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BM2P048F Datasheet(PDF) 1 Page - Rohm |
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BM2P048F Datasheet(HTML) 1 Page - Rohm |
1 / 23 page Datasheet ○ Product structure:Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays. . 1/19 TSZ02201-0F2F0A200210-1-2 28.Oct.2016.Rev.002 © 2012 ROHM Co., Ltd. All rights reserved. TSZ22111・14・001 www.rohm.com AC/DC Converter IC PWM type DC/DC converter IC Included a Switching MOSFET BM2PXX5F/BM2PXX6F/BM2PXX7F/BM2PXX8F Series ● General Description The PWM type DC/DC converter (BM2PXXXF) for AC/DC provides an optimal system for all products that include an electrical outlet. BM2PXXXF supports both isolated and non- isolated devices, enabling simpler design of various types of low-power electrical converters. The built-in 650V HV starter circuit contributes to low-power consumption. A higher degree of design freedom can be achieved with current detection resistors as external devices. Current is restricted in each cycle and excellent performance is demonstrated in bandwidth and transient response since current mode control is utilized. The switching frequency is 65 kHz. At light load, the switching frequency is reduced and high efficiency is achieved. A frequency hopping function that contributes to low EMI is also included on chip. Design can be easily implemented because includes a 650V switching MOSFET. ● Features PWM frequency : 65kHz PWM current mode control Burst operation when load is light Frequency reduction function Built-in 650V starter circuit Built-in 650V switching MOSFET VCC pin Under-Voltage protection VCC pin Over-Voltage protection SOURCE pin Open Protection SOURCE pin Short Protection SOURCE pin Leading Edge Blanking function Per-cycle Over-Current Protection Circuit Soft start Secondary Over-Current Protection Circuit ● Basic specifications Operating Power Supply Voltage Range: VCC 8.9V to 26.0V DRAIN to 650V Normal Operating Current: (BM2Px5xF) :0.60mA (Typ.) (BM2Px9xF) :0.50mA (Typ.) ■ Burst Operating Current: 0.30mA(Typ.) Oscillation Frequency: 65kHz(Typ.) Operating Temperature: - 40deg. to +105deg. MOSFET ON Resistance: BM2Px5xF:4.0Ω (Typ.) BM2Px9xF:8.5Ω (Typ.) ● Package SOP8 5.00mm x 6.20mm x 1.71mm pitch 1.27mm (Typ.) (Typ.) (TYP.) (TYP.) ● Applications For AC adapters and household appliances (vacuum cleaners, humidifiers, air cleaners, air conditioners, IH cooking heaters, rice cookers, etc.) ● Application Circuit Figure 1. Application Circuit |
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