DC510A datasheet, PDF - EEWORLD Datasheet

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DC510A: Descriptionboard eval for ltc1697ems; CategoryDevelopment board/suite/development tools; File Size329KB，3 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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board eval for ltc1697ems

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QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 510

1WATT CCFL POWER SUPPLY

LTC1697

DESCRIPTION

Demonstration Circuit 510 is a 1Watt single output

CCFL inverter with internal PWM dimming and bot-

tom bulb sense feedback features. The Demo Board

consists of a LTC1697 CCFL Controller and a Royer

converter that uses bipolar transistors. The LTC1697

also features internal CCFL short circuit and over-

voltage protection. The maximum lamp current is set

by a single resistor while a 1V –2V Dimming input

allows the user to set the desired lamp current any-

where between 0 and the maximum CCFL current set

by R5.

Using the LTC1697 with the Royer topology results in

a particularly low component count design. Target

applications for this Demo Board are PDAs such as

Handheld Computers, Handheld GPSs with Map Dis-

plays, and Handheld TV\Video Monitors.

DC510 is designed to operate off a single Li-Ion cell

for a Vin range of 2.7V – 5.5V and outputs 100s of

volts at milliAmp current levels.

Design files for this circuit board are available. Call

the LTC factory.

QUICK START PROCEDURE

DC510 is easy to set up to evaluate the performance

of the LTC1697. Refer to Figure 1 for proper meas-

urement equipment setup and follow the procedure

below:

Connect the LCD\CCFL across the E1 & E2 termi-

Ground the LCD Casing through the DC510 GND

terminal.

Apply 2.7V – 5.5V across the VIN & GND termi-

nals.

Apply 1.0V – 2.0V across the VDIM & GND termi-

nals. Connect the positive CCFL wire to E2 and the

negative wire of the LCD to E1.

Warning:

There may be 100s of volts across the E1

& E2 terminals, across the capacitor C1, and on the

secondary side of the transformer T1 that can be

harmful if the user accidentally or otherwise

touches these points.

nals, measuring the CCFL current for the desired

output CCFL current.

Figure 1. Proper Measurement Equipment Setup

DC510A Related Products

	DC510A	LTC1697EMS#TR	LTC1697EMS#PBF	LTC1697EMS#TRPBF
Description	board eval for ltc1697ems	IC reg SW 1W ccfl low pwr 10msop	IC REG SW 1W CCFL LOW PWR 10MSOP	IC REG SW 1W CCFL LOW PWR 10MSOP
Brand Name	-	Linear Technology	Linear Technology	Linear Technology
Is it Rohs certified?	-	incompatible	conform to	conform to
Parts packaging code	-	MSOP	MSOP	MSOP
package instruction	-	TSSOP,	TSSOP,	TSSOP,
Contacts	-	10	10	10
Manufacturer packaging code	-	MS	MS	MS
Reach Compliance Code	-	_compli	compliant	compliant
ECCN code	-	EAR99	EAR99	EAR99
Interface integrated circuit type	-	VACUUM FLUORESCENT DISPLAY DRIVER	VACUUM FLUORESCENT DISPLAY DRIVER	VACUUM FLUORESCENT DISPLAY DRIVER
JESD-30 code	-	S-PDSO-G10	S-PDSO-G10	S-PDSO-G10
JESD-609 code	-	e0	e3	e3
length	-	3 mm	3 mm	3 mm
Humidity sensitivity level	-	1	1	1
Multiplex display function	-	NO	NO	NO
Number of functions	-	1	1	1
Number of segments	-	1	1	1
Number of terminals	-	10	10	10
Maximum operating temperature	-	85 °C	85 °C	85 °C
Minimum operating temperature	-	-40 °C	-40 °C	-40 °C
Package body material	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	TSSOP	TSSOP	TSSOP
Package shape	-	SQUARE	SQUARE	SQUARE
Package form	-	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	-	235	260	260
Certification status	-	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	-	1.1 mm	1.1 mm	1.1 mm
Maximum supply voltage	-	5.5 V	5.5 V	5.5 V
Minimum supply voltage	-	2.8 V	2.8 V	2.8 V
Nominal supply voltage	-	4 V	4 V	4 V
surface mount	-	YES	YES	YES
Temperature level	-	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal surface	-	Tin/Lead (Sn/Pb)	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	-	GULL WING	GULL WING	GULL WING
Terminal pitch	-	0.5 mm	0.5 mm	0.5 mm
Terminal location	-	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	-	20	30	30
width	-	3 mm	3 mm	3 mm
Base Number Matches	-	1	1	1

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