參數(shù)資料
型號: MAX8729EEI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 模擬信號調(diào)理
英文描述: Constant-Frequency, Half-Bridge CCFL Inverter Controller
中文描述: SPECIALTY ANALOG CIRCUIT, PDSO28
封裝: 0.150 INCH, 0.025 INCH PITCH, MO-137AF, QSOP-28
文件頁數(shù): 6/26頁
文件大?。?/td> 395K
代理商: MAX8729EEI
M
Constant-Frequency, Half-Bridge CCFL Inverter
Controller
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 12V, V
DD
= 5.3V,
T
A
= -40°C to +85°C
, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
HF, HFCK, LF, LFCK Input Low
Voltage
Slave mode, V
CNTL
= V
CC
0.8
V
HF, HFCK, LF, LFCK Input High
Voltage
Slave mode, V
CNTL
= V
CC
2.1
V
HF, HFCK, LF, LFCK Input Rise
and Fall Time
Slave mode, V
CNTL
= V
CC
200
ns
HF Input Frequency Range
HFCK Input Frequency Range
HSYNC Input Frequency Range
LF Input Frequency Range
LFCK Input Frequency Range
LSYNC Input Frequency Range
DPWM Chopping Frequency
DPWM Input Frequency Range
Slave mode, V
CNTL
= V
CC
Slave mode, V
CNTL
= V
CC
R
HF
= 100k
Ω
Slave mode, V
CNTL
= V
CC
Slave mode, V
CNTL
= V
CC
R
LF
= 150k
Ω
R
LF
= 150k
Ω
20
120
190
80
10.24
120
197
80
100
600
460
300
38.40
280
217
300
kHz
kHz
kHz
Hz
kHz
Hz
Hz
Hz
PS1, PS2, LSYNC, HSYNC, SEL
Input Low Voltage
0.8
V
PS1, PS2, LSYNC, HSYNC, SEL
Input High Voltage
2.1
V
HFCK, LFCK, PSCK, DPWM
Output On-Resistance
I
TEST
= 1mA
2.5
k
Ω
CNTL Minimum Duty-Cycle
Threshold
0.21
0.26
V
CNTL Maximum Duty-Cycle
Threshold
1.9
2.1
V
CNTL Input Threshold
SHDN
Input Low Voltage
SHDN
Input High Voltage
Slave mode
4.2
4.8
0.8
V
V
V
2.1
TFLT Charging Current
V
ISEC
< 1.25 and V
IFB
< 600mV,
V
FLT
= 2.0V
0.93
1.07
μA
TFLT Trip Threshold
3.9
4.1
V
Note 1:
Specifications to -40°C are guaranteed by design, based on final characterization results.
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