BD9775FV – High-efficiency Switching Regulators

BD9775FV Information is available here.

Part Number : BD9775FV

Function : This is a kind of semiconductor, High-efficiency Switching Regulators.

Pinouts :

Package :

Manufacturer : Rohm

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BD9775FV data sheet

Some text files in PDF file :

TECHNICAL NOTE Large Current External FET Controller Type Switching Regulator Step-down, High-efficiency Switching Regulators (Controller type) BD9011EKN , BD9011KV , BD9775FV ■ BD901 1EKN, BD9011KV ●Overview The BD9011EKN/KV is a 2-ch synchronous controller with rectification switching for enhanced power management efficiency. It supports a wide input range, enabling low power consumption ecodesign for an array of electronics. ●

Features

1) Wide input voltage range: 3.9V to 30V 2) Precision voltage references: 0.8V±1% 3) FET direct drive 4) Rectification switching for increased efficiency 5) Variable frequency: 250k to 550kHz (external synchronization to 550kHz) 6) Built-in selected OFF latch and auto remove over current protection 7) Built-in independent power up/power down sequencing control 8) Make various application , step-down , step-up and step-up-down 9) Small footprint packages: HQFN36V, VQFP48C ●Applications Car audio and navigation systems, CRTTV,LCDTV,PDPTV,STB,DVD,and PC systems,portable CD and DVD players, etc. ●Absolute Maximum Ratings (Ta=25℃) Parameter S EXTVCC Voltage VCCCL1,2 Voltage CL1,2 Voltage SW1,2 Voltage BOOT1,2 Voltage BOOT1,2-SW1,2 Voltage STB, EN1,2 Voltage VREG5,5A VREG33 VREG SS1,2、FB1,2 ymbol EXTVCC VCCCL1,2 CL1,2 SW1,2 BOOT1,2 BOOT1,2-SW1,2 7 STB, EN1,2 VREG5,5A 7 33 SS1,2、FB1,2 Rating 34 34 *1 *1 Unit Parameter S COMP1,2 Voltage ymbol COMP1,2 DET1,2 RT、SYNC Rating Unit V V V V V DET1,2 Voltage RT、SYNC Voltage VREG5 V 34 34 40 *1 *1 0.875 (HQFN36V) Power Dissipation Pd 1.1 (VQFP48C) *2 *2 W *1 V V V W VCC VREG5 VREG5 V V Operating temperature Storage temperature Junction temperature Topr Tstg Tj +150 -40 to +105 -55 to +150 ℃ ℃ ℃ *1 Regardless of the listed rating, do not exceed Pd in any circumstances. *2 Mounted on a 70mm x 70mm x 0.8mm glass-epoxy board. De-rated at 7.44mW/℃(HQFN36V) or 8.8mW/℃(VQFP48C) above 25℃. Sep. 2008 http://www.Datasheet4 [ … ]

BD9775FV PDF File


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