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© 2021 ROHM Co., Ltd.

No. 63UG097E Rev.001

Jan.2021

User’s Guide

AC-DC Convertor

PWM type Isolated ACDC Converter

Output 12 W 12 V/1.0 A

BM2P134E Reference Board

BM2P134E-EVK-001

Futures

(1)

Built-in 650 V SJ-FET and Start up circuit

(2)

Frequency 130 kHz

(3)

Corresponded W/W input voltage 90 Vac to 264 Vac

(4)

Adjustable under voltage lock out by BR terminal

(5)

Adjustable AC over voltage protection by ZT terminal

Electrical Characteristics

Table 1. Input Range

Description

Min

Typ

Max

Units

Conditions

Input Voltage Range

90

230

264

Vac

Input Frequency Range

47

50/60

63

Hz

Operating Temperature

-

10

25

65

°C

Table 2. Evaluation board specification

These are representative values and not a guarantee of the characteristics, unless stated otherwise use VIN = 230 Vac, IOUT = 1.0 A, Ta: 25 ° C.

Description

Min

Typ

Max

Units

Conditions

Output Voltage

11.4

12

12.6

V

Output Maximum Power

-

-

12

W

Output Current Range (Note1)

-

-

1.0

A

No Load Power Consumption

-

150

-

mW

VIN = 264 Vac

Efficiency

-

84.5

-

%

Output Ripple Voltage (Note2)

-

-

300

mV

(Note 1) Adjust the operating time so that surface temperature of no component exceeds 105 ° C

(Note 2) Do not consider spike noise

Figure 1. Evaluation Board