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Overview
| Topology | Buck Converter |
| Input voltage | -0.3-650 V |
| Switching frequency | 94-106 kHz |
| IC revision | 002 |
Description
The PWM type DC/DC converter for AC/DC providesan optimum system for all products that include anelectrical outlet. It enables simpler design of a higheffective converter specializing in non-isolated devices.This series has a built-in HV starter circuit thattolerates 650V/800V, and it contributes to low powerconsumption. With a current detection resistor forswitching as internal device, it can be designed assmall power supply. Since current mode control isutilized, current is restricted in each cycle andexcellent performance is demonstrated in bandwidthand transient response. The switching frequency isfixed to 100 kHz. A frequency hopping function is alsoon chip, and it contributes to low EMI. In addition, abuilt-in super junction MOSFET which tolerates650V/800V makes the design easy
Features
PWM frequency: 100kHz PWM current mode method Frequency hopping function Burst operation at light load Built-in 650V/800V start circuit Built-in 650V/800V switching MOSFET VCC pin under voltage protection VCC pin over voltage protection Over current limiter function per cycle Soft start function
Typical applications
- http://www.rohm.com/web/global/datasheet/BM2P129TF/bm2p139tf-e
- Air conditioners/ cleaners
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IR (A) | ISAT (A) | RDC max. (mΩ) | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | DF (%) | Pitch (mm) | Ø D (mm) | L (mm) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447471221 | SPEC | 8 files | WE-TIS Radial Leaded Wire Wound Inductor | 220 | 1 | 1.4 | 510 | – | – | – | – | – | – | – | – | – | 11 | – | ||
 | 860021374008 | SPEC | 7 files | WCAP-ATG5 Aluminum Electrolytic Capacitors | – | – | – | – | 4.7 µF | 400 | 2000 | -25 °C up to +105 °C | 48 | 56.4 | 15 | 3.5 | 8 | 11.5 | Ammopack | ||
 | 860080474010 | SPEC | 7 files | WCAP-ATLI Aluminum Electrolytic Capacitors | – | – | – | – | 220 µF | 25 | 3000 | -55 °C up to +105 °C | 750 | 55 | 10 | 3.5 | 8 | 11.5 | Ammopack |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447471221 | SPEC | |
| 860021374008 | SPEC | |
| 860080474010 | SPEC |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IR (A) | ISAT (A) | RDC max. (mΩ) | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | DF (%) | Pitch (mm) | Ø D (mm) | L (mm) | Packaging | Samples |
|---|