bd9017kv ROHM Co. Ltd., bd9017kv Datasheet

bd9017kv

Manufacturer Part Number

bd9017kv

Description

Step-down,high-efficiency Switching Regulator Controller Type

Manufacturer

ROHM Co. Ltd.

Datasheet

1.BD9017KV.pdf (18 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

bd9017kv-E2

Manufacturer:

ROHM/罗姆

Quantity:

20 000

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Download datasheet (505Kb)

Large Current External FET Controller Type Switching Regulators

Step-down,High-efficiency

Switching Regulator (Controller type)

●Overview

●Features

●Applications

●Absolute Maximum Ratings (Ta=25℃)

○

www.rohm.com

BD9017KV

The BD9017KV is a 2-ch synchronous controller with rectification switching for enhanced power management efficiency.

It supports a wide input range and leads to eco-design (low power consumption) for various electronics.

Car audio and navigation systems, CRTTV,LCDTV,PDPTV,STB,DVD,and PC systems,portable CD and DVD players, etc.

10) When operating at Max Duty, the switching frequency slows down to 1/5 to reduce input/output difference.

*1 Regardless of the listed rating, do not exceed Pd in any circumstances.

*2 Mounted on a 70mm x 70mm x 1.6mm glass-epoxy board. Reduce by 8.8mW/℃ (VQFP48C) above 25℃.

VCC Voltage

EXTVCC Voltage

VCCCL1,2 Voltage

CL1,2 Voltage

SW1,2 Voltage

BOOT1,2 Voltage

BOOT1,2-SW1,2Voltage

EN1,2 Voltage

VREG5,5A

PGOOD Voltage

SS1,2 Voltage

FB1,2 Voltage

P1,2 Voltage

RT Voltage

SYNC Voltage

Power Dissipation

Operating temperature

Storage temperature

Junction temperature

1) Wide input voltage range: 3.9V～30V

2) Precision voltage references: 0.8V±1%

3) FET direct drive

4) Rectification switching for increased efficiency

5) Variable frequency: 250k～550kHz (external synchronization to 600kHz)

6) Built-in auto-recovery over-current protection

7) Separate enable-pins per CH for individual power up/down control

8) Supports various applications: step-down, step-up, and step-up-down

9) Small footprint packages: VQFP48C

Parameter

BOOT1,2-SW1,2

VREG5,5A

VCCCL1,2

COMP1,2

BOOT1,2

EXTVCC

PGOOD

Symbol

SW1,2

EN1,2

SYNC

CL1,2

SS1,2

FB1,2

VCC

Topr

Tstg

1/17

-55～+150

EXTVCC

-40～+85

VREG5

Rating

1.1

+150

2009.09 - Rev.C

No.09028ECT01

Unit

℃

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