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參數(shù)資料
| 型號(hào)： | LX1672-03CLQTR |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A DUAL SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PQCC38 |
| 封裝： | PLASTIC, MLPQ-38 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大?。?/td> | 358K |
| 代理商： | LX1672-03CLQTR |
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 4
Copyright
2000
Rev. 0.3m, 2005-04-12
WWW
.Microse
m
i
.CO
M
LX1672
Multiple Output LoadSHARE PWM
PRELIMINARY DATA SHEET
TM
ELECTRI CAL CHA RACTERI S TI CS
Unless otherwise specified, the following specifications apply over the operating ambient temperature 0°C
≤ TA ≤ 70°C except where
otherwise noted and the following test conditions: VCC = 5V, VCCL = 5V, VCX = 12V, HOX = LOX = 3000pF Load.
LX1672
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
SWITCHING REGULATORS
Input Voltage
VCC
4.5
5.5
V
Input Voltage
VCCL, VCX
16
V
Operation Current
ICC
Static and Dynamic
10
mA
TA = 25°C
0.792
0.8
0.808
Reference Voltage
VSS
0°C < TA < 70°C
0.784
0.816
V
Line Regulation (Note 2)
-1
1
%
Load Regulation (Note 2)
-1
1
%
Minimum Pulse Width
TSSOP Package
250
nS
Minimum Pulse Width
MLPQ PAckage
150
nS
Maximum Duty Cycle
LX1672-03 Load = 3000pF
85
%
Maximum Duty Cycle
LX1672-05 Load = 3000pF
75
%
Maximum Duty Cycle
LX1672-06 Load = 3000pF
70
%
ERROR AMPLIFIERS
Input Offset Voltage
Vos
Common Mode Input Voltage = 1V
-6.0
6.0
mV
DC Open Loop Gain
70
dB
Unity Gain Bandwidth
UGBW
16
MHz
High Output Voltage
VOH
I Source = 2mA
3.8
5
V
Low Output Voltage
VOL
I Sink = 10uA
100
mV
Input Common Mode Range
Input Offset Voltage < 20mV
.1
3.5
V
Input Bias Current
IIN
0 and 3.5 V Common Mode Input Voltage
100
nA
CURRENT SENSE
Current Sense Bias Current
ISET
VCSX = VVSX – 0.3V , VVSX = 5V
45
50
55
A
Trip Threshold
VTRIP
Referenced to VSX , VVSX = 5V
260
300
340
mV
Current Sense Delay
TCSD
350
nS
Current Sense Comparator
Operating Current
ICSX
Current into VSX pins
2
5
mA
OUTPUT DRIVERS – N-CHANNEL MOSFETS
Low Side Driver Operating Current
IVCCL
Static
2.5
mA
High Side Driver Operating Current
IVCX
Static
3
mA
Drive Rise Time, Fall Time
TRF
CL = 3000pF
50
nS
High Level Output Voltage
VDH
ISOURCE = 20mA, VCCL = 12V
10
11
V
Low Level Output Voltage
VDL
ISINK = 20mA, VCCL = 12V
0.15
0.25
V
OSCILLATOR
PWM Switching Frequency
LX1672-03
255
300
345
KHz
PWM Switching Frequency
LX1672-05
425
500
575
KHz
PWM Switching Frequency
FSW
LX1672-06
510
600
690
KHz
Ramp Amplitude
VRAMP
1.25
VPP
EE
LL
EE
CC
TT
RR
IICC
AA
LL
SS
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PDF描述 |
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| LX1673-03CPWTR | 1 A SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO20 |
| LX1673-03CLQTR | 1 A SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PQCC20 |
| LX1673-09CPWTR | 1 A SWITCHING CONTROLLER, 1035 kHz SWITCHING FREQ-MAX, PDSO20 |
| LX1673-06CLQ | 1 A SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PQCC20 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LX1672-03CLQ-TR | 制造商:Microsemi Corporation 功能描述:MOSFET DRVR 0.8V 1A 3-OUT Hi/Lo Side Half Brdg Non-Inv 38-Pin MLPQ T/R |
| LX1672-03CPW | 功能描述:IC REG CTRLR BUCK PWM VM 28TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:LoadSHARE™ 特色產(chǎn)品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 標(biāo)準(zhǔn)包裝:1 系列:PowerWise® PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.5 V ~ 18 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-5°C ~ 125°C 封裝/外殼:32-WFQFN 裸露焊盤 包裝:Digi-Reel® 產(chǎn)品目錄頁面:1303 (CN2011-ZH PDF) 其它名稱:LM3754SQDKR |
| LX1672-03CPW-TR | 制造商:Microsemi Corporation 功能描述:MOSFET DRVR 0.8V 1A 3-OUT HI/LO SIDE HALF BRDG NON-INV 28TSS - Tape and Reel |
| LX1672-05CPW | 功能描述:IC REG CTRLR BUCK PWM VM 28TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:LoadSHARE™ 特色產(chǎn)品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 標(biāo)準(zhǔn)包裝:1 系列:PowerWise® PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.5 V ~ 18 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-5°C ~ 125°C 封裝/外殼:32-WFQFN 裸露焊盤 包裝:Digi-Reel® 產(chǎn)品目錄頁面:1303 (CN2011-ZH PDF) 其它名稱:LM3754SQDKR |
| LX1672-05CPW-TR | 制造商:Microsemi Corporation 功能描述:MOSFET DRVR 0.8V 1A 3-OUT HI/LO SIDE HALF BRDG NON-INV 28TSS - Tape and Reel |
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