BD9611MUV
60V 耐压降压同步整流开关稳压器(控制器)
BD9611MUV
60V 耐压降压同步整流开关稳压器(控制器)
BD9611MUV是可输入高电压的具有大输入范围(VCC=10V~56V)的60V耐压降压同步整流DC/DC控制器。内置PWM、基于电压模式的控制电路、外接的2个Nch-FET的驱动电路。备有振荡频率及软启动的调整功能、过电流保护（打嗝动作的自动复位型）等保护功能、与外部时钟同步功能等，可进行自由设计。此外，CTL端子与具有高精度基准电压的低输入误动作防止电路(EXUVLO)连接，可通过VCC-GND间电阻比进行调整。还可对应预偏压，抑制启动时输出侧的电流进入。
主要规格
特性：
ch
1
Integrated FET / Controller
Controller
Topology
Buck
Synchronous / Nonsynchronous
Synchronous
Vin1(Min.)[V]
10
Vin1(Max.)[V]
56
Vout1(Min.)[V]
1
Vout1(Max.)[V]
44.8
SW frequency(Max.)[MHz]
0.5
Light Load mode
No
EN
No
PGOOD
No
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Package Size [mm]
4x4 (t=1)
特点：
- High Resistance and Wide Range Voltage Input: VCC=10V to 56V
- Regulated Voltage Output to Drive External FET gate: REG10=10V
- Internal Reference Voltage Accuracy: 0.8V±1.0%
- Safe for Pre-biased Outputs
- Adjustable Operating Frequency and Soft-start
- Master/Slave Synchronization
- Over Current Protection (OCP)
- Under Voltage Locked Output (UVLO, EXUVLO)
- Thermal Shut-down (TSD)
Reference Design / Application Evaluation Kit
-
- Evaluation Board - BD9611MUV-EVK-001
Using a synchronous rectified step-down DC/DC converter IC BD9611MUV BD 9611MUV-EVK-001 evaluation board 15.0 V ~ output a 24 V input voltage 12.0 V. Provides 10.0A output current. Output current is possible with current settings by selecting high rated current FET and coil. You can adjust the loop characteristics by phase compensation components, can set the output voltage to change the IC external parts.
