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| 型号： | MC34848EPR2 |
| 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： | 2,000 |
| 恒定电流： | 是 |
| 恒定电压： | 是 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 8 |
| 内部驱动器： | 是 |
| 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： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
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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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