ds3881et-r-c Maxim Integrated Products, Inc., ds3881et-r-c Datasheet - Page 5

• Manufacturer Part Number: ds3881et-r-c
• Description: Ds3881 Single-channel, Automotive Ccfl Controller
• Manufacturer: Maxim Integrated Products, Inc.

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
vs. SUPPLY VOLTAGE
= +25°C, unless otherwise noted.)
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%
V
TYPICAL OPERATION AT 13V
CC
ACTIVE SUPPLY CURRENT
C
= 4.75V
= 3.5nC
vs. TEMPERATURE
TEMPERATURE (°C)
V
CC
= 5.0V
32.5
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
G
G
1.0
0.8
0.6
0.4
0.2
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