參數(shù)資料
型號(hào): LX1689CPW
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 穩(wěn)壓器
英文描述: Third Generation CCFL Controller
中文描述: FLUORESCENT LIGHT CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO20
封裝: ROHS COMPLIANT, PLASTIC, TSSOP-20
文件頁(yè)數(shù): 8/15頁(yè)
文件大?。?/td> 329K
代理商: LX1689CPW
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 8
Copyright
2000
Rev. 1.0b, 2003-03-31
W
M
.
C
LX1689
Third Generation CCFL Controller
P
RODUCTION
D
ATA
S
HEET
I N T E G R A T E D P R O D U C T S
B L O C K D I A G R A M
V_BATT
ENABLE
VDD_A
VDD_P
I_R
BRITE_IN
BRITE_OUT
BRITE_R
DIM_CLK
DIM_ MODE
DIV_248
GND
OV_SNS
OC_SNS
I_SNS
EA_IN
EA_OUT
BOUT
AOUT
SLEEP
SHUTDOWN
DUAL LDO
UVLO BIAS
75K
50K
1
1
50K
+
+
-
+
-
-
2.0V
0.5V
0.5V
0.5V
BRITE_C
200K
VDD_A
FAULT
+
-
3 STATE
DECODER
3 STATE
DECODER
MUX
&
DIV
6BIT
VDAC
6 BIT
COUNTER
RS
1V
RESET
EXT
ANLG
INT
Q
Q
D
Q S
R
DIGITAL DIM
ANALOG DIM
1
OUTPUT
STEERING
LOGIC
1
RAMP_D
FAULT
+
-
RAMP_C
+
-
BRITE_OUT
DIM CLOCK
IGNITE
DIGITAL DIM
1
LSNS
RECTIFIER
OC_SNS
RECTIFIER
OV_SNS
RECTIFIER
200K
RUN MODE
FAULT DET
STRIKE MODE
FAULT DET
RAMP
GENERATOR
20 BIT
COUNTER &
POWER ON
RESET LOGIC
10 BIT
REGISTER
10 BIT
IDAC
RAMP_C
R
F EXT
DDIM
FAULT
IGNITE
5.3V
2.95V
2.0V
REF
PWR_GD
R
+
+
+
-
-
-
2.0V
ANADIM
N
ERROR
AMP
DIMMING
CONTROL
BLOCK
TIMMING
GENERATOR
BLOCK
STRIKE
DETECTION
BLOCK
LAMP FEEDBACK
CONDITIONING BLOCK
OUTPUT DRIVERS BLOCK
PWM CONTROL
BLOCK
ENABLE & BIAS
GENERATOR
BLOCK
+
-
VDD_A
I
1
I
1
+
-
300mV
F
IGURE
1
– Simplified Block Diagram
B
L
O
C
K
D
I
A
G
R
A
M
相關(guān)PDF資料
PDF描述
LX1689 Third Generation CCFL Controller
LX1732 High Current PFM Boost Converter
LX1732CDU High Current PFM Boost Converter
LX1742 High Efficiency High Voltage Boost Controller
LX1744 Dual Output Boost ? LED Driver / LCD Bias
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LX1689CPW-TR 制造商:Microsemi Corporation 功能描述:CCFL DRVR 28V 20TSSOP - Tape and Reel 制造商:Microsemi Corporation 功能描述:DIRECT DRIVE CONTROLLER
LX1689IPW 功能描述:IC CTLR CCFL BACKLIGHT 20-TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 照明,鎮(zhèn)流器控制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:CCFL 控制器 頻率:40 ~ 80 kHz 電流 - 電源:5mA 電流 - 輸出:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) 其它名稱:90-3991V+V01
LX1689IPWTR 制造商:Microsemi Corporation 功能描述:CCFL Controller 3.3V/5V/9V/12V/15V/18V/24V 20-Pin TSSOP T/R
LX1689IPW-TR 制造商:Microsemi Corporation 功能描述:CCFL DRVR 28V 20TSSOP - Tape and Reel
LX1691 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Enhanced Multi-Mode CCFL Controller