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參數資料
型號: LM3352MTC-3.0
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: 9/11頁
文件大小: 516K
代理商: LM3352MTC-3.0
Filter Capacitor Selection
(Continued)
iii) C
FIL
A 1 μF, XR7 ceramic capacitor should be connected to pin
C
. This capacitor provides the filtering needed for the in-
ternal supply rail of the LM3352.
Of the different capacitor technologies, a sample of vendors
that have been verified as suitable for use with the LM3352
are shown in Table 2
TABLE 2. Capacitor Vendor Information
Manufacturer
Taiyo-yuden
AVX
Sprague/Vishay
Nichicon
Cornell-Dubilier (ESRD)
Sanyo (POSCAP)
Tel
Fax
Website
Ceramic
(408) 573-4150
(803) 448-9411
(207) 324-4140
(847) 843-7500
(508) 996-8561
(619) 661-6322
(408) 573-4159
(803) 448-1943
(207) 324-7223
(847) 843-2798
(508) 996-3830
(619) 661-1055
www.t-yuden.com
www.avxcorp.com
www.vishay.com
www.nichicon.com
www.cornell-dubilier.com
www.sanyovideo.com
Tantalum
Polymer Electrolytic
Maximum Available Output Current
The LM3352 cannot provide 200 mA under all V
and V
conditions. The V
vs V
graphs in the Typical Perfor-
mance Characteristics section show the minimum V
at
which the LM3352 is capable of providing different load cur-
rents while maintaining V
regulation. Refer to the Electri-
cal Characteristics for guaranteed conditions.
Maximum Load Under Start-Up
Due to the LM3352’s unique start-up sequence, it is not able
to start up under all load conditions. Starting with 45 mA or
less will allow the part to start correctly under any tempera-
ture or input voltage conditions. After the output is in regula-
tion, any load up to the maximum as specified in the Electri-
cal Characteristics may be applied. Using a Power On Reset
Typical Application Circuits
circuit, such as the LP3470, is recommended if greater start
up loads are expected. Under certain conditions the LM3352
can start up with greater load currents without the use of a
Power On Reset Circuit (See application note AN-1144:
Maximizing Startup Loads with the LM3352 Regulated
Buck/Boost Switched Capacitor Converter).
Thermal Protection
During output short circuit conditions, the LM3352 will draw
high currents causing a rise in the junction temperature.
On-chip thermal protection circuitry disables the charge
pump action once the junction temperature exceeds the
thermal trip point, and re-enables the charge pump when the
junction temperature falls back to a safe operating point.
DS101037-33
FIGURE 2. Basic Buck/Boost Regulator
www.national.com
9
相關PDF資料
PDF描述
LM3352MTC-3.3 ECONOLINE: RSS & RSD - 1kVDC and 3KVDC Isolation- Internal SMD Construction- UL94V-0 Package Material- Toroidal Magnetics- Efficiency to 85%- SMD5, SMD8, SMD10 and SMD12 case styles
LM3352 Regulated 200 mA Buck-Boost Switched Capacitor DC/DC Converter
LM3352MTC-2.5 Regulated 200 mA Buck-Boost Switched Capacitor DC/DC Converter
LM3352MTCX-2.5 Regulated 200 mA Buck-Boost Switched Capacitor DC/DC Converter
LM3352MTCX-3.3 Regulated 200 mA Buck-Boost Switched Capacitor DC/DC Converter
相關代理商/技術參數
參數描述
LM3352MTCX-2.5 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
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
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