BD9A100MUV
2.7V～5.5V输入1A MOSFET内置 1ch同步整流 降压DC/DC转换器
BD9A100MUV
2.7V～5.5V输入1A MOSFET内置 1ch同步整流 降压DC/DC转换器
BD9A100MUV是内置低导通电阻的功率MOSFET的同步整流降压型开关稳压器。最大可输出1A的电流。凭借SLLM™控制，实现轻负载状态的良好效率特性，适用于要降低待机功耗的设备。振荡频率1MHz的高速产品，适用于小型电感。是电流模式控制DC/DC转换器，具有高速瞬态响应性能，可轻松设定相位补偿。
主要规格
特性：
ch
1
Integrated FET / Controller
Integrated FET
Topology
Buck
Synchronous / Nonsynchronous
Synchronous
Vin1(Min.)[V]
2.7
Vin1(Max.)[V]
5.5
Vout1(Min.)[V]
0.8
Vout1(Max.)[V]
3.85
Iout1(Max.)[A]
1
SW frequency(Max.)[MHz]
1
Light Load mode
Yes
EN
Yes
PGOOD
Yes
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
3x3 (t=1)
特点：
·Synchronous 1 ch DC/DC converter·SLLM™ (Simple Light Load Mode) control
·Over Current Protection
·Short Circuit Protection
·Thermal Shutdown protection
·Under Voltage lockout protection
·Adjustable soft start function
·Power Good output
·VQFN016V3030 package (backside heat
dissipation)
Reference Design / Application Evaluation Kit
-
- Evaluation Board - BD9A100MUV-EVK-001
This evaluation board has been developed for ROHM’s synchronous buck DC/DC converter customers evaluating BD9A100MUV. While accepting a power supply of 2.7-5.5V, an output of 1.8V can be produced. The IC has internal 60mΩ high-side N-channel MOSFET and 60mΩ low-side N-channel MOSFET and a synchronization frequency is of 1MHz.
