MAX8785AETI+T Maxim Integrated Products, MAX8785AETI+T Datasheet - Page 4

• 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

Full-Bridge Controller for
Piezoelectric Transformers
ELECTRICAL CHARACTERISTICS (continued)
(V
are at T
ELECTRICAL CHARACTERISTICS
(V
4
SHDN Input Bias Current
TFLT Charging Current
TFLT Trip Threshold
TFLT Sink Current
FLT Sink Current
FLT Leakage Current
BATT Input Voltage Range
BATT Quiescent Current
BATT Quiescent Current, Shutdown
V
V
V
GH1, GH2, GL1, and GL2 On-Resistance,
Low State
GH1, GH2, GL1, and GL2 On-Resistance,
High State
BST1, BST2 Leakage Current
LX1, LX2 Leakage Current
Minimum On-Time
Duty Cycle
Maximum Duty Cycle
Current-Limit Threshold
BATT
BATT
CC
CC
CC
_______________________________________________________________________________________
Output Voltage, Normal Operation
Output Voltage, Shutdown
Undervoltage-Lockout Threshold
= 12V, V
= 12V, V
A
= +25°C.)
DD1
DD1
PARAMETER
PARAMETER
= V
= V
DD2
DD2
= V
= V
SHDN
SHDN
, T
= 5.35V, R
A
= -40°C to +85°C, unless otherwise noted.) (Note 1)
RATE
V
V
V
V
V
0 < I
V
V
V
I
I
V
V
V
V
V
V
LX1 - PGND, LX2 - PGND
0 < V
V
V
V
V
V
V
TFLT rising
V
V
V
TEST
TEST
CC
CC
SHDN
SHDN
SHDN
SHDN
CC
CC
BST1
BST2
BATT
BATT
BATT
BATT
VFB
OLF
VFB
OLF
VFB
TFLT
TFLT
TFLT
TFLT
= 190kΩ, T
LOAD
= V
= V
rising (leaving lockout)
falling (entering lockout)
SHDN
= 10mA
= 10mA
> 2.4V or V
< 2.05V and V
< 200mV or V
< 1.1V; V
< 1.1V; V
= 2.0V
= 2.0V
= 3.1V, V
= 0, V
= 24V, V
= 24V, V
= 28V
= 8V, R
= 16V , R
= 24V , R
= 5.5V, V
= 0
= 5.5V, 6V < V
= 0, no load
DD1
DD1
< 20mA
< 5.5V
FLT
= V
= V
A
RATE
RATE
RATE
TFLT
TFLT
LX1
LX2
CONDITIONS
CONDITIONS
FLT
= 0°C to +85°C, unless otherwise noted. See Figure 1. Typical values
DD2
DD2
= 5.5V
BATT
IFB
= 19V;
= 19V; V
OLF
= 190kΩ, R
= 0.4V
= 2.0V
IFB
= 2.0V
= 190kΩ , R
= 190kΩ , R
< 720mV;
= open
= BATT
= 28V
BATT
> 880mV;
> 1.3V;
< 28V,
BATT
HF
H F
H F
= 28V
= 100kΩ
= 100kΩ
= 100kΩ
0.60
2.24
2.90
MIN
5.20
3.95
10.8
7.50
MIN
80
210
370
-1
-1
5.5
4.5
3.5
1
22
-0.75
TYP
0.75
135
TYP
2.8
3.0
MAX
0.90
3.36
3.10
MAX
-0.5
160
28.0
5.50
14.2
9.50
+1
420
430
5.5
5.5
4.5
25
28
45
1
6
3
8
5
5
UNITS
UNITS
mA
mA
mA
mA
µA
µA
µA
mV
µA
µA
µA
ns
%
%
V
Ω
Ω
V
V
V
V