DS3994 Maxim Integrated Products, DS3994 Datasheet - Page 6

• Manufacturer Part Number: DS3994
• Description: 4-Channel Cold Cathode Fluorescent Lamp Controller
• Manufacturer: Maxim Integrated Products

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DataSheet
2.0V LCM
2.0V LCM
1.0V OVD
1.0V OVD
4
4-Channel Cold-Cathode
Fluorescent Lamp Controller
5.0V G
5.0V G
(V
5.0V G
5.0V G
6
U
CC
0.55
0.55
0.55
0.55
1ms
1ms
1ms
1ms
.com
A
B
A
B
_____________________________________________________________________
= +5.0V, T
BURST DIMMING AT 150Hz AND 50%
LAMP STRIKE WITH OPEN LAMP
AUTORETRY DISABLED
A
= +25°C, unless otherwise noted.)
2.0V LCM
0.5V OVD
5.0V G
2ms
2ms
2ms
LST0 AND LST1 = 0
A
LAMP STRIKE WITH 0%
FREQUENCY BOOST
2.0V LCM
1.0V OVD
5.0V GA
5.0V GA
5.0V GA
5.0V GA
5.0V G
5.0V G
2.0ms
2.0ms
2.0ms
2.0ms
20µs
20µs
20µs
20µs
Typical Operating Characteristics (continued)
A
B
1
2
3
4
SOFT-START AT V
BURST DIMMING STAGGER
2.0V LCM
0.5V OVD
5.0V G
2ms
2ms
2ms
INV
A
= 18V
LAMP STRIKE WITH 33%
FREQUENCY BOOST
2.00V LCM
2.00V OVD
2.0V LCM
2.0V OVD
5.0V
5.0V
5.0V G
5.0V G
1ms
1ms
1ms
1ms
0.1s
0.1s
0.1s
0.1s
G
G
A
B
A
B
LAMP STRIKE—EXPANDED VIEW
LAMP OUT (LAMP OPENED),
LAMP OPENED
AUTORETRY DISABLED