BP5811 [ROHM]
Variable output DC/DC converter; 可变输出的DC / DC转换器
| 型号： | BP5811 |
| 厂家： | 
ROHM |
| 描述： | Variable output DC/DC converter |
| 文件： | 总3页 (文件大小：461K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Variable output DC/DC converter
0 to 19V/300mA output type
BP5811
Dimensions (Unit : mm)
Absolute Maximum Ratings
Parameter
Symbol
VMIN
Limits
25
Unit
V
Motor driving supply voltage
CTL input voltage
VCTL
0.3 to 5.5
300
V
Maximum output current
Operating temperature range
Storage temperature range
Maximum surface temperature
Iopeak
Topr
mA
°C
°C
°C
−20 to +80
−30 to +85
100
Tstg
Tcmax
Recommended Action Conditions
Parameter
Symbol
VMIN
Vctl
Min.
19.0
0
Typ.
20.0
-
Max.
21.0
5.0
Unit
Conditions
IO=300mA
Motor driving supply voltage
CTL input voltage
CTL input frequency
V
V
Derating Curve
fctl
1
50
100
kHz
Derating Curve
350
300
250
200
150
100
50
Vctl=5V
Vctl=4V
Vctl=3V
Vctl=2V
Vctl=1V
Electrical Characteristics
Unless otherwise specified,VMIN=20V, IO=300mA. VCTL=5.0V, Ta=25°C
Parameter
Symbol Min.
Typ.
Max.
20.0
15.9
7.94
300
0.15
-
Conditions
Unit
V
V
0
18.0
19.0
15.1
7.35
-
0.05
93
-30 -20 -10
0
10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Output voltage
14.3
6.76
-
-
88
Vo
V
mA
Vp-p
%
Output current
Output ripple
Power conversion efficiency
Io
VP
η
Output voltage
control characteristic (Ta=25°C)
VO-VCTL Characteristics (VMin=20V)
20
15
10
5
Application circuit
0
0
BP5811
1
2
3
4
5
Control Voltage (DC) VCTL(V)
BP5811
VO-Duty Characteristics (VMin=20V)
20
15
10
5
1
2
3
6
7
8
9
0
0
20
40
60
80
100
L1
Control Duty fCTL=50kHz Duty(%)
Vo
WMin
C2
C1
CTL
Conversion efficiency
(VMin=20V, VCTL=5V)
Be sure to use fuse for safety.
100
90
80
70
60
50
40
30
20
10
0
External components setting
FUSE: Fuse
C1: Capacitor for input
voltage smoothing
Please make sure to use quick acting (2.3A
470 F/50V Low impedance
Recommended part : PM series (Nichicon)
470 F/50V Low impedance
Recommended part : PM series (Nichicon)
47 H, Rated current 1.2A or higher
Recommended part : TSL0808-470K1R2 (TDK)
)
µ
µ
C2: Capacitor for Output
voltage smoothing
0
50
100
150
200
250
300
µ
L1: Power inductor
Output Current IO (mA)
Description terminal
Pin No.
Function
Input terminal
N.C.
GND
Skip
1
2
3
4
5
6
7
8
9
Skip
Coil connection terminal
Coil connection terminal
Control terminal
Output voltage
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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