Key Specifications:  CCFL Controllers

Part Number

Features

VIN (V)

VIN (V)

Topology

Channels

Dimming Interface

Freq.

EV Kit

Package/Pins

Smallest Available Pckg. (mm2)

Oper. Temp. (°C)

Price

min

max

max w/pins

See Notes

DS3988

All N-FET Drive Lamp Fault Output Master-Slave Function Synchonizable User EEPROM

4.5

5.5

Push-Pull

8

Analog DPWM I2C SMBus

Fixed PWM

No

TQFP/48

85

-40 to +85

$2.72 @1k

See All CCFL Controllers (17)

Diagram

Typical Operating Circuit

Application Notes

Application Note 3375: DS3984/DS3988 Transformer Turns Ratio Selection - DS3988 Application Note 3513: Design Challenges for Backlighting LCD TVs - DS3988 Application Note 3528: CCFL Characteristics - DS3988 Application Note 3614: Staggering the Burst Dimmer on CCFL Displays - DS3988 Application Note 3615: DS3984/DS3988 Multiple Lamp Drive Scheme - DS3988 Application Note 3695: DS3984/DS3988 Common Lamp Return - DS3988 Application Note 3835: CCFL Push-Pull Snubber Circuit - DS3988 Application Note 4135: Implementing Analog Dimming on the DS39xx CCFL Controllers - DS3988 Application Note 4190: Enhancing the Gate-Drive Capacity of the DS39xx CCFL Controllers - DS3988

Design Guides

Displays (PDF)

Reliability Reports

Reliability Report: DS3988.pdf

Software/Models

none

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-4 of 4

DS3988	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS3988T		N/A	No Longer Available	DS3994Z+	TQFP;48 pin;85 mm² Outline Drawing: 21-0054 (PDF) Land Pattern: 90-0093 (PDF) Use pkgcode/variation: C48-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS3988T+T&R			Active		TQFP;48 pin;85 mm² Outline Drawing: 21-0054 (PDF) Land Pattern: 90-0093 (PDF) Use pkgcode/variation: C48+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS3988T/T&R		N/A	No Longer Available	DS3994Z+	TQFP;48 pin;85 mm² Outline Drawing: 21-0054 (PDF) Land Pattern: 90-0093 (PDF) Use pkgcode/variation: C48-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS3988T+		N/A	No Longer Available	DS3994Z+	TQFP;48 pin;85 mm² Outline Drawing: 21-0054 (PDF) Land Pattern: 90-0093 (PDF) Use pkgcode/variation: C48+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis

More Information

New Product Press Release 2005-10-13

Related Products

DS3984 4-Channel Cold-Cathode Fluorescent Lamp Controller More Like This: View Product Families for Similar Products See All CCFL Controllers (18 Products)

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More Information

Description   Key Features   Applications/Uses   Key Specifications   Diagram

Data Sheet   Application Notes   Design Guides   Engineering Journals   Reliability Reports   Software/Models   Evaluation Kits

Price and Availability   Samples   Buy Online   Package Information   Lead-Free Information

Related Products   Notes and Comments   Evaluation Kits

2006-02-27
This page last modified: 2007-01-08