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| 型号： | MC34848EPR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 6/38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
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
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
SUPPLY
Supply Voltage at PVCC
V PVCC
6.0
12
14
V
Supply Current at PVCC, Device Enabled
I PVCC
mA
SHUT_B = High, V PVCC = 14 V
Supply Current at PVCC, Device Disabled
SHUT_B = Low, V PVCC = 14 V
PVCC Under-voltage Lockout
V PVCC Falling
PVCC Under-voltage Lockout Hysteresis
I PVCC-DIS
V PVCC_UVLO
V PVCC_UVLO_HY
-
-
-
18.5
14.5
-
22
18
5.5
mA
V
V
V PVCC Rising
ST
-
0.24
-
Supply Voltage at DVDD
V DVDD
2.6
3.3
3.6
V
Supply Current at DVDD, Device Enabled
I DVDD
mA
SHUT_B = High, V DVDD = 3.6 V
Supply Current, Device Disabled
SHUT_B = Low, V DVDD = 3.6 V
DVDD Under-voltage Lockout
V DVDD Falling
DVDD Under-voltage Lockout Hysteresis
I DVDD-DIS
V DVDD_UVLO
V DVDD_UVLO_HY
-
-
2.3
7.5
7.5
2.4
12
12
2.55
mA
V
V
V PVCC Rising
VDC Output Voltage
C VDC = 2.2 μ F
(5)
ST
V DC
-
5.8
0.15
6.0
-
6.2
V
V LOGIC Output Voltage (5)
V LOGIC
V
C VLOGIC = 2.2 μ F
2.4
2.5
2.6
Notes
5. This pin is for internal use only, and not to be used for other purposes.
34848
Analog Integrated Circuit Device Data
6
Freescale Semiconductor
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