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DS3882E Datasheet(PDF) 3 Page - Maxim Integrated Products

Part # DS3882E
Description  Dual-Channel Automotive CCFL Controller
Download  31 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DS3882E Datasheet(HTML) 3 Page - Maxim Integrated Products

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Dual-Channel Automotive CCFL Controller
_____________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +4.75V to +5.25V, TA = -40°C to +105°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
High-Level Output Voltage
(GA, GB)
VOH1
IOH1 = -1mA
VCC -
0.4
V
UVLO Threshold: VCC Rising
VUVLOR
4.3
V
UVLO Threshold: VCC Falling
VUVLOF
3.7
V
UVLO Hysteresis
VUVLOH
200
mV
SVML/H Threshold: Rising
VSVMR
2.03
2.08
2.15
V
SVML/H Threshold: Falling
VSVMF
1.95
2.02
2.07
V
LCM and OVD DC Bias Voltage
VDCB
1.1
V
LCM and OVD Input Resistance
RDCB
50
k
Ω
Lamp Off Threshold
VLOT
(Note 3)
0.22
0.25
0.28
V
Lamp Over Current
VLOC
(Note 3)
2.2
2.5
2.8
V
Lamp Regulation Threshold
VLRT
(Notes 3, 4)
0.9
1.0
1.1
V
OVD Threshold
VOVDT
(Note 3)
0.9
1.0
1.1
V
Lamp Frequency Source
Frequency Range
fLFS:OSC
40
100
kHz
Lamp Frequency Source
Frequency Tolerance
fLFS:TOL
LOSC resistor ±2% over temperature
-5
+5
%
Lamp Frequency Receiver
Frequency Range
fLFR:OSC
40
100
kHz
Lamp Frequency Receiver
Duty Cycle
fLFR:DUTY
40
60
%
DPWM Source (Resistor)
Frequency Range
fDSR:OSC
22.5
440.0
Hz
DPWM Source (Resistor)
Frequency Tolerance
fDSR:TOL
POSC resistor ±2% over temperature
-5
+5
%
DPWM Source (Ext. Clk)
Frequency Range
fDSE:OSC
22.5
440.0
Hz
DPWM Source (Ext. Clk)
Duty Cycle
fDFE:DUTY
40
60
%
DPWM Receiver
Min Pulse Width
tDR:MIN
(Note 5)
25
µs
BRIGHT Voltage: Minimum
Brightness
VBMIN
0.5
V
BRIGHT Voltage: Maximum
Brightness
VBMAX
2.0
V
Gate Driver Output Rise/Fall Time
tR / tF
CL = 600pF
100
ns
GAn and GBn Duty Cycle
(Note 6)
44
%


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