User's Guide
- Reference Board BM2P121X-EVK-001
BM2P121X-Z
BM2P121X-Z
內建開關MOSFET 非絕緣型 PWM DC/DC轉換器IC
此IC是用於AC/DC的PWM方式DC/DC轉換器，為所有附帶插座的產品提供合適的電源系統。可輕鬆設計出非絕緣專用的高效率轉換器。內建650V耐壓啟動電路，有助於降低功耗。內建電流檢測電阻，實現小型化的電源設計。由於使用了電流模式控制，因此可對每個電路進行電流限制，並且頻寬和暫態響應性能非常出色。開關頻率是65kHz固定方式。內建跳頻功能，有助於降低EMI。此外內建650V耐壓SJ MOSFET，易於設計。
Product Detail
規格:
FB OLP
Auto Restart
BR UVLO
No
External LATCH Function
No
AC Monitor Function
No
VH Terminal UVLO
No
Over Current Detection Current (typ.)[A]
2.0
Dynamic Over Current Detection
Yes
Frequency Reduction Function
Yes
Current Detection Resistors
Integrated
Feedback Voltage (typ.)[V]
12.0
FET
Integrated
Controller Type
PWM
Vin1(Min.)[V]
9.5
Vin1(Max.)[V]
12.96
Withstand Voltage [V]
650
SW Frequency (Max.)[kHz]
65.0
VCC OVP
Auto Restart
BR PIN
No
On Resistor (MOSFET)[Ω]
1.5
Channel
1
Light Load mode
Yes
EN
No
Soft Start
Yes
Thermal Shut-down
Yes
Under Voltage Lock Out
Yes
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Package Size [mm]
9.27x6.35 (t=4.3)
功能:
- PWM Current Mode Method
- Frequency Hopping Function
- Burst Operation at Light Load
- Built-in 650V Startup Circuit
- Built-in 650V Super Junction MOSFET
- VCC UVLO (Under Voltage Lockout)
- VCC OVP (Over Voltage Protection)
- Over Current Detection Function per Cycle
- Soft Start Function
Evaluation
Board
-
- Evaluation Board
- BM2P121X-EVK-001
12V output from the input of 90 Vac to 264 Vac. The output current supplies up to 0.75A.
Design Resources
Documents
User's Guide
- Reference Board BM2P121X-EVK-001
Technical Articles
Schematic Design & Verification
- Importance of Probe Calibration When Measuring Power: Deskew
- Impedance Characteristics of Bypass Capacitor
Thermal Design
- What Is Thermal Design
- Basics of Thermal Resistance and Heat Dissipation
- Method for Calculating Junction Temperature from Transient Thermal Resistance Data
- Thermal Resistance
Tools
2D/3D/CAD
- DIP7K Footprint / Symbol
- DIP7K 3D STEP Data
Packaging & Quality
Package Information
- Package Information
Manufacturing Data
- Factory Information
Environmental Data
- REACH SVHC Non-use Declaration