BD9107FVM-TR ROHM

Datasheet Synchronous Buck Converter with Integrated FET BD9106FVM BD9107FVM BD9109FVM BD9110NV BD9120HFN General Description Key Specifications The BD9106FVM, BD9107FVM, BD9109FVM, Input Voltage Range BD9110NV, and BD9120HFN are ROHMs high BD9120HFN: 2.7V to 4.5V efficiency step-down switching regulators designed to BD9106FVM, BD9107FVM: 4.0V to 5.5V produce a voltage as low as 1V from a supply voltage of BD9109FVM, BD9110NV: 4.5V to 5.5V 3.3V or 5.0V. It offers high efficiency by using Output Voltage Range synchronous switches and provides fast transient BD9109FVM: 3.30V 2% response to sudden load changes by implementing BD9120HFN: 1.0V to 1.5V current mode control. BD9107FVM: 1.0V to 1.8V BD9106FVM, BD9110NV: 1.0V to 2.5V Output Current Features BD9106FVM, BD9109FVM, Fast Transient Response because of Current Mode BD9120HFN: 0.8A(Max) Control System BD9107FVM: 1.2A(Max) High Efficiency for All Load Ranges because of BD9110NV: 2.0A(Max) Synchronous Switches (Nch and Pch FET) and TM Switching Frequency: 1MHz(Typ) SLLM (Simple Light Load Mode) FET ON-Resistance Soft-Start Function Pch(Typ) / Nch(Typ) Thermal Shutdown and ULVO Functions BD9110NV: 200m / 150m Short-Circuit Protection with Time Delay Function BD9106FVM, BD9107FVM: 350m / 250m Shutdown Function BD9120HFN, BD9109FVM: 350m / 250m Standby Current: 0A(Typ) Application Operating Temperature Range Power Supply for LSI including DSP, Microcomputer BD9110NV: -25C to +105C and ASIC BD9120HFN, BD9106FVM: -25C to +85C BD9107FVM, BD9109FVM: -25C to +85C Packages W(Typ) x D(Typ) x H(Max) Typical Application Circuit C L IN VCC VCC,PVCC EN SW VOUT VOUT C O R 2 HSON8 MSOP8 2.90mm x 3.00mm x 0.60mm 2.90mm x 4.00mm x 0.90mm ITH GND,PGND R1 R ITH CITH Figure 1. Typical Application Circuit SON008V5060 5.00mm x 6.00mm x 1.00mm Product structure : Silicon integrated circuit This product has no designed protection against radioactive rays. www.rohm.com TSZ02201-0J3J0AJ00090-1-2 2012 ROHM Co., Ltd. All rights reserved. 1/46 T SZ22111 14 001 03.Apr.2019 Rev.004 Datasheet BD9106FVM BD9107FVM BD9109FVM BD9110NV BD9120HFN Pin Configuration (Top View) (Top View) 1 ADJ VCC 8 VOUT VCC 1 8 ITH 2 2 ITH PVCC 7 PVCC 7 3 EN SW 6 EN SW 3 6 GND PGND 4 5 4 GND PGND 5 Figure 3. BD9109FVM Figure 2. BD9106FVM, BD9107FVM (Top View) (Top View) 1 ADJ 1 ADJ VCC 8 8 EN 2 PVCC 7 ITH VCC 2 7 PVCC 3 EN 6 SW 4 GND PGND 5 ITH 3 6 SW GND 4 5 PGND Figure 5. BD9120HFN Figure 4. BD9110NV Pin Description BD9106FVM, BD9107FVM, BD9109FVM Pin No. Pin Name Function 1 ADJ/VOUT Output voltage detection pin / ADJ for BD9106FVMBD9107FVM 2 ITH GmAmp output pin/connected to phase compensation capacitor 3 EN Enable pin(active high) 4 GND Ground pin 5 PGND Power switch ground pin 6 SW Power switch node 7 PVCC Power switch supply pin 8 VCC Power supply input pin BD9110NV Pin No. Pin Name Function 1 ADJ Output voltage detection pin 2 VCC Power supply input pin 3 ITH GmAmp output pin/connected to phase compensation capacitor 4 GND Ground pin 5 PGND Power switch ground pin 6 SW Power switch node 7 PVCC Power switch supply pin 8 EN Enable pin(active high) BD9120HFN Pin No. Pin Name Function 1 ADJ Output voltage detection pin 2 ITH GmAmp output pin/connected to phase compensation capacitor 3 EN Enable pin(active high) 4 GND Ground pin 5 PGND Power switch ground pin 6 SW Power switch node 7 PVCC Power switch supply pin 8 VCC Power supply input pin www.rohm.com TSZ02201-0J3J0AJ00090-1-2 2012 ROHM Co., Ltd. All rights reserved. 2/46 TSZ22111 15 001 03.Apr.2019 Rev.004