DS3994Z+W Maxim Integrated Products, DS3994Z+W Datasheet - Page 3

• Manufacturer Part Number: DS3994Z+W
• Description: Display Drivers 4-Ch Cold-Cathode Fl uorescent Controller
• Manufacturer: Maxim Integrated Products

Specifications of DS3994Z+W

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
High-Level Output Voltage
(GA, GB)
UVLO Threshold—V
UVLO Threshold—V
UVLO Hysteresis
SVM Falling Edge Threshold
SVM Hysteresis
LCM and OVD Source Current
LCM and OVD Sink Current
LCM and OVD DC Bias Voltage
LCM and OVD Input Resistance
Lamp Off Threshold
Lamp Overcurrent Threshold
Lamp Regulation Threshold
OVD Threshold
Lamp Frequency Range
Lamp Frequency Source
Frequency Tolerance
Lamp Frequency Receiver
Duty Cycle
DPWM Frequency Range
DPWM Source Frequency
Tolerance
DPWM Receiver Duty Cycle
DPWM Receiver
Frequency Range
DPWM Receiver
Minimum Pulse Width
BRIGHT Voltage—Minimum
Brightness
BRIGHT Voltage—Maximum
Brightness
BRIGHT Voltage—Minimum
Brightness
BRIGHT Voltage—Maximum
Brightness
Gate-Driver Output Rise/Fall Time
GAn and GBn Duty Cycle
CC
= +4.5V to +5.5V, T
PARAMETER
CC
CC
Rising
Falling
A
= -40°C to +85°C.)
f
SYMBOL
f
f
DFE:DUTY
LFR:DUTY
f
V
V
f
V
f
DSR:TOL
t
LFS:TOL
V
V
V
V
f
DR:OSC
V
LF:OSC
DR:MIN
V
V
V
R
D:OSC
V
UVLOH
V
UVLOR
UVLOF
V
V
t
SVMH
BMAX
BMAX
SVMT
OVDT
BMIN
BMIN
R
DCB
DCB
OH2
LOC
LOT
LRT
/t
F
_____________________________________________________________________
I
(Note 3)
(Note 3)
(Note 3)
(Note 3)
LOSC resistor ±0.1% over temperature
POSC resistor ±0.1% over temperature
(Note 4)
Positive slope (CR2.7 = 0)
Positive slope (CR2.7 = 0)
Positive slope (CR2.7 = 1)
Positive slope (CR2.7 = 1)
C
(Note 5)
OH2
L
= 600pF
Fluorescent Lamp Controller
= -1mA
CONDITIONS
4-Channel Cold-Cathode
V
CC
1.95
1.65
3.15
2.29
2.25
22.5
22.5
MIN
3.7
2.0
3.3
20
40
40
25
-2
-2
- 0.4
TYP
1.35
1.75
3.35
2.35
2.35
100
150
2.0
50
50
4
4
440.0
440.0
MAX
2.05
1.85
3.55
2.41
2.45
100
4.3
0.5
+2
+2
80
60
60
44
0
UNITS
kHz
mV
mV
µA
µA
kΩ
Hz
Hz
µs
ns
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
3