) 1-channel PWM control DC/DC converter controller.
2) High voltage input : 3.
6 to 35V.
3) Reference voltage accuracy :±1%.
4) Oscillating frequency changeable : 20 to 800kHz.
5) Built-in UVLO (Under voltage lock out) circuit and SCP (Short circuit protection) circuit.
6) Current at stand-by mode : 0µA (typ.
) 7) Switching external synchronization available.
(slave operation) 1 0.
51Min.
3.
2 ± 0.
2 4.
25 ± 0.
3 7 7.
62 0.
3 ± 0.
1 2.
54 0.
5 ± 0.
1 0 ~ 15 DIP14 • BD9300F 8.
7±0.
2 14 8 6.
2±0.
3 4.
4±0.
2 1 7 0.
11 zAbsolute maximum ratings (Ta = 25°C) Parameter Symbol VCC BD9300 Limits 36 950 Pd 450 400 Topr Tstg ∗1 ∗2 ∗3 1.
5±0.
1 0.
15±0.
1 Unit V 1.
27 0.
4±0.
1 0.
1 Supply voltage SOP14 Power dissipation BD9300F BD9300FV mW • BD9300FV 5.
0 ± 0.
2 6.
4 ± 0.
3 4.
4 ± 0.
2 14 8 Operating temperature range Storage temperature range −40 to +85 −55 to +125 °C °C 1 7 ∗1 Derating : 9.
5mW/°C for operation above Ta=25°C.
∗2 Derating : 4.
5mW/°C for operation above Ta=25°C.
∗3 Derating : 4.
0mW/°C for operation above Ta=25°C.
1.
15 ± 0.
1 0.
1 0.
15 ± 0.
1 0.
65 0.
1 0.
22 ± 0.
1 SSOP-B14 zRecommended operating conditions (Ta = 25°C) Parameter Supply voltage Symbol VCC Min.
3.
6 Typ.
12 Max.
35 Unit V Rev.
A 0.
3Min.
0.
3Min.
1/2 BD9300/F/FV Regulators zElectrical characteristics (Unless otherwise noted, Ta=25°C, VCC=12V) Parameter Reference voltage Oscillating frequency UVLO threshol...


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