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參數(shù)資料
| 型號(hào)： | LX1673-06CLQ |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PQCC20 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MLPQ-20 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 286K |
| 代理商： | LX1673-06CLQ |
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 11
Copyright
2004
Rev 1.0, 3/18/2005
WWW
.Microse
m
i
.CO
M
LX1673
High Frequency PWM Regulator
PRODUCTION DATA SHEET
TM
APPLICATION NOTE C ONSIDE R A T IONS
1. The minimum RSET resistor value is 1k ohm for the current
limit sensing. If this resistor becomes shorted, it will do
permanent damage to the IC.
2. A resistor has been put in series with the gate of the LDO
pass transistor to reduce the output noise level. The resistor
value can be changed to optimize the output transient
response versus output noise.
3. To delay the turn on of the LDO controller output, a
capacitor should be connected between the LDDIS pin and
the +5volts.
The LDDIS input has a 100K pull down
resistor, which keeps the LDO active until this pin is pulled
high. During the power up sequence the capacitor connected
to the LDDIS pin will keep the LDO off until this capacitor,
being charge by the 100K pull down resistor, goes through
the low input threshold level.
4.
. If current limit is not used connect the VS and VC pins
together and to VCC. Do not leave them floating. A floating VS
pin will result in operation resembling a hiccup condition.
AA
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LX1673-06CLQ-TR | 制造商:Microsemi Corporation 功能描述:VOLT MODE PWM CNTRLR 0.8V TO 5.5V 1A 20MLPQ - Tape and Reel |
| LX1673-06CPW | 功能描述:IC REG DL BCK/LINEAR 20TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 拓?fù)?降壓（降壓）同步（3），線性（LDO）（2） 功能:任何功能 輸出數(shù):5 頻率 - 開關(guān):300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動(dòng)器:無 帶監(jiān)控器:無 帶序列發(fā)生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* |
| LX1673-06CPW-TR | 制造商:Microsemi Corporation 功能描述:VOLT MODE PWM CNTRLR 0.8V TO 5.5V 1A 20TSSOP - Tape and Reel |
| LX1673-09CLQ | 功能描述:IC REG DL BCK/LINEAR SYNC 20MLPQ RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 拓?fù)?降壓（降壓）同步（2），線性（LDO）（1） 功能:任何功能 輸出數(shù):3 頻率 - 開關(guān):300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動(dòng)器:無 帶監(jiān)控器:無 帶序列發(fā)生器:是 電源電壓:4.5 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:28-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:* 包裝:帶卷 (TR) 其它名稱:ISL6402IVZ-TTR |
| LX1673-09CLQ-TR | 制造商:Microsemi Corporation 功能描述:VOLT MODE PWM CNTRLR 0.8V TO 5.5V 1A 20MLPQ - Tape and Reel |
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