參數(shù)資料
型號(hào)： LM2650MX-ADJ
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： Synchronous Step-Down DC/DC Converter
中文描述： 7.5 A SWITCHING REGULATOR, 370 kHz SWITCHING FREQ-MAX, PDSO24
封裝： SOP-24
文件頁(yè)數(shù)： 9/11頁(yè)
文件大?。?/td> 215K
代理商： LM2650MX-ADJ
Application Circuits
(Continued)
TABLE 1. Components for the Typical 90 kHz Application Circuit
Input Voltage
Applicable Cell Stacks
7V to 18V IN
8 to 12 Cell NiCd or NiMh, 3 to 4 Cell Li Ion, 8 to 11 Cell Alkaline, 6 Cell
Lead Acid
5V, 3A Out
2 x 22 μF, 35V AVX TPS
Series or Sprague 593D Series
40μH (See Table 2)
3x220 μF, 10V AVX TPS
Series or Sprague 593D Series
R1 = 75k
, 1%,
R2 = 24.9k
, 1%,
R
C
= 37.4 k
,
C
C
= 4.7 nF,
R
3
= 3.57 k
,
C
10
= 5.6 nF
R
SIA
= 33 k
,
R
SOA
= 200 k
Output
3.3V, 3A out
2 x 22 μF, 35V AVX TPS
Series or Sprague 593D Series
33μH (See Table 2)
3x220 μF, 10V AVX TPS
Series or Sprague 593D Series
R1 = 41.2k
, 1%,
R2 = 24.9k
, 1%,
R
C
= 23.2 k
,
C
C
= 8.2 nF,
R
3
= 2.0 k
,
C
10
= 10 nF
R
SIA
= 39 k
,
R
SOA
= 130 k
Input Capacitor C
IN
Inductor L1
Output Capacitor C
OUT
Feedback Resistors R1
and R2
Compensation
Components R
C
, C
C
, R
3
,
and C
10
Sleep Resistors R
SIA
and R
SOA
TABLE 2. Toroidal Inductors Using Cores from MICROMETALS, INC.
Core
Number
T38
T38
T50
T50 (B)
Core
Material
52
52
52
18
Wire
Gauge
AWG
#
23
AWG
#
23
AWG
#
21
AWG
#
21
Number of
Strands
1
1
1
1
Number of
Turns
21
25
41
41
15μH
20μH
33μH
40μH
MICROMETALS
5615 E. La Palma Ave. Anaheim, CA 92807 USA (800) 356-5977
TABLE 3. Components for Typical 200 kHz Applications
Input Voltage
Applicable Cell Stacks
7V to 18V IN
8 to 12 Cell NiCd or NiMh, 3 to 4 Cell Li Ion, 8 to 11 Cell Alkaline, 6 Cell
Lead Acid
5V, 3A Out
2 x 22 μF, 35V AVX TPS
Series or Sprague 593D Series
20μH (See Table 2)
3x220 μF, 10V AVX TPS
Series or Sprague 593D Series
R1 = 75k
, 1%,
R2 = 24.9k
, 1%,
R
C
= 53.6 k
,
C
C
= 2.7 nF,
R
3
= 4.02 k
,
C
10
= 4.7 nF
R
SIA
= 33 k
,
R
SOA
= 200 k
R
FA
= 24.9 k
Output
3.3V, 3A out
2 x 22 μF, 35V AVX TPS
Series or Sprague 593D Series
15μH (See Table 2)
3x220 μF, 10V AVX TPS
Series or Sprague 593D Series
R1 = 41.2k
, 1%,
R2 = 24.9k
, 1%,
R
C
= 33.2 k
,
C
C
= 3.9 nF,
R
3
= 3.01 k
,
C
10
= 6.8 nF
R
SIA
= 47 k
,
R
SOA
= 91 k
R
FA
= 24.9 k
Input Capacitor C
IN
Inductor L1
Output Capacitor C
OUT
Feedback Resistors R1
and R2
Compensation
Components R
C
, C
C
, R
3
,
and C
10
Sleep Resistors R
SIA
and R
SOA
Frequency Adjusting
Resistor R
FA
L
www.national.com
9
相關(guān)PDF資料
PDF描述
LM2685MTCX DC-to-DC Voltage Converter
LM2686
LM2686MTC DC-to-DC Voltage Converter
LM2686MTCX DC-to-DC Voltage Converter
LM2687
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2650MX-ADJ/NOPB 功能描述:DC/DC 開(kāi)關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
LM2651 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:
LM2651_05 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:1.5A High Efficiency Synchronous Switching Regulator
LM2651-3.3EVAL 功能描述:EVALUATION BOARD FOR LM2651-3.3 RoHS:是 類(lèi)別:編程器，開(kāi)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(lèi)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(kāi)關(guān):3MHz 板類(lèi)型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
LM2651-3.3EVAL/NOPB 功能描述:電源管理IC開(kāi)發(fā)工具 EVAL BOARDFOR LM2651 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*