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BM521Q25F-XX PDF预览

BM521Q25F-XX

更新时间: 2024-10-31 01:17:23
品牌 Logo 应用领域
罗姆 - ROHM /
页数 文件大小 规格书
20页 1269K
描述
AC/DC controller IC for LED lighting Included 650V MOSFET

BM521Q25F-XX 数据手册

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Datasheet  
AC/DC Drivers  
AC/DC controller IC for LED lighting  
Included 650V MOSFET  
BM521Q25F  
General Description  
Features  
BM521Q25F is an AC/DC converter for LED lighting,  
which has a built-in MOSFET with 650V withstand  
voltage. This IC can be applied to quasi-resonant typed  
High-side LED driver application, and the high current  
precision and Low EMI noise can be achieved. Moreover,  
owing to the built-in PFC (Power Factor Correction)  
converter, the harmonics is improved.  
Owing to the start-up circuit with 650V withstand voltage,  
the low power consumption is achieved. And owing to  
the external current setting resistance, a power supply  
design with a high degree of freedom can be achieved.  
Owing to the built-in start-up circuit and MOSFET with  
650V withstand voltage, a compact application can be  
designed easily, and the low-cost can be achieved with  
the small BOM size.  
Quasi-resonant Switching Mode + PFC Circuit  
Non-isolated Application  
Built-in 650V Start-up Circuit  
Built-in 650V Switching MOSFET  
Maximum Frequency 300kHz  
VCC Pin: Under Voltage Protection  
VCC Pin: Over Voltage Protection (Latch)  
SOURCE Pin: Leading-Edge-Blanking Function  
SOURCE Pin: OPEN Protection Function  
LED Over Current Detection Function  
Package  
W(Typ) x D(Typ) x H(Max)  
5.00mm x 6.20mm x 1.71mm  
SOP8  
Key Specifications  
Operating Power Supply Voltage Range:  
VCC: 8.9V to 25.0V  
DRAIN: to 650V  
Operating Current: Normal Operation: 400μA (Typ)  
Operating Temperature Range:  
MOSFET ON Resistance:  
- 40°C to +105°C  
4.0Ω (Typ)  
Application  
LED Bulb, Down-light etc.  
Electrical Machineries for LED Lighting  
Typical Application Circuit  
F1  
DA1  
L1  
Vin  
R1  
R3  
CB  
CIN  
C1  
D2  
U1  
DZ  
R2  
R4  
RS  
C2  
C3  
LED+  
L2  
+
D1  
CO  
RO  
LED-  
Figure 1. Application Circuit  
Product structure : Silicon monolithic integrated circuit This product has no designed protection against radioactive rays  
.www.rohm.com  
TSZ02201-0F4F0C300090-1-2  
20.Apr.2016 Rev.002  
© 2016 ROHM Co., Ltd. All rights reserved.  
1/16  
TSZ2211114001  

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