BM2P109TF-E2

General

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-isolated devices. 

This series has a built-in HV starter circuit that 

tolerates 650V, and it contributes to low power 

consumption. With a current detection resistor for 

switching as internal device, it can be designed as 

small power supply. 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 

fixed to 100 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 650V 

makes the design easy. 

Features 

„ PWM frequency: 100kHz 

„ PWM current mode method 

„ Frequency hopping function 

„ Burst operation at light load 

„ Built-in 650V start circuit 

„ Built-in 650V switching MOSFET 

„ VCC pin under voltage protection 

„ VCC pin over voltage protection 

„ Over current limiter function per cycle 

„ Soft start function 

Basic Specification

   Power Supply Voltage Operation Range: 

   VCC(BM2P109TF) :           8.00V to 10.81V 

   VCC(BM2P159T1F) :       10.60V to 16.21V 

   VCC(BM2P249TF) :          10.60V to 26.80V 

   DRAIN :                                          to 650V 

Normal Operation Current                        0.85mA (Typ.) 

Burst Operation Current                             0.45mA(Typ.) 

Oscillation Frequency                                100kHz(Typ.) 

Operation Temperature Range       - 40 oC to +105 oC 

MOSFET ON resistor:                                     9.5Ω (Typ.)