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BD9575FV-E2 Datasheet(PDF) 1 Page - Rohm |
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BD9575FV-E2 Datasheet(HTML) 1 Page - Rohm |
1 / 21 page 1/20 www.rohm.com 2009.04 - Rev.B © 2009 ROHM Co., Ltd. All rights reserved. Hi-performance Regulator IC Series for PCs Switching Regulators for DDR-SDRAM Cores BD9575FV ● Description BD9575FV is a switching regulator controller with high output current which can achieve low output voltage (0.7V to 2.0V) from a wide input voltage range (4.5V to 28V). High efficiency for the switching regulator can be realized by utilizing an external N-MOSFET power transistor. A new technology called H3Reg TM is a Rohm proprietary control method to realize ultra high transient response against load change. SLLM (Simple Light Load Mode) technology is also integrated to improve efficiency in light load mode, providing high efficiency over a wide load range. For protection and ease of use, the soft start function, variable frequency function, short circuit protection function with timer latch, over voltage protection function and REF synchronous function are all built in. This switching regulator is specially designed for the DDR-SDRAM core. ● Features 1) H 3RegTM Switching Regulator Controller 2) Light Load Mode and Continuous Mode Changeable 3) Thermal Shut Down (TSD), Under Voltage LockOut (UVLO), Over Current Protection (OCP), Over Voltage Protection (OVP), Short Circuit Protection (SCP) built-in 4) Soft start function to minimize rush current during startup 5) Switching Frequency Variable (f=200KHz~600KHz) 6) SSOP-B20 Package ● Applications Laptop PC, Desktop PC, LCD-TV, Digital Components ● Maximum Absolute Ratings (Ta=25℃) Parameter Symbol Limit Unit Input Voltage 1 VCC 7* 1 V Input Voltage 2 VDD 7* 1 V Input Voltage 3 VIN 30* 1 V BOOT Voltage BOOT 35* 1 V BOOT-SW Voltage BOOT-SW 7* 1 V HG-SW Voltage HG-SW 7* 1 V LG Voltage LG VDD V REF Voltage REF VCC V Output Voltage VOUT/Is+/Is- VCC V ILIM/SCP/SS/FS/SLLM Voltage ILIM/SCP/SS/FS/SLLM VCC V VREG Voltage VREG VCC V EN Input Voltage EN 7* 1 V Power Dissipation 1 Pd1 0.5* 2 W Power Dissipation 2 Pd2 0.81* 3 W Operating Temperature Range Topr -20~+100 ℃ Storage Temperature Range Tstg -55~+150 ℃ Maximum Junction Temperature Tjmax +150 ℃ *1 Not to exceed Pd. *2 Reduced by 4mW for each increase in Ta of 1℃ over 25℃. IC only. *3 Reduced by 6.5mW for increase in Ta of 1℃ over 25℃. (when mounted on a board 70.0mm×70mm×1.6mm Glass-epoxy PCB, 1 layer) No.09030EBT11 |
Similar Part No. - BD9575FV-E2 |
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Similar Description - BD9575FV-E2 |
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