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BD9306AFVMのメーカーはROHM Semiconductorです、この部品の機能は「High-efficiency Switching Regulator」です。 このページではBD9306AFVMの詳細な仕様と技術情報(パラメータ、電気的特性、ピン配置など)を見つけることができます. |
部品番号 | BD9306AFVM |
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部品説明 | High-efficiency Switching Regulator | ||
メーカ | ROHM Semiconductor | ||
ロゴ | ![]() |
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このページの下部にプレビューとBD9306AFVMダウンロード(pdfファイル)リンクがあります。 Total 17 pages
![]() Large Current External FET Controller Type Switching Regulators
Single-output Step-up,High-efficiency
Switching Regulator(Controller Type)
BD9306AFVM
Single-output Step-up,High-efficiency
Switching Regulator(Controller Type)
BD9305AFVM
No.09028EAT04
Description
BD9305AFVM / BD9306AFVM are 1-channel DC/DC converter controllers. Step-down DC/DC converter can be configured
by BD9305AFVM, and Step-up DC/DC converter can be configured by BD9306AFVM. In addition, the master slave function,
which is that the synchronization is possible at the time of multi-connection, is mounted.
Features
1) 1ch PWM Control DC/DC Converter Controller
2) Input Voltage Range:4.2 to 18V
3) Feed Back Voltage:1.25±1.6%
4) Oscillating Frequency Variable:100 to 800kHz
5) Built-in Soft Start Function
6) Standby Current of 0 A (Typ.)
7) Built-in Master / Slave Function
8) Protection Circuit : Under Voltage Lockout Protection Circuit
Thermal Shutdown Circuit
Short Protection Circuit of Timer Latch type
9) MSOP8 Package
Applications
・TV, Power Supply for the TFT-LCD Panels used for LCD TVs, Back Lights
・DSC, DVC, Printer, DVD ,DVD Recorder, Generally Consumer Equipments etc.
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limit
Unit
Power supply voltage**
Vcc
20
Power dissipation
Pd
588*
Operating temperature range
Topr
-40 to +85
Storage temperature range
Tstg
-55 to +150
Maximum junction temperature
Tjmax
150
* Reduced by 4.7 mW/°C over 25°C, when mounted on a glass epoxy 4-layer board (70 mm 70 mm 1.6 mm)
** Must not exceed Pd.
V
mW
℃
℃
℃
Recommended Operating Ranges (Ta=-40℃ to +85℃)
Parameter
Symbol
Power supply voltage
Control Voltage
Timing Capacity
Timing Resistance
Oscillating frequency
Vcc
VENB
CT
RT
Fosc
Min
4.2
-
100
5
100
Limit
Typ
12
-
-
-
-
Max
18
Vcc
1000
50
800
Unit
V
V
pF
kΩ
kHz
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
1/14
2009.05 - Rev.A
1 Page ![]() ![]() BD9306AFVM, BD9305AFVM
Electrical Characteristics (Unless otherwise specified,VCC=12V, Ta=25℃)
1
0.5
Ta=25℃ Ta=85℃
0
Ta=40℃
-0.5
-1
01 23 4
INPUT VOLTAGE:VCC[V]
Fig.1 Standby Circuit Current
5
4
3 Ta=85℃
Ta=25℃
2
1 Ta=-40℃
0
0 5 10 15 20 25
INPUT VOLTAGE:VCC[V]
Fig.2 Average Consumption Current
1000
800
600
400
200
0
012 34
GD VOLTAGE:VGD[V]
Fig.4 GD Sink Current
5
0
-200
-400
-600
-800
-1000
0
12 34
GD VOLTAGE:VGD[V]
5
Fig.5 GD Source Current
0
-20
-40
-60
-80
-100
0
0.5 1 1.5 2
COMP VOLTAGE:VCOMP[V]
2.5
Fig.7 COMP Source Current
1.252
1.250
1.248
1.246
1.244
-40
-15 10 35 60
AMBIENT TEMPERATURE:Ta[℃]
85
Fig.8 Feed Back vs Temperature
Technical Note
300
280
260
240
220
200
-40 -15
10
35
60
85
AMBIENT TEMPERATURE:Ta[℃]
Fig.3 Frequency vs Temperature
100
80
60
40
20
0
0 0.5 1 1.5 2 2.5
COMP VOLTAGE:VCOMP[V]
Fig.6 COMP Sink Current
0.1
0.08
0.06
0.04
0.02
0
0.0 0.5 1.0 1.5 2.0 2.5
FB VOLTAGE:VFB[V]
Fig.9 FB Input Bias Current
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
3/14
2009.05 - Rev.A
3Pages ![]() ![]() BD9306AFVM, BD9305AFVM
Block Diagram / Application Circuit
Technical Note
FB
8
1.25V
Err
10000pF
5.1kΩ
COMP
7
GND
6
Vcc
5
Soft
Start
Timer
Latch
Shut Down
Vref
UVLO
TSD
Shut Down
OSC
PWM
DRV
VCC
VCC
10uF
0.5Ω
(When Output Short,
Protect Fall VCC)
47uH
20uF 30kΩ
ENABLE
1
RT
20kΩ
2
CT
200pF
3
ENB
10kΩ
4
GD
VCC
Fig.20 Block Diagram / Application Circuit (BD9305AFVM)
10kΩ
Vo
1kΩ
470pF
FB
8
1.25V
Err
10000pF
3.9kΩ
COMP
7
GND
6
Vcc
5
Soft
Start
Timer
Latch
Shut Down
Vref
UVLO
TSD
Shut Down
OSC
PWM
DRV
1
RT
20Ω
2
CT
200pF
ENABLE
3
ENB
10kΩ
VCC
4
GD
10uF
47uH
20uF
200kΩ
15kΩ
Vo
1kΩ
100pF
Fig.21 Block Diagram / Application Circuit (BD9306AFVM)
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
6/14
2009.05 - Rev.A
6 Page | |||
ページ | 合計 : 17 ページ | ||
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PDF ダウンロード | [ BD9306AFVM datasheet.PDF ] |
BD9306AFVM データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 また、BD9306AFVMのさまざまなアプリケーション回路とユースケースを使用して独自の設計に統合する方法を理解するのに役立ちます。 |
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部品番号 | 部品説明 | メーカ |
BD9306AFVM | High-efficiency Switching Regulator | ![]() ROHM Semiconductor |