MAX8729EEI+T Maxim Integrated Products, MAX8729EEI+T Datasheet - Page 5

• Manufacturer Part Number: MAX8729EEI+T
• Description: Display Drivers Constant-Frequency H alf-Bridge CCFL Inve
• Manufacturer: Maxim Integrated Products

Specifications of MAX8729EEI+T

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

ELECTRICAL CHARACTERISTICS
(V
IN Input-Voltage Range
IN Quiescent Current
IN Quiescent Current, Shutdown
V
Operation
V
V
Lockout Threshold
GH, GL On-Resistance, Low
State
GH, GL On-Resistance, High
State
Minimum Off-Time
Maximum Off-Time
Low-Side MOSFET Maximum
Current-Limit Threshold (LX –
GND)
High-Side MOSFET Maximum
Current-Limit Threshold (IN – LX)
Low-Side MOSFET Zero-Current
Crossing Threshold (GND – LX)
High-Side MOSFET Zero-Current
Crossing Threshold (LX – IN)
Current-Limit Leading-Edge
Blanking
IFB Regulation Point
IFB Maximum AC Voltage
IFB Input Bias Current
IFB Lamp-Out Threshold
ISEC Input Voltage Range
ISEC Overcurrent Threshold
VFB Input Voltage Range
VFB Overvoltage Threshold
Main Oscillator Frequency
Main Oscillator Frequency Range
IN
CC
CC
CC
= 12V, V
Output Voltage, Normal
Output Voltage, Shutdown
Undervoltage
PARAMETER
DD
= 5.3V, T
_______________________________________________________________________________________
A
Constant-Frequency, Half-Bridge CCFL
= -40°C to +85°C, unless otherwise noted.) (Note 1)
V
SHDN = GND
V
0 < I
SHDN = GND, no load
V
V
I
I
Internally full-wave rectified
0 < V
-2V < V
Reject 1µs glitches
R
TEST
TEST
SHDN
SHDN
CC
CC
HF
LOAD
= 100kΩ
rising (leaving lockout)
falling (entering lockout)
IFB
= 10mA
= 10mA
= 5.3V, V
= 5.3V, 6V < V
IFB
< 2V
< 10mA
< 0
IN
= 28V
CONDITIONS
IN
< 28V,
Inverter Controller
5.20
24.0
-150
1.18
2.15
50.0
MIN
330
350
350
310
770
760
3.5
4.0
-16
20
-3
-3
-4
6
0
TYP
±3
MAX
5.50
42.0
1.26
2.35
57.6
+28
560
500
500
560
810
820
100
5.5
4.5
+3
+3
+4
28
20
18
6
3
7
UNITS
kHz
kHz
mA
mV
mV
mV
mV
mV
mV
µA
µA
ns
µs
ns
Ω
Ω
V
V
V
V
V
V
V
V
V
5