参数资料
型号: MC34848EP
厂商: Freescale Semiconductor
文件页数: 4/38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
PIN CONNECTIONS
Table 1. 34848 Pin Definitions (continued)
A functional description of each pin can be found in the Functional Pin Description section.
Pin Number
17, 39
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
40
41
42
43
45
46
47
48
Exposed Pad
Pin Name
AGND
PLLC
ISET
GNDIO
REFIO
SCAN
VLOGIC
SYNC-OUT
DGND
DIO2
DVDD
CLK+
CLK-
DATA+
DATA-
SETUP
RESET_SCAN
LS
SHUT_B
DIO1
SYNC_IN
SYNC_PWM
VDC
SLEW
GD
COMP
CS
OUT-SW
OVP
PVCC
PGND
Pin Function
Ground
Input
Input
Input
Input
Input
Output
Ground
Formal Name
Definition
Analog ground
PLL compensation network connection
Current reference setting
Ground reference REFIO supply
Reference voltage supply
Enable scan made (‘H’ enabled, ‘L’ disabled)
Decouple for internally generated 2.5 V rail
Boost clock output
Digital ground
Data shift register I/O2
Logic supply voltage
Differential interface clock+
Differential interface clock -
Data+
Data-
SETUP input. Setup mode and clear data register when high
RESET_SCAN input. Reset internal counter
Data Latch
Shutdown pin, active low
Data shift register I/O1
Boost clock input
PWM sync input
Decouple for internal gate driver voltage
Boost driver slew rate control
Control to power switch for input voltage V IN
Boost compensation pin
Current sense input pin
FET driver output
Over-voltage protection sense pin
Switch driver power supply
Power ground
34848
Analog Integrated Circuit Device Data
4
Freescale Semiconductor
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