参数资料
型号: MC34848EP
厂商: Freescale Semiconductor
文件页数: 8/38页
文件大小: 0K
描述: IC LED DVR BACKLIGHT 8CH 48QFN
产品变化通告: AMPD Product Discontinuation 12/Dec/2012
标准包装: 260
恒定电流:
恒定电压:
拓扑: PWM,升压(升压)
输出数: 8
内部驱动器:
类型 - 主要: 背光
频率: 200kHz ~ 1.2MHz
电源电压: 2.6 V ~ 3.6 V
输出电压: 45V
安装类型: 表面贴装
封装/外壳: 48-VFQFN 裸露焊盘
供应商设备封装: 48-QFN-EP(7x7)
包装: 托盘
工作温度: -40°C ~ 85°C
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics (continued)
Characteristics noted under conditions V IN = 24 V, V PVCC = 12 V, V DVDD = 3.3 V, I LED = 70 mA (Local Dimming Mode);
140 mA (Scan Mode), f S = 700 kHz, f PWM = 660 Hz, GND = 0 V, unless otherwise noted. Typical values noted reflect the
approximate parameter means at T A = 25°C under nominal conditions, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
OVP Threshold (7)
O VP
V
V = 000
V = 001
V = 010
V = 011
V = 100
V = 101
V = 110
V = 111
27.9
29.7
31.5
33.3
35.1
36.9
38.7
40.5
31
33
35
37
38
41
43
45
34.1
36.3
38.5
40.7
42.9
45.1
47.3
49.5
LOGIC INPUTS (SHUT_B, DIO1, DIO2, RESET, LS, SHL)
Input Threshold Low
Input Threshold High
V IL
V IH
-
2.0
-
-
0.8
-
V
V
SHUT_B Input Leakage Current
I SHUT_B_LEAK
μ A
V SHUT_B = 1.0 V
DIO1, DIO2 Input Leakage Current
V DIO = 1.0 V
SETUP, RESET_SCAN Input Leakage Current
V = 1.0 V
LS Input Leakage Current
V LS = 1.0 V
SHL Input Leakage Current
V SHL = 1.0 V
I DIO_LEAK
I LEAK
I LS_LEAK
I SHL_LEAK
-
-
-
-
-
-
-
-
-
-
10
10
10
10
10
μ A
μ A
μ A
μ A
Notes
7. Measurements performed using a resistor divider network with a ratio of 23.71.
34848
Analog Integrated Circuit Device Data
8
Freescale Semiconductor
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