Datasheet > BM2P074KF

BM2P074KF

更新时间： 2023-09-03 20:24:58

品牌	Logo	应用领域
罗姆 - ROHM		开关转换器
页数	文件大小	规格书
22页	1182K
描述
内置AC/DC用MOSFET的PWM方式DC/DC转换器BM2P074KF-G为所有存在插口的产品提供优良的系统。绝缘、非绝缘均可对应，可轻松设计各种形式的低功耗转换器。内置800V耐压启动电路，有助于实现低功耗。外接开关用电流检测电阻，可实现高自由度的电源设计。使用电流模式控制，进行逐周期电流限制，发挥带宽和瞬态响应的优异性能。开关频率固定为65kHz。轻负载时降低频率，实现高效率。内置跳频功能，有助于实现低EMI。内置800V耐压MOSFET，设计简便。

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BM2P074KF 数据手册

Datasheet

AC/DC Drivers

PWM type DC/DC converter IC

Included 800V MOSFET

BM2P074KF-G

●General

The PWM type DC/DC converter (BM2P074KF-G) for

●Features

 PWM frequency : 65kHz

 PWM current mode method

AC/DC provide an optimum system for all products

that include an electrical outlet.

 Burst operation when load is light

 Frequency reduction function

 Built-in 800V start circuit

BM2P074KF-G supports both isolated and

non-isolated devices, enabling simpler design of

various types of low-power electrical converters.

BM2P074KF-G built in a HV starter circuit that

tolerates 800V, it contribut 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.

 Built-in 800V 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

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.

 Secondary Over current protection circuit

●Package

W(Typ.) x D(Typ.) x H(Max.)

5.00mm x 6.20mm x 1.71mm

SOP8

We can design easily, because BM2P074KF-G

includes the switching MOSFET.

●Basic specifications

Operating Power Supply Voltage Range:

VCC 10.2V to 26.0V

●Applications

DRAIN：～800V

AC adapters and household appliances (vacuum

cleaners, humidifiers, air cleaners, air conditioners, IH

cooking heaters, rice cookers, etc.)

Operating Current:

Normal Mode : 0.85mA (Typ.)

Burst Mode:0.40mA (Typ.)

65kHz(Typ.)

Oscillation Frequency:

Operating Temperature:

- 40deg. to +105deg.

MOSFET ON Resistance: BM2P074KF-G:6.7Ω(Typ)

●Application circuit

Figure 1．Application circuit

○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays

.www.rohm.com

TSZ02201-0F1F0A200270-1-2

14.Mar.2017.Rev.002

1/19

TSZ22111・14・001

12 3 4 5 6 7...22

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