参数资料
型号: MC34848EPR2
厂商: Freescale Semiconductor
文件页数: 3/38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:
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: 带卷 (TR)
工作温度: -40°C ~ 85°C
PIN CONNECTIONS
PIN CONNECTIONS
CH1
PGND
CH2
CH3
PGND
1
2
3
4
5
36
35
34
33
32
DIO1
SHUT_B
LS
RESET_SCAN
SETUP
CH4
CH5
PGND
CH6
CH7
PGND
CH8
6
7
8
9
10
11
12
EXPOSED PAD
PGND
31
30
29
28
27
26
25
DATA-
DATA+
CLK-
CLK+
DVDD
DIO2
DGND
Figure 3. 34848 Pin Connections
Table 1. 34848 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section.
Pin Number
1
2, 5, 8, 11,
Pin Name
CH1
PGND
Pin Function
Formal Name
LED connection - channel 1
Power ground
Definition
13, 44
3
4
6
7
9
10
12
14
15
16
CH2
CH3
CH4
CH5
CH6
CH7
CH8
SHL
TEST
SETUPD
LED connection - channel 2
LED connection - channel 3
LED connection - channel 4
LED connection - channel 5
LED connection - channel 6
LED connection - channel 7
LED connection - channel 8
Shift register direction (‘H’ - DIO1 input, CH1 - CH8, DIO2 output, ‘L’ - -
DIO2 input, CH8 - CH1, DIO1 output)
Enable test mode
Setup default value select
34848
Analog Integrated Circuit Device Data
Freescale Semiconductor
3
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