BL9328 datasheet(2/10 Pages) BELLING

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PPMIC BU

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BL9328 Rev 0.3

Belling Proprietary Information. Unauthorized Photocopy and Duplication Prohibited

6/2010

BL9328

1.5 MHz, Dual 800mA Synchronous Buck Converter

Absolute Maximum Rating (Note1)

Input Supply Voltage(IN1,IN2)………-0.3V to +6V

EN1,EN2,VFB1,VFB2 Voltages………-0.3V to +VIN

SW1,SW2 Voltages……………-0.3V to (VIN+0.3V)

P-Channel Switch Source Current (DC) ………1A

N-Channel Switch Sink Current (DC) …………1A

Peak SW Sink and Source Current……………1.4A

Operating Temperature Range……-40°C to +85°C

Junction Temperature

(Note2) ………………+125°C

Storage Temperature Range………-65°C to +150°C

Lead Temperature (Soldering, 10s) ………+300°C

Package Information

Year

2009

2010

2011

2012

2013

W W

…

Week

…

Thermal Resistance (Note 4)

Package

ӨJA

ӨJC

ESOP-8

°C/W

10°C/W

Note 1:

Absolute Maximum Ratings are those values beyond which the life of a device may be impaired.

Note 2:

TJ is calculated from the ambient temperature TA and power dissipation PD according to the following formula:

TJ = TA + (PD) x (50°C/W).

Note 3:

A B: Package Type (A: ESOP-8-A, B: ESOP-8-B) Y: Year of wafer manufacturing W W: Week of wafer

manufacturing

Note 4:

Thermal Resistance is specified with approximately 1 square of 1 oz copper.

ESOP-8-A

IN1

SW1

IN2

FB1

GND

SW2

7 EN1

6 FB2

EN2

Part Number

Top Mark

Temp Range

BL9328

A Y W W

(Note3)

-40°C to +85°C

ESOP-8-B

IN1

SW1

IN2

EN1

GND

SW2

7 FB1

EN2

FB2

Part Number

Top Mark

Temp Range

BL9328

B Y W W

(Note3)

-40°C to +85°C

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