L4955V51中文資料意法半導(dǎo)體數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)
L4955V51規(guī)格書(shū)詳情
DESCRIPTION
The L4955 is a family of monolithic ultra very low drop linear regulators designed to supply the most recent microprocessors.
The dropout voltage is only 0.75V (Typ.) at 5A, directly dependent on the output current conditions. Realized in BCDII technology, it has on board a charge pump to properly drive an N-channel power mos Transistor with 150m? of RDSON.
It operates from a 4.5V minimum supply, with a very low quiescent current irrespective of the load; a minimum of 22μF output capacitor is required for stability.
The on-chip trimming techniques improve the precision of the available output voltages to ±2.
■ UP TO 5A OUTPUT CURRENT
■ ±2 PRECISE OUTPUT VOLTAGES
■ FAST TRANSIENT RESPONSE
■ 0.75V TYP. DROP OUT VOLTAGE AT 5A
■ OPERATING INPUT VOLTAGEFROM 4.5V
■ ADJUSTABLE VERSION:
? VO = 1.26V
? INHIBIT (IQ = 120μA TYP.)
? POWER GOOD
? PROGRAMMABLE CURRENT LIMIT
? HEPTAWATT PACKAGE
■ FIXED VERSION:
? 3.3V, 5.1V OUTPUTS
? VERSAWATT PACKAGE
VERY LOW QUIESCENT CURRENT
SHORT CIRCUIT PROTECTION (Foldback function)
THERMAL SHUTDOWN
APPLICATIONS
■ PENTIUM? AND POWER PC? SUPPLIES
■ POST REGULATOR FOR SMPS
■ LOW COST SOLUTION FOR 5V TO 3.3V CONVERSION
■ LOW COST BATTERY CHARGER
■ CONSTANT CURRENT REGULATOR
■ SUITABLE FOR APPLICATION WITH STANDBY FEATURE
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
ST |
20+ |
TO220-7 |
38560 |
原裝優(yōu)勢(shì)主營(yíng)型號(hào)-可開(kāi)原型號(hào)增稅票 |
詢(xún)價(jià) | ||
ST |
2020+ |
TO-252 |
80000 |
只做自己庫(kù)存,全新原裝進(jìn)口正品假一賠百,可開(kāi)13%增 |
詢(xún)價(jià) | ||
ST/意法 |
23+ |
D2PAKTO220BIC. |
13000 |
原廠授權(quán)一級(jí)代理,專(zhuān)業(yè)海外優(yōu)勢(shì)訂貨,價(jià)格優(yōu)勢(shì)、品種 |
詢(xún)價(jià) | ||
ST/意法 |
22+ |
SOT-263 |
20000 |
保證原裝正品,假一陪十 |
詢(xún)價(jià) | ||
STMicroelectronics |
18+ |
ICREGLDO1.5V5AD2PAK |
6800 |
公司原裝現(xiàn)貨 |
詢(xún)價(jià) | ||
ST/意法 |
23+ |
TO-2207 |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢(xún)價(jià) | ||
SGS |
2016+ |
ROHS |
5632 |
只做進(jìn)口原裝正品!現(xiàn)貨或者訂貨一周貨期!只要要網(wǎng)上有 |
詢(xún)價(jià) | ||
ST |
21+ |
D2PAK |
13880 |
公司只售原裝,支持實(shí)單 |
詢(xún)價(jià) | ||
STM |
23+ |
TO-263-3 |
33500 |
原裝正品現(xiàn)貨庫(kù)存QQ:2987726803 |
詢(xún)價(jià) | ||
STMicroelectronics |
24+ |
TO-263-3 D?Pak(2 引線 + 接片 |
9350 |
獨(dú)立分銷(xiāo)商 公司只做原裝 誠(chéng)心經(jīng)營(yíng) 免費(fèi)試樣正品保證 |
詢(xún)價(jià) |
