Datasheet > BM2P249TF

BM2P249TF

更新时间： 2022-02-26 13:14:51

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
10页	926K
描述
Non-Isolation Buck Converter PWM method Output 3W 24V

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数据手册

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BM2P249TF 数据手册

User’s Guide

AC/DC Converter

Non-Isolation Buck Converter PWM method Output 3W 24V

BM2P249TF Reference Board

BM2P249TF-EVK-001

The BM2P249TF-EVK-001 evaluation board outputs 24V voltage from the input of 90Vac to 264Vac. The output

current supplies up to 0.125A. BM2P109TF which is PWM method DC/DC converter IC built-in 650V MOSFET is

used.

The BM2P249TF contributes to low power consumption by built-in a 650 V starting circuit. Built-in current detection

resistor realizes compact power supply design.

Current mode control imposes current limitation on every cycle, providing superior performance in bandwidth and

transient response. The switching frequency is 100 kHz in fixed mode. At light load, frequency is reduced and high

efficiency is realized. Built-in frequency hopping function contributes to low EMI. Low on-resistance 9.5 Ω 650 V

MOSFET built-in contributes to low power consumption and easy design.

The flywheel diode is a fast recovery diode of 1A/650 V RFN1LAM6S, contributing to low power consumption.

Electronics Characteristics

Not guarantee the characteristics, is representative value.

Unless otherwise noted :V_IN= 230Vac, I_OUT= 50mA, Ta:25℃

Parameter

Min

Typ

Max

Units

Conditions

Input Voltage Range

230

264

Vac

Input Frequency

21.6

50/60

24.0

26.4

3.0

Output Voltage

Maximum Output Power

I_OUT= 125mA

Output Current Range

(NOTE1)

125

Stand-by Power

Efficiency

105

I_OUT= 0A

73.1

Output Ripple Voltage

(NOTE2)

mVpp

℃

Operating Temperature

Range

-10

(NOTE1) Please adjust operating time, within any parts surface temperature under 105℃

(NOTE2) Not include spike noise

No. 60UG080E Rev.001

2018.3

1/8

12 3 4 5 6 7...10

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