BD19915MUV Datasheet | ROHM

1/4 Structure Product name Model name Function 特 長 Silicon monolithic IC System power LSI for Blu-ray/DVD (1) Built-in 3.3V output synchronized rectifier type Step-down DC-to-DC converter (2) Built-in 1.0V/1.5V output selectable rectifier type Step-down DC-to-DC converter (3) Built-in synchronized rectifier type Step-up DC-to-DC converter 特 長 (4) Built-in Over-current and short-circuit protection function circuit 特 長 (5) Built-in Error-Amplifier phase pensation (Step-down only) 特 長 (6) Operational frequency Step-down : 2.0MHz(typ.), Step-up : 1.0MHz(typ.) 特 長 (7) Built-in Reset function circuit and Current Switch 特 長 (8) Built-in Shut down function circuit ○Absolute maximum ratings (Ta=25℃) Parameter Symbol Rating -0.3～6.5 -0.3～6.5 -0.3～6.5 -0.3～15.0 -0.3～15.0 -0.3～VCC+0.3 1.0 1.0 0.8 0.8 0.2 10 4.56 -30～+70 -55～+150 Unit V V V V V V A A A A A m A W ℃ ℃ PVCC1 terminal voltage PVCC1 PVCC2 terminal voltage PVCC2 AVCC terminal voltage AVCC DCSW3 terminal voltage VDCSW3 VDCO3 terminal voltage VVDCO3 Input terminal voltage (- 1) VIN DCSW1 terminal output current (- 2) IDCSW1 DCSW2 terminal output current (- 2) IDCSW2 DCSW3 terminal output current (- 2) IDCSW3 VDCO3 terminal output current (- 2) IVDCO3 CSWO terminal output current ICSWO XRESET terminal input current IXRESET Power dissipation (- 3) Pd Ambient temperature of operation Topr Ambient temperature of preservation Tstg (- 1) SELDCO1, SELSQ, CSWON, ENUP, XENDWN, SELRST (- 2) Absolute maximum ratings of this parameter include ripple current (- 3) While mounted on FR4 Glass-epo. 4 layer Board (5505mm2) ○Operation condition(Ta=25℃) Parameter PVCC1 terminal voltage PVCC2 terminal voltage AVCC terminal voltage VDCO1 output current VDCO2 output current VDCO3 output current VDCO3 output voltage setting range CSWO output current This product is no antiradiation design . Symbol PVCC1 PVCC2 AVCC IDCO1 IDCO2 IDCO3 VDCO3 ICSWO MIN. 4.5 4.5 4.5 6.0 - TYP. 5.0 5.0 5.0 - MAX. 5.5 5.5 5.5 0.8 0.8 0.15 11.0 0.1 Unit. V...