DS3881 MAXIM [Maxim Integrated Products], DS3881 Datasheet - Page 3

• Manufacturer Part Number: DS3881
• Description: Single-Channel Automotive CCFL Controller
• Manufacturer: MAXIM [Maxim Integrated Products]

ELECTRICAL CHARACTERISTICS (continued)
(V
High-Level Output Voltage
(GA, GB)
UVLO Threshold: V
UVLO Threshold: V
UVLO Hysteresis
SVML/H Threshold: Rising
SVML/H Threshold: Falling
LCM and OVD DC Bias Voltage
LCM and OVD Input Resistance
Lamp Off Threshold
Lamp Over Current
Lamp Regulation Threshold
OVD Threshold
Lamp Frequency Source
Frequency Range
Lamp Frequency Source
Frequency Tolerance
Lamp Frequency Receiver
Frequency Range
Lamp Frequency Receiver
Duty Cycle
DPWM Source (Resistor)
Frequency Range
DPWM Source (Resistor)
Frequency Tolerance
DPWM Source (Ext. Clk)
Frequency Range
DPWM Source (Ext. Clk)
Duty Cycle
DPWM Receiver
Min Pulse Width
BRIGHT Voltage: Minimum
Brightness
BRIGHT Voltage: Maximum
Brightness
Gate Driver Output Rise/Fall Time
GA1 and GB1 Duty Cycle
CC
= +4.75V to +5.25V, T
PARAMETER
Single-Channel Automotive CCFL Controller
CC
CC
Rising
Falling
A
= -40°C to +105°C.)
f
SYMBOL
f
f
f
f
f
f
DFE:DUTY
LFR:DUTY
V
f
DSR:OSC
V
V
DSE:OSC
LFS:OSC
LFR:OSC
DSR:TOL
t
V
LFS:TOL
V
V
V
DR:MIN
V
V
R
t
V
UVLOH
V
UVLOR
UVLOF
V
V
R
SVMR
BMAX
SVMF
OVDT
BMIN
DCB
DCB
OH1
LOC
LOT
LRT
/ t
_____________________________________________________________________
F
I
(Note 3)
(Note 3)
(Notes 3, 4)
(Note 3)
LOSC resistor ±2% over temperature
POSC resistor ±2% over temperature
(Note 5)
C
(Note 6)
OH1
L
= 600pF
= -1mA
CONDITIONS
V
MIN
2.03
1.95
0.22
22.5
22.5
0.4
3.7
2.2
0.9
0.9
2.0
CC
40
40
40
40
25
-5
-5
-
TYP
2.08
2.02
0.25
200
1.1
2.5
1.0
1.0
50
440.0
440.0
MAX
2.15
2.07
0.28
100
100
100
4.3
2.8
1.1
1.1
0.5
+5
+5
60
60
44
UNITS
kHz
kHz
mV
kΩ
Hz
Hz
µs
ns
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
3