參數(shù)資料
型號(hào)： NCV4275DT
廠商： ON SEMICONDUCTOR
元件分類(lèi)： 基準(zhǔn)電壓源/電流源
英文描述： 5.0 V Low-Drop Voltage Regulator
中文描述： 5 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSSO4
封裝： DPAK-5
文件頁(yè)數(shù)： 7/12頁(yè)
文件大?。?/td> 80K
代理商： NCV4275DT
NCV4275
http://onsemi.com
7
Table 2. D
2
PAK 5Lead Thermal RC Network Models
Drain Copper Area (1 oz thick)
241 mm
2
788 mm
2
241 mm
2
788 mm
2
(SPICE Deck Format)
Cauer Network
241 mm
2
Foster Network
653 mm
2
Units
Tau
Tau
Units
C_C1
Junction
Gnd
1.00E06
1.00E06
Ws/C
1.361E08
1.361E08
sec
C_C2
node1
Gnd
1.00E05
1.00E05
Ws/C
7.411E07
7.411E07
sec
C_C3
node2
Gnd
6.00E05
6.00E05
Ws/C
1.005E05
1.007E05
sec
C_C4
node3
Gnd
1.00E04
1.00E04
Ws/C
3.460E05
3.480E05
sec
C_C5
node4
Gnd
2.82E04
2.87E04
Ws/C
7.868E04
8.107E04
sec
C_C6
node5
Gnd
5.58E03
5.95E03
Ws/C
7.431E03
7.830E03
sec
C_C7
node6
Gnd
4.25E01
4.61E01
Ws/C
2.786E+00
2.012E+00
sec
C_C8
node7
Gnd
9.22E01
2.05
Ws/C
2.014E+01
2.601E+01
sec
C_C9
node8
Gnd
1.73
4.88
Ws/C
1.134E+02
1.218E+02
sec
C_C10
node9
Gnd
7.12
1.31
Ws/C
sec
241 mm
2
653 mm
2
R’s
R’s
R_R1
Junction
node1
0.015
0.0150
C/W
0.0123
0.0123
C/W
R_R2
node1
node2
0.08
0.0800
C/W
0.0585
0.0585
C/W
R_R3
node2
node3
0.4
0.4000
C/W
0.0257
0.0260
C/W
R_R4
node3
node4
0.2
0.2000
C/W
0.3413
0.3438
C/W
R_R5
node4
node5
1.85638
1.8839
C/W
1.77
1.81
C/W
R_R6
node5
node6
1.23672
1.2272
C/W
1.54
1.52
C/W
R_R7
node6
node7
9.81541
5.3383
C/W
4.13
3.46
C/W
R_R8
node7
node8
33.1868
18.9591
C/W
6.27
5.03
C/W
R_R9
node8
node9
27.0263
13.3369
C/W
60.80
29.30
C/W
R_R10
node9
gnd
1.13944
0.1191
C/W
C/W
NOTE:
Bold face items represent the package without the external thermal system.
The Cauer networks generally have physical significance and may be divided between nodes to separate thermal behavior
due to one portion of the network from another. The Foster networks, though when sorted by time constant (as above) bear
a rough correlation with the Cauer networks, are really only convenient mathematical models. Cauer networks can be easily
implemented using circuit simulating tools, whereas Foster networks may be more easily implemented using mathematical
tools (for instance, in a spreadsheet program), according to the following formula:
n
1Ri1et taui
R(t)
i
相關(guān)PDF資料
PDF描述
NCV4276A 400 mA Low-Drop Voltage Regulator(400mA低壓降穩(wěn)壓器)
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參數(shù)描述
NCV4275DTRK 功能描述:低壓差穩(wěn)壓器 - LDO 5V 450mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
NCV4275DTRKG 功能描述:低壓差穩(wěn)壓器 - LDO 5V 450mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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