BD8317GWL
升压/反转 2ch 开关稳压器
BD8317GWL
升压/反转 2ch 开关稳压器
BD8317GWL是搭载了升压、反转2个信道的二极管整流型电流模式控制的开关稳压器。内置SW用FET和带软启动功能的升压负载SW，可减少外接部件。此外，各信道还可独立控制，因此可轻松构建非动作信道的低功耗序列。
主要规格
特性：
ch
2
Integrated FET / Controller
Integrated FET
Topology
Boost / Inverting
Synchronous / Nonsynchronous
Non-synchronous
Vin1(Min.)[V]
2.5
Vin1(Max.)[V]
5.5
Vout1(Max.)[V]
18
Vout2(Min.)[V]
-9
Vout2(Max.)[V]
-1
SW frequency(Max.)[MHz]
0.8
Operating Temperature (Min.)[°C]
-35
Operating Temperature (Max.)[°C]
85
Package Size [mm]
1.8x1.5 (t=0.55)
特点：
- Wide input voltage range of 2.5V to 5.5V
- High frequency operation 0.8MHz
- Incorporates Nch FET of 230mΩ/22V and Pch Pow FET of 230mΩ/15V
- Incorporates Soft Start (4.2msec(typ)) and high side switch of boost channel
- Independent ON/OFF signal (STB). Built-in discharge SW for step up channel
- Small package UCSP50L1 (1.8mm×1.5mm, 4×3 grid, 11pin, WLCSP)
- Circuits protection OCP, SCP, UVLO, TSD
