DS3881E Maxim Integrated Products, DS3881E Datasheet - Page 5

• Manufacturer Part Number: DS3881E
• Description: Single-channel Automotive CCFL Controller
• Manufacturer: Maxim Integrated Products

5.0V SVML
2.00V LCM
(V
2.00V LCM
2.00V OVD
2.00V OVD
5.0V
5.0V
5.0V
CC
10µs
10µs
10µs
10µs
2ms
2ms
2ms
2ms
7.0
6.5
6.0
5.5
5.0
4.5
4.0
G
G
G
= 5.0V, T
B
A
B
4.75
GATE Q
4.80 4.85 4.90
Single-Channel Automotive CCFL Controller
DPWM = 10%
TYPICAL STARTUP WITH SVM
TYPICAL OPERATION AT 11V
SVML< 2V
ACTIVE SUPPLY CURRENT
A
C
= 3.5nC
= +25°C, unless otherwise noted.)
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
4.95
DPWM = 50%
5.00 5.05
f
LF:OSC
= 64kHz
DPWM = 100%
5.10
5.15
5.20
5.25
_____________________________________________________________________
2.00V LCM
2.00V LCM
2.00V OVD
2.00V OVD
5.0V
5.0V
5.0V
5.0V
10µs
10µs
10µs
10µs
1ms
1ms
1ms
1ms
7.0
6.5
6.0
5.5
5.0
G
G
G
G
A
B
A
B
-40.0
GATE Q
BURST DIMMING AT 150Hz AND 10%
TYPICAL OPERATION AT 13V
V
CC
ACTIVE SUPPLY CURRENT
C
= 4.75V
= 3.5nC
vs. TEMPERATURE
TEMPERATURE (°C)
V
CC
32.5
= 5.0V
Typical Operating Characteristics
f
DPWM = 100%
LF:OSC
V
CC
= 64kHz
= 5.25V
105
2.00V LCM
2.00V LCM
2.00V OVD
2.00V OVD
5.0V
5.0V
5.0V
5.0V
10µs
10µs
10µs
10µs
1ms
1ms
1ms
1ms
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
G
G
G
G
A
B
A
B
0
-40.0
BURST DIMMING AT 150Hz AND 50%
LAMP FREQUENCY
INTERNAL FREQUENCY CHANGE
TYPICAL OPERATION AT 16V
vs. TEMPERATURE
TEMPERATURE (°C)
DPWM FREQUENCY
32.5
105
5