DS3991VT datasheet(5/16 Pages) MAXIM

Part #	DS3991VT

Description	Low-Cost CCFL Controller

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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Low-Cost CCFL Controller

_______________________________________________________________________________________

5

HALF-BRIDGE NORMAL OPERATION,

20

μs

DS3991 toc10

20

μs

5.0V

20

μs

5.0V

GA

GB

LCM

20

μs

2.0V

OVD

20

μs

2.0V

HALF-BRIDGE SOFT-START

AT VINV = 12.5V

DS3991 toc11

50

μs

5.0V

50

μs

5.0V

GA

GB

LCM

50

μs

2.0V

OVD

50

μs

2.0V

HALF-BRIDGE LAMP STRIKE,

EXPANDED VIEW

DS3991 toc12

0.5ms

5.0V

0.5ms

5.0V

GA

GB

LCM

0.5ms

2.0V

OVD

0.5ms

2.0V

HALF-BRIDGE BURST DIMMING

AT 166Hz, 10%

DS3991 toc13

1ms

5.0V

1ms

5.0V

GA

GB

LCM

1ms

2.0V

OVD

1ms

2.0V

HALF-BRIDGE BURST DIMMING

AT 166Hz, 50%

DS3991 toc14

1ms

5.0V

1ms

5.0V

GA

GB

LCM

1ms

2.0V

OVD

1ms

2.0V

Typical Operating Characteristics (continued)

(VCC = 5.0V, TA = +25°C, single-lamp configuration, unless otherwise noted.)

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DS3991VT Datasheet(PDF) 5 Page - Maxim Integrated Products

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