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參數資料
型號: LM3352MTCX-2.5
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩壓器
英文描述: Regulated 200 mA Buck-Boost Switched Capacitor DC/DC Converter
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: 1/11頁
文件大小: 516K
代理商: LM3352MTCX-2.5
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
相關PDF資料
PDF描述
LM3352MTCX-3.3 Regulated 200 mA Buck-Boost Switched Capacitor DC/DC Converter
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相關代理商/技術參數
參數描述
LM3352MTCX-3.0 功能描述:IC REG MULTI CONFIG 3V 16-TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:降壓(降壓) 輸出類型:固定 輸出數:1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:125mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 包裝:Digi-Reel® 供應商設備封裝:SOT-6 其它名稱:MAX1836EUT33#TG16DKR
LM3352MTCX-3.3 功能描述:IC REG MULTI CONFIG 16-TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:降壓(降壓) 輸出類型:固定 輸出數:1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:125mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 包裝:Digi-Reel® 供應商設備封裝:SOT-6 其它名稱:MAX1836EUT33#TG16DKR
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,開發系統 >> 評估板 - DC/DC 與 AC/DC(離線)SMPS 系列:- 產品培訓模塊:Obsolescence Mitigation Program 標準包裝: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 穩壓器拓撲結構:升壓 頻率 - 開關: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
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