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参数资料
型号： NCV4275ADT50RKG
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, 5.0V, LDO w/Reset and Delay
中文描述： 5 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSSO4
封装： LEAD FREE, DPAK-5
文件页数： 4/19页
文件大小： 164K
代理商： NCV4275ADT50RKG
NCV4275A
http://onsemi.com
12
Thermal Model
A discussion of thermal modeling is in the ON Semiconductor web site: http://www.onsemi.com/pub/collateral/BR1487D.PDF.
Table 1. DPAK 5Lead Thermal RC Network Models
Drain Copper Area (1 oz thick)
168 mm2
736 mm2
168 mm2
736 mm2
(SPICE Deck Format)
Cauer Network
Foster Network
168 mm2
736 mm2
Units
Tau
Units
C_C1
Junction
Gnd
1.00E06
Ws/C
1.36E08
1.361E08
sec
C_C2
node1
Gnd
1.00E05
Ws/C
7.41E07
7.411E07
sec
C_C3
node2
Gnd
6.00E05
Ws/C
1.04E05
1.029E05
sec
C_C4
node3
Gnd
1.00E04
Ws/C
3.91E05
3.737E05
sec
C_C5
node4
Gnd
4.36E04
3.64E04
Ws/C
1.80E03
1.376E03
sec
C_C6
node5
Gnd
6.77E02
1.92E02
Ws/C
3.77E01
2.851E02
sec
C_C7
node6
Gnd
1.51E01
1.27E01
Ws/C
3.79E+00
9.475E01
sec
C_C8
node7
Gnd
4.80E01
1.018
Ws/C
2.65E+01
1.173E+01
sec
C_C9
node8
Gnd
3.740
2.955
Ws/C
8.71E+01
8.59E+01
sec
C_C10
node9
Gnd
10.322
0.438
Ws/C
sec
168 mm2
736 mm2
R’s
R_R1
Junction
node1
0.015
C/W
0.0123
C/W
R_R2
node1
node2
0.08
C/W
0.0585
C/W
R_R3
node2
node3
0.4
C/W
0.0304
0.0287
C/W
R_R4
node3
node4
0.2
C/W
0.3997
0.3772
C/W
R_R5
node4
node5
2.97519
2.6171
C/W
3.115
2.68
C/W
R_R6
node5
node6
8.2971
1.6778
C/W
3.571
1.38
C/W
R_R7
node6
node7
25.9805
7.4246
C/W
12.851
5.92
C/W
R_R8
node7
node8
46.5192
14.9320
C/W
35.471
7.39
C/W
R_R9
node8
node9
17.7808
19.2560
C/W
46.741
28.94
C/W
R_R10
node9
Gnd
0.1
0.1758
C/W
NOTE: Bold face items represent the package without the external thermal system.
Junction
R1
C1
C2
R2
C3
R3
Cn
Rn
Time constants are not simple RC products. Amplitudes
of mathematical solution are not the resistance values.
Ambient
(thermal ground)
Figure 26. Grounded Capacitor Thermal Network (“Cauer” Ladder)
Junction
R1
C1
C2
R2
C3
R3
Cn
Rn
Each rung is exactly characterized by its RCproduct
time constant; amplitudes are the resistances.
Ambient
(thermal ground)
Figure 27. NonGrounded Capacitor Thermal Ladder (“Foster” Ladder)
相关PDF资料
PDF描述
NCV4275TRKG 5 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSSO4
NCV4279A50D1G 5 V / 150 mA LDO w/ Reset, Delay, Adjustable Reset and Early Warning
NCV4279A50D1R2G 5 V / 150 mA LDO w/ Reset, Delay, Adjustable Reset and Early Warning
NCV4279CD1R2 5 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PDSO8
NCV4279CD1 5 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PDSO8
相关代理商/技术参数
参数描述
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
NCV4275DSR4G 功能描述:低压差稳压器 - LDO ANA 450 mA LDO REG 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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