BA9744FS-E2 [ROHM]
Dual Switching Controller;
| 型号： | BA9744FS-E2 |
| 厂家： | 
ROHM |
| 描述： | Dual Switching Controller 开关 |
| 文件： | 总17页 (文件大小：4203K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Technical Note
Large Current External FET Controller T ype Switching Regulators
Dual-output Step-up, Negative Voltage,
Step-down Switching Regulators (Controller type)
No.13028ECT10
BA9743AFV, BA9744FV, BA9741F, BA9741FS
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www.rohm.com
2013.03 - Rev. C
1/16
© 2013 ROHM Co., Ltd. All rights reserved.
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
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www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03 - Rev. C
2/16
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03 - Rev. C
3/16
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03 - Rev. C
4/16
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
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www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03 - Rev. C
5/16
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03 - Rev. C
6/16
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
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www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03 - Rev. C
7/16
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
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Vcc
9
CT
1
RT
2
TRIANGLE
OSCILLATOR
REFERENCE
VOLTAGE
VREF 16
NON1
INV1
FB1
3
4
5
ErrAmp1
ErrAmp2
PMW COMP1
SCP COMP
7
OUT1
OUT2
NON2
INV2
14
13
10
VREF(BA9741F/FS,
BA9743AFV)
FB2
12
PMW COMP2
VREF
VCC(BA9744FV)
15
SCP
S
R
R
UVLO
TIMER
LATCH
8
6
11
DT1
DT2
GND
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03 - Rev. C
8/16
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03 - Rev. C
9/16
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03 - Rev. C
10/16
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03-
R
e
v. C
11/16
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03 - Rev. C
12/16
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03 - Rev. C
13/16
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03 - Rev. C
14/16
BA9743AFV, BA9744FV, BA9741F/FS
Technical Note
ēHeat dissipation characteristics
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
2013.03 - Rev. C
15/16
Technical Note
BA9743AFV, BA9744FV, BA9741F/FS
●Ordering part number
B
A
9
7
4
3
A
F
V
-
E
2
Part No.
Part No.
9743A
9744
Package
Packaging and forming specification
E2: Embossed tape and reel
FV:SSOP-B16
FS:SSOP-A16
F:SOP16
9741
SSOP-B16
<Tape and Reel information>
5.0 0.2
Tape
Embossed carrier tape
2500pcs
16
9
Quantity
E2
Direction
of feed
The direction is the 1pin of product is at the upper left when you hold
reel on the left hand and you pull out the tape on the right hand
(
)
1
8
0.15 0.1
0.1
0.65
Direction of feed
1pin
0.22 0.1
Reel
(Unit : mm)
Order quantity needs to be multiple of the minimum quantity.
∗
SSOP-A16
<Tape and Reel information>
6.6 0.2
(MAX 6.95 include BURR)
Tape
Embossed carrier tape
16 15 14 13 12 11 10
9
Quantity
2500pcs
E2
Direction
of feed
The direction is the 1pin of product is at the upper left when you hold
reel on the left hand and you pull out the tape on the right hand
(
)
1
2
3
4
5
6
7
8
0.15 0.1
0.36 0.1
0.1
Direction of feed
1pin
0.8
Reel
(Unit : mm)
Order quantity needs to be multiple of the minimum quantity.
∗
SOP16
<Tape and Reel information>
10 0.2
(MAX 10.35 include BURR)
Tape
Embossed carrier tape
Quantity
2500pcs
16
9
E2
Direction
of feed
The direction is the 1pin of product is at the upper left when you hold
reel on the left hand and you pull out the tape on the right hand
(
)
1
8
0.15 0.1
1.27
0.4 0.1
0.1
Direction of feed
1pin
Reel
(Unit : mm)
Order quantity needs to be multiple of the minimum quantity.
∗
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
16/16
2013.03 - Rev. C
Notice
N o t e s
1) The information contained herein is subject to change without notice.
2) Before you use our Products, please contact our sales representative and verify the latest specifica-
tions :
3) Although ROHM is continuously working to improve product reliability and quality, semicon-
ductors can break down and malfunction due to various factors.
Therefore, in order to prevent personal injury or fire arising from failure, please take safety
measures such as complying with the derating characteristics, implementing redundant and
fire prevention designs, and utilizing backups and fail-safe procedures. ROHM shall have no
responsibility for any damages arising out of the use of our Poducts beyond the rating specified by
ROHM.
4) Examples of application circuits, circuit constants and any other information contained herein are
provided only to illustrate the standard usage and operations of the Products. The peripheral
conditions must be taken into account when designing circuits for mass production.
5) The technical information specified herein is intended only to show the typical functions of and
examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly,
any license to use or exercise intellectual property or other rights held by ROHM or any other
parties. ROHM shall have no responsibility whatsoever for any dispute arising out of the use of
such technical information.
6) The Products are intended for use in general electronic equipment (i.e. AV/OA devices, communi-
cation, consumer systems, gaming/entertainment sets) as well as the applications indicated in
this document.
7) The Products specified in this document are not designed to be radiation tolerant.
8) For use of our Products in applications requiring a high degree of reliability (as exemplified
below), please contact and consult with a ROHM representative : transportation equipment (i.e.
cars, ships, trains), primary communication equipment, traffic lights, fire/crime prevention, safety
equipment, medical systems, servers, solar cells, and power transmission systems.
9) Do not use our Products in applications requiring extremely high reliability, such as aerospace
equipment, nuclear power control systems, and submarine repeaters.
10) ROHM shall have no responsibility for any damages or injury arising from non-compliance with
the recommended usage conditions and specifications contained herein.
11) ROHM has used reasonable care to ensur the accuracy of the information contained in this
document. However, ROHM does not warrants that such information is error-free, and ROHM
shall have no responsibility for any damages arising from any inaccuracy or misprint of such
information.
12) Please use the Products in accordance with any applicable environmental laws and regulations,
such as the RoHS Directive. For more details, including RoHS compatibility, please contact a
ROHM sales office. ROHM shall have no responsibility for any damages or losses resulting
non-compliance with any applicable laws or regulations.
13) When providing our Products and technologies contained in this document to other countries,
you must abide by the procedures and provisions stipulated in all applicable export laws and
regulations, including without limitation the US Export Administration Regulations and the Foreign
Exchange and Foreign Trade Act.
14) This document, in part or in whole, may not be reprinted or reproduced without prior consent of
ROHM.
Thank you for your accessing to ROHM product informations.
More detail product informations and catalogs are available, please contact us.
ROHM Customer Support System
http://www.rohm.com/contact/
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
R1102
A
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