BD3533EKN datasheet, PDF - EEWORLD Datasheet

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BD3533EKN: DescriptionTermination Regulators for DDR-SDRAMs; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size679KB，17 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/; Environmental Compliance

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BD3533EKN Overview

Termination Regulators for DDR-SDRAMs

BD3533EKN Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	ROHM Semiconductor
Parts packaging code	QFN
package instruction	ROHS COMPLIANT, HQFN-20
Contacts	20
Reach Compliance Code	compli
ECCN code	EAR99
Differential output	NO
Interface integrated circuit type	OTHER TERMINATOR
JESD-30 code	S-XQCC-N20
JESD-609 code	e3/e2
length	4.2 mm
Number of functions	1
Number of terminals	20
Maximum operating temperature	100 °C
Minimum operating temperature	-20 °C
Package body material	UNSPECIFIED
encapsulated code	HVQCCN
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	0.95 mm
Maximum supply voltage	5.5 V
Minimum supply voltage	2.7 V
Nominal supply voltage	3.3 V
surface mount	YES
Temperature level	OTHER
Terminal surface	TIN/TIN COPPER
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	10
width	4.2 mm

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TECHNICAL NOTE

High-performance Regulator IC Series for PCs

Termination Regulators

for DDR-SDRAMs

BD3533F/FVM/EKN(1A),BD3531F(1.5A),BD3532F/EFV/KN(3A)

Description

BD3533/31/32 is a termination regulator compatible with JEDEC DDR-SDRAM, which functions as a linear power supply

incorporating an N-channel MOSFET and provides a sink/source current capability up to 1A, 1.5A, and 3A respectively. A

built-in high-speed OP-AMP specially designed offers an excellent transient response. Requires 3.3 volts or 5.0 volts as a

bias power supply to drive the N-channel MOSFET. Has an independent reference voltage input pin (VDDQ) and an

independent feedback pin (VTTS) to maintain the accuracy in voltage required by JEDEC, and offers an excellent output

voltage accuracy and load regulation. Also has a reference power supply output pin (VREF) for DDR-SDRAM or a

memory controller. When EN pin turns to “Low”, VTT output becomes “Hi-Z” while VREF output is kept unchanged,

compatible with “Self Refresh” state of DDR-SDRAM.

Features

1) Incorporates a push-pull power supply for termination (VTT)

2) Incorporates a reference voltage circuit (VREF)

3) Incorporates an enabler

4) Incorporates an undervoltage lockout (UVLO)

5). Employs SOP8 package

6) Employs MSOP8 package

7) Employs HQFN20V package

8) Employs HTSSOP-B20 package

9) Employs VQFN28V package

10) Incorporates a thermal shutdown protector (TSD)

11) Operates with input voltage from 2.7 to 5.5 volts

12) Compatible with Dual Channel (DDR-II)

Use

Power supply for DDR I/II - SDRAM

●Line

Parameter

Output Current

Vcc Range

Soft Start Function

Temperature

Package

BD3533F/FVM/EKN

±1.0A

2.7V½5.5V

○

-20½100℃

SOP8/MSOP8/HQFN20V

BD3531F

±1.5A

4.5V½5.5V

-10½100℃

SOP8

BD3532F/EFV/KN

±3Ａ

4.3½5.5V

○

-40½100℃

SOP8/HTSSOP-B20/VQFN28

Oct. 2008

BD3533EKN Related Products

	BD3533EKN	BD3532EFV	BD3532KN	BD3531F	KBU1007	BD3532F	KX2011D7032.768000	BD3533F_08
Description	Termination Regulators for DDR-SDRAMs	Termination Regulators for DDR-SDRAMs	Termination Regulators for DDR-SDRAMs	Termination Regulators for DDR-SDRAMs	SINGLE PHASE 10.0 AMP BRIDGE RECTIFIERS	Termination Regulators for DDR-SDRAMs	CMOS 32.768kHz	Termination Regulators for DDR-SDRAMs
Is it lead-free?	Lead free	Lead free	Lead free	Lead free	-	Lead free	-	-
Is it Rohs certified?	conform to	conform to	conform to	conform to	-	conform to	-	-
Parts packaging code	QFN	TSSOP	QFN	SOIC	-	SOIC	-	-
package instruction	ROHS COMPLIANT, HQFN-20	VSSOP,	VQCCN,	SOP,	-	SOP,	-	-
Contacts	20	20	28	8	-	8	-	-
Reach Compliance Code	compli	compli	compli	compli	-	compli	-	-
ECCN code	EAR99	EAR99	EAR99	EAR99	-	EAR99	-	-
Differential output	NO	NO	NO	NO	-	NO	-	-
Interface integrated circuit type	OTHER TERMINATOR	OTHER TERMINATOR	OTHER TERMINATOR	BUS TERMINATOR SUPPORT CIRCUIT	-	BUS TERMINATOR SUPPORT CIRCUIT	-	-
JESD-30 code	S-XQCC-N20	R-PDSO-G20	S-XQCC-N28	R-PDSO-G8	-	R-PDSO-G8	-	-
JESD-609 code	e3/e2	e3/e2	e3/e2	e2	-	e2	-	-
length	4.2 mm	6.5 mm	5.2 mm	5 mm	-	5 mm	-	-
Number of functions	1	1	1	1	-	1	-	-
Number of terminals	20	20	28	8	-	8	-	-
Maximum operating temperature	100 °C	100 °C	100 °C	100 °C	-	100 °C	-	-
Minimum operating temperature	-20 °C	-40 °C	-40 °C	-10 °C	-	-40 °C	-	-
Package body material	UNSPECIFIED	PLASTIC/EPOXY	UNSPECIFIED	PLASTIC/EPOXY	-	PLASTIC/EPOXY	-	-
encapsulated code	HVQCCN	VSSOP	VQCCN	SOP	-	SOP	-	-
Package shape	SQUARE	RECTANGULAR	SQUARE	RECTANGULAR	-	RECTANGULAR	-	-
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH	CHIP CARRIER, VERY THIN PROFILE	SMALL OUTLINE	-	SMALL OUTLINE	-	-
Peak Reflow Temperature (Celsius)	260	260	260	260	-	260	-	-
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	-	Not Qualified	-	-
Maximum seat height	0.95 mm	1 mm	0.95 mm	1.71 mm	-	1.71 mm	-	-
Maximum supply voltage	5.5 V	5.5 V	5.5 V	5.5 V	-	5.5 V	-	-
Minimum supply voltage	2.7 V	4.3 V	4.3 V	4.5 V	-	4.3 V	-	-
Nominal supply voltage	3.3 V	5 V	5 V	5 V	-	5 V	-	-
surface mount	YES	YES	YES	YES	-	YES	-	-
Temperature level	OTHER	INDUSTRIAL	INDUSTRIAL	OTHER	-	INDUSTRIAL	-	-
Terminal surface	TIN/TIN COPPER	TIN/TIN COPPER	TIN/TIN COPPER	Tin/Copper (Sn/Cu)	-	TIN COPPER	-	-
Terminal form	NO LEAD	GULL WING	NO LEAD	GULL WING	-	GULL WING	-	-
Terminal pitch	0.5 mm	0.65 mm	0.5 mm	1.27 mm	-	1.27 mm	-	-
Terminal location	QUAD	DUAL	QUAD	DUAL	-	DUAL	-	-
Maximum time at peak reflow temperature	10	10	10	10	-	10	-	-
width	4.2 mm	4.4 mm	5.2 mm	4.4 mm	-	4.4 mm	-	-

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