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ROHM BM2P209TF | Demoboard BM2P209TF-EVK-001
AC/DC Converter Non-Isolation Buck Converter PWM method Output 3W 20V
Overview
| Topology | Buck Converter |
| Input voltage | 90-264 V |
| Output 1 | 22 V / 0.15 A |
| IC revision | 003 |
Description
The PWM type DC/DC converter for AC/DC provides an optimum system for all products that have an electrical outlet. It enables simpler design of a high effective converter specializing in non-isolated devices. This series has a built-in starter circuit that tolerates 650 V, and it contributes to low power consumption. With a current detection resistor 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 oscillation 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 650 V makes the design easy.
Features
- PWM Current Mode Method
- Frequency Hopping Function
- Burst Operation at Light Load
- Built-in 650 V Starter Circuit that Tolerates
- Built-in 650 V Super Junction MOSFET
- VCC Pin Under Voltage Protection
- VCC Pin Over Voltage Protection
- Over Current Limiter Function Per Cycle
- Soft Start Function
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Mount | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Pitch(mm) | Ø D(mm) | L(mm) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TIS Radial Leaded Wire Wound Inductor, 470 µH, 0.68 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TIS Radial Leaded Wire Wound Inductor | Inductance470 µH | Rated Current0.68 A | Saturation Current0.98 A | DC Resistance1200 mΩ | Self Resonant Frequency1.6 MHz | MountTHT | – | – | – | – | – | – | – | – | Length11 mm | – | ||||
 | WCAP-ATG5 Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | – | – | – | – | – | – | Capacitance4.7 µF | Rated Voltage400 V (DC) | Endurance 2000 | Ripple Current48 mA | Leakage Current56.4 µA | Dissipation Factor15 % | Pitch3.5 mm | Diameter8 mm | Length11.5 mm | PackagingAmmopack | ||||
 | WCAP-ATLI Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATLI Aluminum Electrolytic Capacitors | – | – | – | – | – | – | Capacitance100 µF | Rated Voltage50 V (DC) | Endurance 3000 | Ripple Current730 mA | Leakage Current50 µA | Dissipation Factor8 % | Pitch3.5 mm | Diameter8 mm | Length11.5 mm | PackagingAmmopack |