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參數(shù)資料
| 型號(hào)： | RR0816P-133-D |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2-ch DC/DC Converter IC |
| 中文描述： | 2通道直流/直流轉(zhuǎn)換器集成電路 |
| 文件頁(yè)數(shù)： | 26/36頁(yè) |
| 文件大小： | 380K |
| 代理商： | RR0816P-133-D |
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MB39A104
26
The above power dissipation figures for the TPC8102 are satisfied with ample margin at 2.4 W (Ta
=
+
25
°
C) .
Inductors
In selecting inductors, it is of course essential not to apply more current than the rated capacity of the inductor,
but also to note that the lower limit for ripple current is a critical point that if reached will cause discontinuous
operation and a considerable drop in efficiency. This can be prevented by choosing a higher inductance value,
which will enable continuous operation under light loads. Note that if the inductance value is too high, however,
direct current resistance (DCR) is increased and this will also reduce efficiency. The inductance must be set at
the point where efficiency is greatest.
Note also that the DC superimposition characteristics become worse as the load current value approaches the
rated current value of the inductor, so that the inductance value is reduced and ripple current increases, causing
loss of efficiency. The selection of rated current value and inductance value will vary depending on where the
point of peak efficiency lies with respect to load current.
Inductance values are determined by the following formulas.
The L value for all load current conditions is set so that the peak to peak value of the ripple current is 1/2 the
load current or less.
Inductance value : L
2 (V
IN
V
O
)
P
C
=
I
D 2
×
R
DS (ON)
×
Duty
=
3
2
×
0.05
×
0.174
: 0.078 W
P
S (ON)
=
V
D (Max)
×
I
D
×
tr
×
f
OSC
6
19
×
3
×
100
×
10
9
×
500
×
10
3
6
=
: 0.475 W
P
S (OFF)
=
V
D (Max)
×
I
D (Max)
×
tf
×
f
OSC
6
=
19
×
3.18
×
100
×
10
9
×
500
×
10
3
6
: 0.504 W
P
T
=
P
C
+
P
S (ON)
+
P
S (OFF)
: 0.078
+
0.475
+
0.504
: 1.057 W
L
≥
ton
I
O
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參數(shù)描述 |
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| RR0816P-134-B-T5 | 功能描述:RES 130K OHM 1/16W .1% 0603 SMD RoHS:是 類別:電阻器 >> 芯片電阻 - 表面安裝 系列:RR 產(chǎn)品培訓(xùn)模塊:CRCW-HP Thick Film Chip Resistors 產(chǎn)品目錄繪圖:CRCW-HP-402, 603, 805, 1206, 2010, 2512 Top CRCW HP 402, 603, 805, 1206, 2010, 2512 Side 標(biāo)準(zhǔn)包裝:5,000 系列:CRCW-HP - 汽車 電阻（歐姆）:255k 功率（瓦特）:0.25W，1/4W 復(fù)合體:厚膜 特點(diǎn):脈沖耐受 溫度系數(shù):±100ppm/°C 容差:±1% 封裝/外殼:0603（1608 公制） 尺寸/尺寸:0.063" L x 0.033" W（1.60mm x 0.85mm） 高度:0.022"（0.55mm） 端子數(shù):2 包裝:帶卷 (TR) |
| RR0816P134D | 制造商:Susumu 功能描述:RES 130K 0603 0.5% THIN FILM |
| RR0816P-134-D | 功能描述:薄膜電阻器 - SMD 1/16W 130Kohm 0.5% 25ppm RoHS:否 制造商:AVX 電阻:50 Ohms 容差:2 % 溫度系數(shù):150 PPM / C 封裝 / 箱體:2010 (5025 metric) 功率額定值:10 W 系列:RP9 電壓額定值: 工作溫度范圍:- 55 C to + 150 C 端接類型:SMD/SMT 尺寸:2.54 mm W x 5.08 mm L x 1.02 mm H 封裝:Reel |
| RR0816P-1370-D-14A | 功能描述:薄膜電阻器 - SMD 1/16W 137ohm 0.5% 25ppm RoHS:否 制造商:AVX 電阻:50 Ohms 容差:2 % 溫度系數(shù):150 PPM / C 封裝 / 箱體:2010 (5025 metric) 功率額定值:10 W 系列:RP9 電壓額定值: 工作溫度范圍:- 55 C to + 150 C 端接類型:SMD/SMT 尺寸:2.54 mm W x 5.08 mm L x 1.02 mm H 封裝:Reel |
| RR0816P-1371-D-14H | 功能描述:薄膜電阻器 - SMD 1/16W 1.37Kohm 0.5% 25ppm RoHS:否 制造商:AVX 電阻:50 Ohms 容差:2 % 溫度系數(shù):150 PPM / C 封裝 / 箱體:2010 (5025 metric) 功率額定值:10 W 系列:RP9 電壓額定值: 工作溫度范圍:- 55 C to + 150 C 端接類型:SMD/SMT 尺寸:2.54 mm W x 5.08 mm L x 1.02 mm H 封裝:Reel |
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