MAX8785AETI+T Maxim Integrated Products, MAX8785AETI+T Datasheet - Page 5

• Manufacturer Part Number: MAX8785AETI+T
• Description: IC CCFL CTRL 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: CCFL Controllerr

Specifications of MAX8785AETI+T

• Current - Supply: 1.5mA
• Voltage - Supply: 4.5 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Frequency: -
• Lead Free Status / Rohs Status: Details

ELECTRICAL CHARACTERISTICS (continued)
(V
Note 1: -40°C specifications are guaranteed by design, not production tested.
Current-Limit Leading-Edge Blanking
IFB Regulation Point
IFB Input Bias Current
IFB Lamp-Out Threshold
IFB-to-COMP Transconductance
COMP Discharge Current During Overvoltage
Initial Startup COMP Charging Current
COMP Maximum Voltage Threshold
VFB Input Bias Current
VFB Overvoltage Threshold
VFB Short-Circuit Threshold
OLF Input Voltage Range
OLF Input Bias Current
OLF Trip Threshold
Main Oscillator Frequency
DPWM Chopping Frequency
CNTL Minimum Duty-Cycle Threshold
CNTL Maximum Duty-Cycle Threshold
LSYNC Input Low Voltage
LSYNC Input High Voltage
LSYNC Input Frequency Range
LSYNC Minimum Duty Cycle
SEL Input Low Voltage
SEL Input High Voltage
SHDN Input Low Voltage
SHDN Input High Voltage
TFLT Charging Current
TFLT Sink Current
TFLT Trip Threshold
FLT Sink Current
BATT
= 12V, V
DD1
PARAMETER
= V
_______________________________________________________________________________________
DD2
= V
SHDN
, T
A
= -40°C to +85°C, unless otherwise noted.) (Note 1)
0 < V
-3V < V
Reject 1µs glitches
1V < V
V
-4V < V
V
V
-4V < V
OLF rising
R
R
V
V
V
V
V
V
V
TFLT rising
V
IFB
FB
FB
VFB
OLF
VFB
OLF
VFB
TFLT
TFLT
TFLT
HF
LF
= 150kΩ
rising
rising
= 100kΩ, V
= 800mV, V
IFB
> 2.4V or V
< 2.05V and V
< 200mV or V
< 1.1V; V
< 1.1V; V
= 2.0V
= 2.0V
= 3.1V; V
COMP
IFB
VFB
OLF
Piezoelectric Transformers
< +3V
< 0
< +4V
< +4V
< 3V
Full-Bridge Controller for
TFLT
TFLT
CONDITIONS
FLT
COMP
VFB
IFB
OLF
= 0.4V
= 2.0V
IFB
= 2.0V
< 720mV;
= 2.5V, V
= 0V
> 880mV;
> 1.3V;
COMP
= 2V
-225
2.05
0.20
0.60
2.24
2.90
MIN
3.15
240
760
720
200
198
120
-1.0
0.5
1.1
1.9
2.2
2.2
2.2
50
57
10
80
-2
-2
-4
-2
7
1
TYP
MAX
3.35
2.45
0.26
0.90
3.36
3.10
500
880
150
260
218
-0.5
190
840
280
2.0
1.3
2.1
0.8
0.8
0.8
+2
+2
+4
+2
11
63
UNITS
kHz
mV
mV
mA
mV
mA
mA
µA
µA
µA
µA
Hz
Hz
µA
ns
µs
%
V
V
V
V
V
V
V
V
V
V
V
V
V
5