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参数资料
型号： NCV4275ADT33RKG
厂商： ON SEMICONDUCTOR
元件分类： 固定正电压单路输出LDO稳压器
英文描述： 450 mA, 3.3 V, LDO w/Reset and Delay
中文描述： 3.3 V FIXED POSITIVE LDO REGULATOR, 1.17 V DROPOUT, PSSO4
封装： LEAD FREE, DPAK-5
文件页数： 5/19页
文件大小： 164K
代理商： NCV4275ADT33RKG
NCV4275A
http://onsemi.com
13
Table 2. D2PAK 5Lead Thermal RC Network Models
Drain Copper Area (1 oz thick)
241 mm2
788 mm2
241 mm2
788 mm2
(SPICE Deck Format)
Cauer Network
Foster Network
241 mm2
653 mm2
Units
Tau
Units
C_C1
Junction
Gnd
1.00E06
Ws/C
1.361E08
sec
C_C2
node1
Gnd
1.00E05
Ws/C
7.411E07
sec
C_C3
node2
Gnd
6.00E05
Ws/C
1.005E05
1.007E05
sec
C_C4
node3
Gnd
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 mm2
653 mm2
R’s
R_R1
Junction
node1
0.015
0.0150
C/W
0.0123
C/W
R_R2
node1
node2
0.08
0.0800
C/W
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
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:
R(t) +
n
S
i + 1
Ri 1et taui
相关PDF资料
PDF描述
NCV4275ADT50RKG 450 mA, 5.0V, LDO w/Reset and Delay
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相关代理商/技术参数
参数描述
NCV4275ADT50RKG 功能描述:低压差稳压器 - LDO 450 mA LDO 5V RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
NCV4275ADT50RKG/H 制造商:ON Semiconductor 功能描述:
NCV4275DS 功能描述:低压差稳压器 - LDO 5V 450mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
NCV4275DSG 功能描述:低压差稳压器 - LDO 5V 450mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
NCV4275DSR4 功能描述:低压差稳压器 - LDO 5V 450mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
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