CMOS LDO Regulators for Potable Equipments System Regulator with High Efficiency DC/DC Converters No.11020EAT08 BH6172GU Descriptions BH6172GU incorporates 1 DCDC+ 5 Linear LDO regulators. It is integrated in a small 2.6mm2.6mm size package, with 16 steps adjustable Vos for every channel, low voltage output (0.8V~) to support almost any kind of mobile application now available. Features 2 1) 1ch 500mA, high efficiency Step-down Converter. (16 steps adjustable VO by I C) 2 2) 5-channel CMOS-type LDOs. (16 steps adjustable VO by I C, 150mA3, 300mA 2) 3) Power ON/OFF control enabled by I2C interface or external pin 2 4) I C compatible Interface. (Device address is 1001111) 5) Wafer Level CSP package(2.6mm2.6mm) for space-constrained applications 6) Discharge resistance selectable for power-down sequence ramp speed control 7) Over-current protection in all LDO regulators 8) Over-current protection in Step-down Converter 9) Over-voltage protection in Step-down Converter 10) Thermal shutdown protection Applications Mobile phones, Portable game systems, Portable mp3 players, Portable DVD players, Portable TV, Portable GPS, PDA, Portable electronic dictionaries, etc. Absolute maximum ratings (Ta=25) Parameter Symbol Ratings Unit Maximum Supply Voltage (VBAT) VBATMAX 6.0 V Maximum Supply Voltage (PBAT) VPBATMAX 6.0 V Maximum Supply Voltage (VUSB) VUSBMAX 6.0 V Maximum Supply Voltage (DVDD) DVDDMAX 4.5 V Maximum Input Voltage 1 (LX, FB, OUT1, OUT2, OUT3, OUT4, OUT5, VINMAX1 VBAT + 0.3 V EN LD1, EN LD2, EN LD3, EN LD4) Maximum Input Voltage 2 VINMAX2 DVDD + 0.3 V (NRST, CLK, DATA) 1 Power Dissipation Pd 900* mW Operating Temperature Range Topr -35 +85 Storage Temperature Range Tstg -55 +125 * This is an allowable loss of the ROHM evaluation glass epoxy board(60mm 60mm16mm). To use at temperature higher than 25 , derate 9.0mW per 1. *1 Must not exceed Pd or ASO. www.rohm.com 2011.03 - Rev.A 1/16 2011 ROHM Co., Ltd. All rights reserved. Technical Note BH6172GU Recommended Operating Conditions (Ta=25) Parameter Symbol Ratings Unit 2 VBAT Voltage VBAT 2.20 5.50* V 2 PBAT Voltage VPBAT 2.20 5.50* V 2 3 VUSB Voltage VUSB 2.20 5.50* * V 4 DVDD Voltage VDVDD 1.70 4.20* V *2 Whenever the VBAT or PBAT or VUSB voltage is under the LDO, SWREG output voltage, or else under certain levels, the LDO and SWREG output is not guaranteed to meet its published specifications. *3 VUSB Power Supply can be externally connected to the VBAT, PBAT Power Supply when necessary. *4 The DVDD Voltage must be under the Battery Voltage VBAT, PBAT at any times. Electrical Characteristics (Unless otherwise specified, Ta=25 , VBAT=PBAT =3.6V, VUSB=5.0V) Limits Parameter Symbol Unit Condition Min. Typ. Max. Circuit Current VBAT Circuit Current 1 IQVB1 - 0.4 1 A LDO15=OFF (OFF) SWREG1=OFF NRST=L VUSB Circuit Current 1 IQUSB1 - 0 1 A DVDD=0V (OFF) LDO15=OFF SWREG1=OFF VBAT Circuit Current 2 IQVB2 - 0.4 1 A NRST=L (OFF) DVDD=0V VUSB=VBAT external connection VBAT Circuit Current 3 IQVB3 - 0.7 1.4 A LDO15=OFF (STANDBY) SWREG1=OFF NRST=H VUSB Circuit Current 2 IQUSB2 - 0 1 A DVDD=2.6V (STANDBY) LDO15=OFF SWREG1=OFF VBAT Circuit Current 4 IQVB4 - 0.7 1.4 A NRST=H (STANDBY) DVDD=2.6V VUSB=VBAT external connection VBAT Circuit Current 5 LDO15=ON(no load, initial voltage) IQVB5 - 170 300 A (Active) SWREG1=ON(no load, initial voltage) NRST=H VUSB Circuit Current 3 IQUSB3 - 35 70 A DVDD=2.6V (Active) LDO15=ON(no load, initial voltage) SWREG1=ON(no load, initial voltage) VBAT Circuit Current 6 IQVB6 - 200 350 A NRST=H (Active) DVDD=2.6V VUSB=VBAT external connection This product is not especially designed to be protected from radioactivity. www.rohm.com 2011.03 - Rev.A 2/16 2011 ROHM Co., Ltd. All rights reserved.