BD8962MUV-E2 ROHM

Datasheet 2.7V to 5.5V , 3A 1ch Synchronous Buck Converter with Integrated FET BD8962MUV General Description Key Specifications The BD8962MUV is ROHM s high efficiency step-down Input Voltage Range: 2.7V to 5.5V switching regulator designed to produce a voltage as Output Voltage Range: 0.8V to 2.5V low as 0.8V from a supply voltage of 5.5V/3.3V. It offers Average Output Current: 3.0A(Max) high efficiency by using synchronous switches and Switching Frequency: 1MHz(Typ) provides fast transient response to sudden load High Side FET ON-Resistance: 82m(Typ) changes by implementing current mode control. Low Side FET ON-Resistance: 70m(Typ) Standby Current: 0A(Typ) Operating Temperature Range: -40C to +105C Features Fast Transient Response because of Current Mode Control System Packages W(Typ) x D(Typ) x H(Max) High Efficiency for all Load Ranges because of Synchronous Switches Soft-Start Function Thermal Shutdown and UVLO Functions Short Circuit Protection with Time Delay Function Shutdown Function Applications Power Supply for LSI including DSP, Microcomputer and ASIC VQFN020V4040 4.00mm x 4.00mm x 1.00mm Typical Application Circuit C R 1 f V C CC IN PVCC VCC EN C BST ADJ L V ITH SW OUT GND, PGND R ITH C O C ITH R 2 R 1 Figure 1. Typical Application Circuit Product structure Silicon monolithic integrated circuit This product has no designed protection against radioactive rays www.rohm.com TSZ02201-0J3J0AJ00030-1-2 2012 ROHM Co., Ltd. All rights reserved. 1/22 TSZ22111 14 001 02.Oct.2014 Rev.002 Datasheet BD8962MUV Pin Configuration (TOP VIEW) N.C. ADJ ITH GND 15 14 13 12 11 16 N.C. 10 VCC 17 9 EN BST 18 8 PGND 19 7 PVCC 20 6 1 2 3 4 5 SW Figure 2. Pin Configuration Pin Description Pin Pin Pin Pin Function Function No. Name No. Name 1 SW Power switch node 11 GND Ground pin 2 SW Power switch node 12 ADJ Output voltage detection pin GmAmp output pin/Connected to phase 3 SW Power switch node 13 ITH compensation capacitor 4 SW Power switch node 14 N.C. No connection 5 SW Power switch node 15 N.C. No connection 6 PVCC Power switch supply pin 16 N.C. No connection 7 PVCC Power switch supply pin 17 EN Enable pin(Active High 8 PVCC Power switch supply pin 18 PGND Power switch ground pin 9 BST Bootstrapped voltage input pin 19 PGND Power switch ground pin 10 VCC Power supply input pin 20 PGND Power switch ground pin Block Diagram VCC PVCC PV CC VCC Figure 3. Block Diagram www.rohm.com TSZ02201-0J3J0AJ00030-1-2 2012 ROHM Co., Ltd. All rights reserved. 2/22 TSZ22111 15 001 02.Oct.2014 Rev.002