参数资料
型号: DS3881E+C
厂商: Maxim Integrated
文件页数: 8/28页
文件大小: 0K
描述: IC CCFL CONTROL 24TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 62
类型: CCFL 控制器
频率: 40 ~ 100 kHz
电流 - 电源: 12mA
电源电压: 4.75 V ~ 5.25 V
工作温度: -40°C ~ 105°C
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 管件
其它名称: DS3881E+
DS3881E+-ND
Single-Channel Automotive CCFL Controller
Functional Diagrams
V CC
PDN
UVLO
[4.75V TO 5.25V]
ENABLE/
I 2 C DEVICE
CONFIGURATION AND
CONTROL PORT
LCO
SDA
SCL
A0/A1
GND_S
I 2 C
INTERFACE
EEPROM
CONTROL REGISTERS
8 BYTE USER MEMORY
STATUS REGISTERS
System
SYSTEM
Enable /
POR
2.0V
2.0V
VREF
SVML
SUPPLY VOLTAGE
MONITOR—LOW
SVMH
SUPPLY VOLTAGE
MONITOR—HIGH
FAULT
CHANNEL FAULT
FAULT
HANDLING
CHANNEL ENABLE
LCM1
LAMP CURRENT
LAMP FREQUENCY
INPUT/OUTPUT
STEP LAMP FREQUENCY
UP OR DOWN
LSYNC
STEP
[40kHz ~ 100kHz]
LFSS BIT
AT CR1.2
x512
PLL
[20.48MHz ~ 51.20MHz]
SINGLE
CCFL
MONITOR
OVD1
OVERVOLTAGE
DETECTION
EXTERNAL RESISTOR
LAMP FREQUENCY SET
LOSC
40kHz TO 100kHz
OSCILLATOR ( ± 5%)
DS3881
CONTROLLER
DPSS BIT
AT CR1.3
MUX
DPWM SIGNAL
INPUT/OUTPUT
PSYNC
RGSO BIT
AT CR1.4
MUX
GA1
GB1
MOSFET
GATE
DRIVERS
DPSS BIT
ANALOG BRIGHTNESS
CONTROL
BRIGHT
AT CR1.3
EXTERNAL RESISTOR
DPWM FREQUENCY
SET/DPWM CLOCK INPUT
POSC
22.5Hz TO
440Hz
OSCILLATOR
MUX
POSCS BIT
AT CR1.1
RAMP
GENERATOR
22.5Hz TO 440Hz
DPWM
SIGNAL
GND
( ± 5%)
Figure 1. Functional Diagram
8
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DS3881ER 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Single-Channel Automotive CCFL Controller
DS3881ET 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Single-Channel Automotive CCFL Controller
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