參數(shù)資料
型號(hào): TC1264-3.0VEB
元件分類(lèi): 固定正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器
英文描述: 3 V FIXED POSITIVE LDO REGULATOR, 1.3 V DROPOUT, PSSO3
封裝: D2PAK-3
文件頁(yè)數(shù): 4/8頁(yè)
文件大?。?/td> 55K
代理商: TC1264-3.0VEB
4
TC1264
800mA Fixed Output CMOS LDO
TC1264-4 3/28/00
Equation 1 can be used in conjunction with Equation 2
to ensure regulator thermal operation is within limits. For
example:
GIVEN:
V
INMAX
= 3.3V
±
10%
V
OUTMIN
= 2.7V
±
0.5%
I
LOADMAX
= 275mA
T
JMAX
= 125
°
C
T
AMAX
= 95
°
C
JA
= 59
°
C/W (SOT-223)
FIND:
1. Actual power dissipation
2. Maximum allowable dissipation
Actual power dissipation:
P
D
(V
INMAX
– V
OUTMIN
)I
LOADMAX
= [(3.3 x 1.1) – (2.7 x .995)]275 x 10
-3
= 260mW
Maximum allowable power dissipation:
P
D
MAX
= (T
JMAX
– T
AMAX
)
JA
=
(125 – 95)
59
=
508mW
In this example, the TC1264 dissipates a maximum of
only 260mW; far below the allowable limit of 508mW. In a
similar manner, Equation 1 and Equation 2 can be used to
calculate maximum current and/or input voltage limits. For
example, the maximum allowable V
IN
is found by substitut-
ing the maximum allowable power dissipation of 508mW
into Equation 1, from which V
INMAX
= 4.6V.
相關(guān)PDF資料
PDF描述
TC1264-1.8VEBRT 1.8 V FIXED POSITIVE LDO REGULATOR, 1.4 V DROPOUT, PSSO3
TC1264-1.8VEBTR 1.8 V FIXED POSITIVE LDO REGULATOR, 1.4 V DROPOUT, PSSO3
TC1264-1.8VEB 1.8 V FIXED POSITIVE LDO REGULATOR, 1.4 V DROPOUT, PSSO3
TC1264-2.5VAB 2.5 V FIXED POSITIVE LDO REGULATOR, 1.3 V DROPOUT, PSFM3
TC1264-2.5VDBRT 2.5 V FIXED POSITIVE LDO REGULATOR, 1.3 V DROPOUT, PSSO3
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TC126433VAB 制造商:TELCOM 功能描述:*
TC1265 功能描述:鋁質(zhì)電解電容器 - 帶引線 100uF 250V RoHS:否 制造商:Kemet 引線類(lèi)型: 電容:220 uF 容差:20 % 電壓額定值:25 V 工作溫度范圍: 端接類(lèi)型:Radial 外殼直徑:8 mm 外殼長(zhǎng)度:11 mm 引線間隔:5 mm 產(chǎn)品:General Purpose Electrolytic Capacitors 封裝:Bulk
TC1265_06 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:800 mA Fixed-Output CMOS LDO with Shutdown
TC126501ECTTR 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 PFM Step-up DC/DC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
TC126503ECT 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:PFM Step-Up DC/DC Regulators