BU90004GWZ
1.0A输出 FET内置型 高效率降压开关稳压器
BU90004GWZ
1.0A输出 FET内置型 高效率降压开关稳压器
BU9000xGWZ是以最大6MHz的开关频率工作的小型、高效率降压开关稳压器。支持最大1.0A(VIN=3.0～5.5V时)的输出电流，适用于电池驱动的便携设备。根据MODE引脚的逻辑，可自动切换强制PWM模式或PWM/PFM模式。在PFM模式时可减小自消耗电流，提高轻负载时的效率。
主要规格
特性：
ch
1
Integrated FET / Controller
Integrated FET
Topology
Buck
Synchronous / Nonsynchronous
Synchronous
Vin1(Min.)[V]
2.3
Vin1(Max.)[V]
5.5
Vout1(Min.)[V]
1.8
Vout1(Max.)[V]
1.8
Iout1(Max.)[A]
1
SW frequency(Max.)[MHz]
6
Light Load mode
Yes
EN
Yes
PGOOD
No
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
0.4x0.4 (t=0.4)
特点：
・Fast transient response・Automatic PFM/PWM operation
・Forced PWM operation
・Internal Soft Start
・Under voltage lockout
・Over current protection
・Thermal shutdown
Reference Design / Application Evaluation Kit
-
- Evaluation Board - BU90004GWZ-E2-EVK-101
This evaluation board has been specifically developed to evaluate the BU90004GWZ synchronous buck DC/DC converter with integrated 250mΩ high-side Pch and 220mΩ low-side Nch MOSFETs.
