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BM28723AMUV 参数 Datasheet PDF下载

BM28723AMUV图片预览
型号: BM28723AMUV
PDF下载: 下载PDF文件 查看货源
内容描述: [BM1050AF是组合了应对高次谐波的功率因数校正(Power Factor Correction)转换器(以下简称PFC部)与DC/DC转换器(以下简称DC/DC部)的复合LSI。DC/DC部采用准谐振方式动作,有助于实现低EMI。BM1050AF内置650V耐压启动电路。PFC部、DC/DC部均外接开关MOSFET及电流检测电阻,可实现自由度高的电源设计。PFC部采用峰值电流控制。利用带AC电压过低补偿电路的乘法器、应对负载变动的电路、最大功率补偿电路等各种保护电路,提供合适的应用方案。此外,内置跳频功能,有助于实现低EMI。DC/DC部的准谐振方式为软开关动作,有助于实现低EMI。内置脉冲串模式,可降低轻负载时的功耗。内置了软启动功能、脉冲串功能、逐周期过电流限制、过电压保护、过负荷保护等各种保护功能。与微控制器间设有通信控制用端子、外部停止端子,可提供适用于各种应用的系统方案。]
分类和应用: 通信开关控制器微控制器软启动脉冲功率因数校正转换器
文件页数/大小: 82 页 / 5460 K
品牌: ROHM [ ROHM ]
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BM28723AMUV  
Selection of Components Externally Connected - continued  
5 Operating Condition with the Application Component  
Limit  
Parameter  
Parts No.  
C17, C24  
C27  
Unit  
µF  
µF  
µF  
µF  
µF  
Conditions  
B characteristics  
Ceramic type capacitor  
recommended  
B characteristics, 16V  
Ceramic type capacitor  
recommended  
B characteristics, 10V  
Ceramic type capacitor  
recommended  
B characteristics, 16V  
Ceramic type capacitor  
recommended  
B characteristics, 16V  
Ceramic type capacitor  
recommended  
Min  
Typ  
Max  
-
Coupling Capacitor for Power  
Supply  
1(Note 24)  
10  
Capacitor for REG_G  
Capacitor for REG15  
1(Note 24)  
10  
1.0  
3.3  
4.7  
13.5(Note 26)  
1.35(Note 26)  
4.5(Note 26)  
C7  
0.4(Note 24)  
2.0(Note 24)  
(Note 25)  
C15, C19,  
C22, C26  
Capacitor for BSP  
2.0(Note 24)  
6.3(Note 26)  
(Note 25)  
(Note 27)  
(Note 24) Should use the capacity of the capacitor not to be less than a minimum in consideration of temperature characteristics and dc-bias characteristics.  
(Note 25) Minimum value to guarantee Speaker output operating range (20Hz to 20kHz, sin wave, THD+N ≤ 10%)  
(Note 26) Use it within this rating. (Capacitance±10%, Capacitance change ratio±22%)  
(Note 27) Influence it at the RSTX → MUTEX Wait time (TWAIT: Refer to P.27) at the time of the Power Supply Start-up. Use it within this rating.  
www.rohm.com  
TSZ02201-0C1C0E900720-1-2  
© 2018 ROHM Co., Ltd. All rights reserved.  
74/79  
TSZ22111 15 001  
31.Aug.2018 Rev.001  
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