参数资料
型号: MAX8759ETI+T
厂商: Maxim Integrated
文件页数: 5/32页
文件大小: 0K
描述: IC CNTRL CCFL BACKLIGHT 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: CCFL 控制器
频率: 30 ~ 80 kHz
电流 - 电源: 2.5mA
电源电压: 4.5 V ~ 28 V
工作温度: -40°C ~ 85°C
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
Low-Cost, SMBus, CCFL Backlight Controller
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V BATT = 12V, V CC = V DD, T A = -40°C to +85°C .) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
BATT Input Voltage Range
BATT Quiescent Current
V CC = V DD = V BATT
V CC = V DD = open
MAX8759 is enabled
V BATT = 28V
V BATT = V CC = 5V
4.5
5.5
5.5
28.0
5
5
V
mA
V CC Output Voltage, Normal Operation
V CC Output Voltage, Shutdown
V CC Undervoltage Lockout Threshold
GH1, GH2, GL1, GL2 On-Resistance,
Low State
GH1, GH2, GL1, GL2 On-Resistance,
High State
Resonant Frequency Range
Minimum On-Time
Maximum Off-Time
Current-Limit Threshold
Zero-Current Crossing Threshold
IFB1, IFB2 Input Voltage Range
IFB1 Regulation Point
IFB2 Regulation Point
IFB1, IFB2 Input Bias Current
IFB1, IFB2 Lamp-Out Threshold
IFB1, IFB2 to COMP Transconductance
COMP Output Impedance
COMP Discharge Current During Overvoltage
or Overcurrent Fault
COMP Discharge Current During DPWM
Off-Time
ISEC Input Voltage Range
ISEC Overcurrent Threshold
VFB Input Voltage Range
VFB Input Impedance
VFB Overvoltage Threshold
VFB Undervoltage Threshold
DPWM Oscillator Frequency
PWMO Output Impedance
MAX8759 is enabled, 6V < V BATT < 28V,
0 < I LOAD < 10mA
MAX8759 is disabled, no load
V CC rising (leaving lockout)
V CC falling (entering lockout)
I TEST = 100mA, V CC = V DD = 5V
I TEST = 100mA, V CC = V DD = 5V
Guaranteed by design
LX1 - PGND1, LX2 - PGND2
LX1 - PGND1, LX2 - PGND2
-3V < V IFB1,2 < 0
0.5V < V COMP < 4V
V VFB = 2.6V or V ISEC = 1.5V
V COMP = 1.5V
R FREQ = 169k ?
5.2
3.5
3.7
30
350
40
410
3
-3
760
775
-230
565
60
6
500
90
-3
1.18
-4
150
2.2
210
203
20
5.5
5.5
4.3
6
18
80
700
80
450
13
+3
810
825
635
160
25
2000
130
+3
1.26
+4
450
2.4
280
217
60
V
V
V
?
?
kHz
ns
μs
mV
mV
V
mV
mV
μA
mV
μS
M ?
μA
μA
V
V
V
M ?
V
mV
Hz
k ?
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5
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