BD9300FV [ROHM]
1-channel DC/DC converter controller; 1通道的DC / DC变换器控制器
| 型号： | BD9300FV |
| 厂家： | 
ROHM |
| 描述： | 1-channel DC/DC converter controller |
| 文件： | 总3页 (文件大小：67K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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
zExternal dimensions (Unit : mm)
TV, power supply for liquid crystal TV, Backlight
DSC, DVC, Printer, DVD, DVD recorder, Other consumer products
• BD9300
19.4 ± 0.3
14
1
8
7
zFeatures
7.62
~ 15
1) 1-channel PWM control DC/DC converter controller.
2) High voltage input : 3.6 to 35V.
3) Reference voltage accuracy :±1%.
2.54
0.5 ± 0.1
DIP14
0
4) Oscillating frequency changeable : 20 to 800kHz.
5) Built-in UVLO (Under voltage lock out) circuit and SCP
(Short circuit protection) circuit.
• BD9300F
6) Current at stand-by mode : 0µA (typ.)
7) Switching external synchronization available. (slave operation)
8.7±0.2
8
14
1
7
0.15±0.1
zAbsolute maximum ratings (Ta = 25°C)
0.1
1.27
0.4±0.1
Parameter
Unit
V
Symbol
Limits
36
SOP14
Supply voltage
V
CC
∗1
∗2
∗3
BD9300
950
450
400
• BD9300FV
Power dissipation
Pd
mW
BD9300F
BD9300FV
5.0 ± 0.2
14
8
Operating temperature range
Storage temperature range
Topr
Tstg
−40 to +85
°C
°C
−55 to +125
1
7
0.15 ± 0.1
∗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.
0.1
0.22 ± 0.1
0.65
SSOP-B14
zRecommended operating conditions (Ta = 25°C)
Parameter
Supply voltage
Symbol
Min.
3.6
Typ.
12
Max.
35
Unit
V
V
CC
Rev.A
1/2
BD9300/F/FV
Regulators
zElectrical characteristics (Unless otherwise noted, Ta=25°C, VCC=12V)
Parameter
Reference voltage
Symbol
Vref
Min.
Typ.
Max.
Unit
V
Conditions
2.475 2.500 2.525
Iref=1mA
Oscillating frequency
fosc
165
−
−
220
2.8
1.0
−
−
0
275
−
1.4
kHz
V
RT=20kΩ, CT=200pF
UVLO threshold voltage
Saturation voltage (output)
CTL ON threshold voltage
CTL OFF threshould voltage
Standby current
V
UT
SAT
ON
OFF
STB
CC
V
V
Io=30mA
V
2
−
V
V
−
−
−
0.7
10
2.4
V
I
µA
mA
VCTL=0V
RT=VREF
Average current consumption
I
1.2
zBlock diagram
NON
1/2VREF
13
INV
VREF
11
CTL
SCP
9
V
CC
14
12
10
8
2.5V
VREF
1.25V
ERR
TIMER
LATCH
PWM
OSC
1
2
3
4
5
6
7
DTC
RT
CT
FB
OUT
N.C.
GND
Rev.A
2/2
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1
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