BD3531F-E1 datasheet, PDF - EEWORLD Datasheet

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BD3531F-E1: DescriptionRegulator, 1 Output, CMOS, PDSO8,; CategoryPower/power management The power supply circuit; File Size181KB，2 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/; Environmental Compliance

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BD3531F-E1 Overview

Regulator, 1 Output, CMOS, PDSO8,

BD3531F-E1 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
package instruction	SOP, SOP8,.25
Reach Compliance Code	compliant
Adjustability	ADJUSTABLE
JESD-30 code	R-PDSO-G8
Output times	1
Number of terminals	8
Maximum operating temperature	100 °C
Minimum operating temperature	-10 °C
Maximum output current 1	1.5 A
Maximum output voltage 1	1.25 V
Minimum output voltage 1	0.75 V
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
method of packing	TAPE AND REEL
Certification status	Not Qualified
surface mount	YES
technology	CMOS
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Base Number Matches	1

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DDR-SDRAM T

ermination Regulator

BD3531F

●Dimension

(Unit : mm)

●Description

BD3531F is a regulator developed as termination

power supply of standard DDR-SDRAM that is

used for PC.

Industry's highest speed of transient response

characteristic is realized. The built-in FET can sink

and source load current of 1.5A(max.)

Waveform quality when data is transferred at high

speed can't be deteriorated.

BD3531F meets the bus line standards SSTL-2 of

DDR-SDRAM.

High-reliability can be realized for any applications

using DDR-SDRAM.

●Features

1)

2)

3)

4)

5)

6)

Built-in push-pull regulator for termination(VTT)

Built-in reference voltage circuit(VREF)

Built-in enable function

Built-in under voltage lock out circuit

Package SOP8

Built-in thermal shut down circuit

5.0±0.2

8

5

6.2±0.3

4.4±0.2

1

4

0.15±0.1

0.1

1.5±0.1

0.11

1.27

0.4±0.1

SOP8

●Applications

Note personal computer, Desktop personal computer

●Absolute

Maximum Ratings（Ta=25˚C）

Parameter

Input voltage

Termination input voltage

VDDQ reference voltage

Power dissipation 1

Power dissipation 2

Operating temperature range

Storage temperature range

Symbol

VCC

VTT_IN

VDDQ

Pd1

Pd 2

Topr

Tstg

-10

Limits

7

560

690

∼

＊1

＊2

＊3

Unit

V

mW

+

100

-55

∼

+

150

˚C

＊1

Should not exceed Pd.

＊2

Reduced by 4.48mW for each increase in Ta of 1˚C over 25˚C(With no heat sink).

＊3

Reduced by 5.52mW for each increase in Ta of 1˚C over 25˚C(PCB(70mm×70mm×1.6mm)glass epoxy mounting.)

0.3Min.

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