参数资料
| 型号： | MAX8722CEEG+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/21页 |
| 文件大小： | 0K |
| 描述： | IC CCFL BACKLIGHT CTRL 24-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | CCFL 控制器 |
| 频率： | 30 ~ 80 kHz |
| 电流 - 电源： | 1mA |
| 电流 - 输出： | 300mA |
| 电源电压： | 4.6 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 24-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 24-QSOP |
| 包装： | 管件 |
Low-Cost CCFL Backlight Controller
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1. V BATT = 12V, V CC = V DD , V SHDN = 5.4V, T A = 0°C to +85°C . Typical values are at T A = +25°C, unless otherwise noted.)
PARAMETER
Current-Limit Threshold
V ILIM = 0.5V
CONDITIONS
MIN
90
TYP
120
MAX
150
UNITS
LX1 to PGND, LX2 to PGND
mV
(Adjustable)
V ILIM = 2.0V
380
410
440
Zero-Current Crossing Threshold
LX1 to GND, LX2 to GND
Current-Limit Leading Edge
Blanking
IFB Input Voltage Range
IFB Regulation Point
-7
240
-2
730
0
350
780
+7
460
+2
830
mV
ns
V
mV
IFB Input Bias Current
0 < V IFB < 2V
-2V < V IFB < 0
-2
-150
+2
μA
IFB Lamp-Out Threshold
570
600
640
mV
IFB to COMP Transconductance
IFB Soft-Start Disable
COMP Output Impedance
COMP Discharge Current During
Overvoltage or Overcurrent Fault
COMP Soft-Start Charge Current
ISEC Overcurrent Threshold
ISEC Input Bias Current
VFB Input Bias Current
VFB Undervoltage Threshold
VFB Overvoltage Threshold
VFB Undervoltage Protection
Timeout
0.5V < V COMP < 4V
V IFB = 800mV, V ISEC = 2V
0 < V ISEC < 2V
-4V < V VFB < +4V
R FREQ = 169k
R FREQ = 100k
10
1.0
5
10
1.15
-0.3
-25
340
2.2
230
17
1.1
10
1100
14
1.20
430
2.3
260
159
25
1.2
20
20
1.28
+0.3
+25
520
2.4
290
μS
V
M
μA
μA
V
μA
μA
mV
V
μs
R FREQ = 340k
R FREQ = 100k
515
343
DPWM Chopping Frequency
R FREQ = 169k
205
210
215
Hz
R FREQ = 340k
106
DPWM Input Low Voltage
DPWM Input High Voltage
DPWM Input Hysteresis
SYNC = V CC , R FREQ = 169k
SYNC = V CC , R FREQ = 169k
SYNC = V CC , R FREQ = 169k
2.1
100
0.8
V
V
mV
DPWM Input Bias Current
DPWM Output Low Resistance
DPWM Output High Resistance
SYNC = V CC , R FREQ = 169k
SYNC = GND, FREQ = V CC
SYNC = V CC , FREQ = V CC
-0.3
+0.3
3
3
μA
k
k
SYNC Input Low Voltage
SYNC Input High Voltage
SYNC Input Hysteresis
2.1
70
0.8
V
V
mV
SYNC Input Bias Current
V SYNC = 2V
-0.3
+0.3
μA
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8722CEEG+ | 功能描述:显示驱动器和控制器 CCFL Backlight Controller RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| MAX8722CEEG+T | 功能描述:显示驱动器和控制器 CCFL Backlight Controller RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| MAX8722EEG | 功能描述:显示驱动器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| MAX8722EEG+ | 功能描述:显示驱动器和控制器 CCFL Backlight Controller RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| MAX8722EEG+T | 功能描述:显示驱动器和控制器 CCFL Backlight Controller RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
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