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BM2P034 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 BM2P034
部品説明 PWM type DC/DC converter IC
メーカ Rohm
ロゴ Rohm ロゴ 



Total 21 pages
		

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BM2P034 Datasheet, BM2P034 PDF,ピン配置, 機能
Datasheet
AC/DC Drivers
PWM type DC/DC converter IC
Included 650V MOSFET
BM2PXX4 Series
General
The PWM type DC/DC converter (BM2PXX4) for
AC/DC provide an optimum system for all products
that include an electrical outlet.
BM2PXX4 supports both isolated and non-isolated
devices, enabling simpler design of various types of
low-power electrical converters.
BM2PXX4 built in a HV starter circuit that tolerates
650V, it contributes to low-power consumption.
With current detection resistors as external devices, a
higher degree of design freedom is achieved. Since
current mode control is utilized, current is restricted in
each cycle and excellent performance is demonstrated
in bandwidth and transient response.
The switching frequency is 65 kHz. At light load, the
switching frequency is reduced and high efficiency is
achieved.
A frequency hopping function is also on chip, which
contributes to low EMI.
We can design easily, because BM2PXX4 includes
the switching MOSFET.
Features
PWM frequency : 65kHz
PWM current mode method
Burst operation when load is light
Frequency reduction function
Built-in 650V start circuit
Built-in 650V switching MOSFET
VCC pin under voltage protection
VCC pin overvoltage protection
SOURCE pin Open protection
SOURCE pin Short protection
SOURCE pin Leading-Edge-Blanking function
Per-cycle over current protection circuit
Soft start
Secondary Over current protection circuit
Package
DIP7
9.20mm×6.35mm×4.30mm pitch 2.54mm
(Typ.) (Typ.) (Typ.)
(Typ.)
Basic specifications
Operating Power Supply Voltage Range:
VCC 8.9V to 26.0V DRAIN:~650V
Operating Current: Normal Mode
BM2P014: 0.950mA (Typ.)
BM2P034: 0.775mA (Typ.)
BM2P054: 0.600mA (Typ.)
BM2P094: 0.500mA (Typ.)
Burst Mode: 0.400mA (Typ.)
Oscillation Frequency:
Operating Temperature:
65kHz (Typ.)
- 40 oC to +105 oC
MOSFET ON Resistance:
BM2P014: 1.4(Typ,)
BM2P034: 2.4(Typ,)
BM2P054: 4.0(Typ,)
BM2P094: 8.5(Typ,)
Application circuit
Applications
AC adapters and household appliances (vacuum
cleaners, humidifiers, air cleaners, air conditioners, IH
cooking heaters, rice cookers, etc.)
Line Up
+ FUSE
AC
85-265Vac
-
Filter
Diode
Bridge
ERROR
AMP
Figure 1Application circuit
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed protection against radioactive rays
1/18
TSZ02201-0F2F0A200070-1-2
24.Sep.2015.Rev.008

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