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參數(shù)資料
| 型號(hào)： | LM3352MTCX-3.0 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Reed Relay; Contacts:SPDT; Contact Carry Current:0.2A; Coil Voltage DC Max:5V; Relay Terminals:SMT J-Lead; Switching Current Max:0.1A; Switching Voltage Max:30V; Contact Carrying Power:3W; Leaded Process Compatible:Yes RoHS Compliant: Yes |
| 中文描述： | SWITCHED CAPACITOR REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 1.10 MM HEIGHT, TSSOP-16 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 516K |
| 代理商： | LM3352MTCX-3.0 |
LM3352
Regulated 200 mA Buck-Boost Switched Capacitor
DC/DC Converter
General Description
The LM3352 is a CMOS switched capacitor DC/DC con-
verter that produces a regulated output voltage by automati-
cally stepping up (boost) or stepping down (buck) the input
voltage. It accepts an input voltage between 2.5V and 5.5V.
The LM3352 is available in three standard output voltage
versions: 2.5V, 3.0V and 3.3V. If other output voltage options
between 1.8V and 4.0V are desired, please contact your Na-
tional Semiconductor representative.
The LM3352’s proprietary buck-boost architecture enables
up to 200 mA of load current at an average efficiency greater
than 80%. Typical operating current is only 400 μA and the
typical shutdown current is only 2.5 μA.
The LM3352 is available in a 16-pin TSSOP package. This
package has a maximum height of only 1.1 mm.
The high efficiency of the LM3352, low operating and shut-
down currents, small package size, and the small size of the
overall solution make this device ideal for battery powered,
portable, and hand-held applications.
Features
n
Regulated V
OUT
with
±
3% accuracy
n
Standard output voltage options: 2.5V, 3.0V and 3.3V
n
Custom output voltages available from 1.8V to 4.0V in
100 mV increments
n
2.5V to 5.5V input voltage
n
Up to 200 mA output current
n
>
80% average efficiency
n
Uses few, low-cost external components
n
Very small solution size
n
400 μA typical operating current
n
2.5 μA typical shutdown current
n
1 MHz switching frequency (typical)
n
Architecture and control methods provide high load
current and good efficiency
n
TSSOP-16 package
n
Over-temperature protection
Applications
n
1-cell Lilon battery-operated equipment including PDAs,
hand-held PCs, cellular phones
n
Flat panel displays
n
Hand-held instruments
n
NiCd, NiMH, or alkaline battery powered systems
n
3.3V to 2.5V and 5.0V to 3.3V conversion
Typical Operating Circuit
DS101037-1
September 1999
L
1999 National Semiconductor Corporation
DS101037
www.national.com
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參數(shù)描述 |
|---|---|
| LM3354 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Regulated 90mA Buck-Boost Switched Capacitor DC/DC Converter |
| LM3354-1.8EVAL | 功能描述:BOARD EVALUATION LM3354-1.8 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - DC/DC 與 AC/DC（離線）SMPS 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969 |
| LM3354-3.7 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM3354-3.7 Regulated 90mA Buck-Boost Switched Capacitor DC/DC Converter |
| LM3354-37 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Regulated 90mA Buck-Boost Switched Capacitor DC/DC |
| LM3354-4.1EVAL | 功能描述:BOARD EVALUATION LM3354-4.1 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - DC/DC 與 AC/DC（離線）SMPS 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969 |
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