参数资料
型号: MAX8722CEEG+
厂商: Maxim Integrated
文件页数: 5/21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 = -40°C to +85°C , unless otherwise noted.) (Note 1)
PARAMETER
Current-Limit Threshold
V ILIM = 0.5V
CONDITIONS
MIN
90
TYP
MAX
150
UNITS
LX1 - PGND, LX2 - PGND
mV
(Adjustable)
V ILIM = 2.0V
380
440
Zero-Current Crossing Threshold
LX1 - GND, LX2 - GND
Current-Limit Leading Edge
Blanking
IFB Input Voltage Range
IFB Regulation Point
-7
240
-2
720
+7
460
+2
840
mV
ns
V
mV
IFB Input Bias Current
IFB Lamp-Out Threshold
IFB to COMP Transconductance
IFB Soft-Start Disable
COMP Output Impedance
COMP Soft-Start Charge Current
ISEC Overcurrent Threshold
VFB Overvoltage Threshold
VFB Undervoltage Threshold
VFB Undervoltage Protection
Timeout
DPWM Chopping Frequency
0 < V IFB < 2V
-2V < V IFB < 0
0.5V < V COMP < 4V
IFB/rising
R FREQ = 169k
R FREQ = 169k
-2
-150
560
10
1
5
10
1.15
2.2
340
230
205
+2
650
25
1.2
20
20
1.28
2.4
520
290
215
μA
mV
μS
V
M
mA
V
V
mV
μs
Hz
DPWM Input Low Voltage
DPWM Input High Voltage
DPWM Output Low Resistance
DPWM Output High Resistance
SYNC Input Low Voltage
SYNC Input High Voltage
SYNC = V CC , R FREQ = 169k
SYNC = V CC , R FREQ = 169k
SYNC = GND, FREQ = V CC
SYNC = V CC , FREQ = V CC
2.1
2.1
0.8
3.0
3.0
0.8
V
V
k
k
V
V
SYNC Input Frequency Range
20
100
kHz
SHDN Input Low Voltage
SHDN Input High Voltage
2.1
0.8
V
V
TFLT Trip Threshold
3.95
4.20
V
Note 1: Specifications to -40°C are guaranteed by design based on final characterization results.
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5
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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