BM2P121XH-Z datasheet(1/30 Pages) ROHM

部件名	BM2P121XH-Z

功能描述	Non-isolated Type PWM DC/DC Converter IC Built-in Switching MOSFET

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制造商	ROHM [Rohm]

网页	http://www.rohm.com

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〇Product structure : Silicon integrated circuit

〇This product has no designed protection against radioactive rays

1/27

TSZ02201-0F1F0A200560-1-2

17.Jan.2019 Rev.001

TSZ22111

• 14 • 001

www.rohm.com

AC/DC Convertor IC

Non-isolated Type PWM DC/DC Converter IC

Built-in Switching MOSFET

BM2P121XH-Z

General Description

The PWM type DC/DC converter for AC/DC provides

an optimum system for all products that include an

electrical outlet. It enables simpler design of a high

effective converter specializing in non-isolation.

By a built-in startup circuit that tolerates 650 V, this IC

contributes to low power consumption. A current

detection resistor as internal device realizes the small

power supply designs. Since a current mode control is

utilized, the current can be restricted in each cycle and

an excellent performance is demonstrated in the

bandwidth and transient response. The switching

frequency is fixed to 65 kHz. A frequency hopping

function is also on chip, and it contributes to low EMI. In

addition, a built-in super junction MOSFET which

tolerates 650 V makes the design easy.

Features

 PWM Current Mode Method

 Frequency Hopping Function

 Burst Operation at Light Load

 Built-in 650 V Startup Circuit

 Built-in 650 V Super Junction MOSFET

 VCC UVLO (Under Voltage Lockout)

 VCC OVP (Over Voltage Protection)

 Over Current Detection Function per Cycle

 Soft Start Function

Key Specifications

 Power Supply Voltage Range

DRAIN Pin:

650 V (Max)

 Current at Switching Operation:

850 µA (Typ)

 Current at Burst Operation:

450 µA (Typ)

 Switching Frequency:

65 kHz (Typ)

 Operation Temperature Range: -40 °C to +105 °C

 MOSFET ON Resistor:

1.5 Ω (Typ)

Package

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

DIP7K

9.27 mm x 6.35 mm x 8.63 mm

pitch 2.54 mm

Applications

Household

Appliances

such

as

LED

Lights,

Air-conditioners and Cleaners

Typical Application Circuit

GND

VOUT

AC

Input

Filter

DRAIN

VCC

GND_IC

DRAIN

Datasheet

类似零件编号 - BM2P121XH-Z

制造商	部件名	数据表	功能描述
Rohm	BM2P121X-Z	1Mb / 32P	Non-isolated Type PWM DC/DC Converter IC Built-in Switching MOSFET 18.Sep.2020 Rev.002

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