BU25SA4WGWL-E2 ROHM

Datasheet CMOS LDO Regulators for Portable Equipments 1ch 200mA CMOS LDO Regulators BUxxSA4 series General Description Key Specifications Input Power Supply Voltage Range: 1.7V to 5.5V BUxxSA4 series are high-performance CMOS LDO Output Current Range: 0 to 200mA regulators with output current ability of up to 200-mA. Operating Temperature Range: -40 to +85 These devices have excellent noise and load response Output Voltage Lineup: 1.8V,2.5V,2.55V characteristics despite of its low circuit current 2.8V,3.0V,3.3V consumption of 40A. They are most appropriate for Output Voltage Accuracy: 0.6% Circuit Current: 40A(Typ.) various applications such as power supplies for logic IC, Standby Current: 0A (Typ.) RF, and camera modules. Package W(Typ.) x D(Typ.) x H(Max.) Features UCSP50L1(BUXXSA4WGWL) 0.8mm x 0.8mm x 0.5mm High Output Voltage Accuracy: 0.6% (15mV on VOUT<2.5V) High Ripple Rejection: 70 dB (Typ, 1 kHz,) Compatible with small ceramic capacitor (Cin=Cout=0.47 F) Low Current Consumption: 40 A Output Voltage ON/OFF control Built-in Over Current Protection Circuit (OCP) Built-in Thermal Shutdown Circuit (TSD) Adopting ultra-small WLCSP UCSP50L1 Applications Portable devices Camera modules Other electronic devices using microcontrollers or logic circuits Typical Application Circuit ViViVinnn VOUVOUVOUTTT VINVINVIN VouVouVouttt CinCinCin CouCouCouttt BUBUBUxxxxxxSDSDSD2M2M2MG-G-G-MMM BUxxSA4 OnOnOn STBSTBSTBYYY OffOffOff GNGNGNDDD Figure 1. Typical Application Circuit Product structureSilicon monolithic integrated circuit This product is not designed protection against radioactive rays . www.rohm.com TSZ02201-0RBR0A300100-1-2 2012 ROHM Co., Ltd. All rights reserved. 1/34 TSZ2211114 001 2013.04.04 Rev.001DatasheetDatasheet BUxxSA4 series Pin Configuration 1Pin Mark 12 A B Top View (Mark Side) B A 12 Bottom View Pin Description Pin No. Symbol Function A1 GND GND Pin Output Control Pin A2 STBY (High:ON, Low:OFF) B1 VOUT Output Pin B2 VIN Input Pin Block Diagram VIN VIN 1 VREF VOUT VOUT Cin 5 2 OCP GND Cout TSD 4 VSTBY N.C. STBY STBY Cin(min)=0.47F (Ceramic) 3 Cout(min)=0.47F (Ceramic) Figure 2. Block diagram www.rohm.com TSZ02201-0RBR0A300100-1-2 2012 ROHM Co., Ltd. All rights reserved. 2/34 TSZ2211115 001 2013.04.04 Rev.001