参数资料
型号: MC34848EP
厂商: Freescale Semiconductor
文件页数: 2/38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
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
GD
PVCC
OUT_SW
VDC
REG 1
UVLO 0
CS
UVLO 1
SLEW
BOOST
CONTROLLER
COMP
WITH
OVP
OVP/OCP
SHUT_B
SYNC_IN
SYNC_OUT
DVDD
OSCILLATOR
OTP
VLOGIC
REG 2
V SENSE
UVLO 2
CH1
DIO1
SHL
DIO2
DATA+
DATA-
CLK+
CLK-
SHIFT
REGISTER
DIFFERENTIAL
INTERFACE
8 CHANNEL
CURRENT
DRIVER
CH2
CH3
CH4
CH5
CH6
CH7
CH8
DGND
AGND
SETUP
RESET-SCAN
SCAN
LS
SETUPD
CONTROL
LOGIC
REFERENCE
TEST
SYNC_PWM
CPLL
PWM
GENERATOR
GENERATOR
ISET
REFIO
GNDIO
PGND
Figure 2. 34848 Simplified Internal Block Diagram
34848
Analog Integrated Circuit Device Data
2
Freescale Semiconductor
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