Rohm Productdetail
Synchronous Boost DC/DC Converter (LOAD:500mA@Vout=3.3V,Vin=1.8V) - BU33UV7NUX
BU33UV7NUX is a synchronous buck-boost convertor with low power consumption and provides a power supply for products powered by either two-cell alkaline/ NiCd/ NiMH or one-cell Li-ion or Li-polymer battery. Output currents can go as high as 500mA while using two alkaline, and discharge it down to 1.8 V. BU33UV7NUX has reset circuit. (Detection voltage:1.5 V, Release Voltage:1.9 V) BU33UV7NUX output voltage is fixed 3.3V by internal resistor divider. Vout is connected with Vin when VIN voltage is higher than 3.3 V.
特性:
グレード
Standard
cｈ数
1
FET内蔵タイプ/FET外付タイプ
Integrated FET
降圧タイプ/昇圧タイプ/昇降圧タイプ/反転タイプ
Boost
同期整流 / 非同期整流
Synchronous
Vin1(Min.)[V]
0.6
Vin1(Max.)[V]
4.5
Vout1(Min.)[V]
3.3
Vout1(Max.)[V]
3.3
Iout1(Max.)[A]
0.5
SW周波数 (Max.)[MHz]
0.8
軽負荷モード
No
EN
Yes
PGOOD
No
動作温度範囲(Min.)[°C]
-40
動作温度範囲(Max.)[°C]
85
特長:
- Synchronous Boost DC/DC Converter
Iomax500mA @Vout=3.3V, Vin=1.8V (Ta=25°C) - Disconnect Function during EN-OFF and UVLO
- Auto-PFM/PWM (MODE=H(=VIN)),
FIXED PFM (MODE=L(=0V)) - Reset Function (Detect Voltage = 1.5V)
- Pass-Through Function (VIN > VOUT)
- Thermal Shutdown
- 10-pin “VSON010X3020” package