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參數資料
型號: RR0816P-272-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/直流轉換器集成電路
文件頁數: 24/36頁
文件大小: 380K
代理商: RR0816P-272-D
MB39A104
24
I
SELECTION OF COMPONENTS
Pch MOS FET
The P-ch MOSFET for switching use should be rated for at least 20% more than the maximum input voltage. To
minimize continuity loss, use a FET with low R
DS(ON)
between the drain and source. For high input voltage and
high frequency operation, on/off-cycle switching loss will be higher so that power dissipation must be considered.
In this application, the Toshiba TPC8102 is used. Continuity loss, on/off switching loss, and total loss are deter-
mined by the following formulas. The selection must ensure that peak drain current does not exceed rated values,
and also must be in accordance with overcurrent detection levels.
Continuity loss : P
C
P
C
=
I
D 2
×
R
DS (ON)
×
Duty
On-cycle switching loss : P
S (ON)
V
D (Max)
×
I
D
×
tr
×
f
OSC
Off-cycle switching loss : P
S (OFF)
V
D (Max)
×
I
D (Max)
×
tf
×
f
OSC
Total loss : P
T
P
T
=
P
C
+
P
S (ON)
+
P
S (OFF)
Example: Using the Toshiba TPC8102
CH1
Input voltage V
IN (Max)
=
19 V, output voltage V
O
=
5 V, drain current I
D
=
3 A, Oscillation frequency f
OSC
=
500 kHz,
L
=
15
μ
H, drain-source on resistance R
DS (ON)
: 50 m
, tr
=
tf : 100 ns.
Drain current (Max) : I
D (Max)
Drain current (Min) : I
D (Min)
P
S (ON)
=
6
P
S (OFF)
=
6
I
D (Max)
=
I
O
+
V
IN
V
O
2L
19
5
2
×
15
×
10
6
ton
=
3
+
×
1
×
0.263
500
×
10
3
: 3.25 (A)
I
D (Min)
=
I
O
V
IN
V
O
2L
19
5
2
×
15
×
10
6
ton
=
3
×
1
×
0.263
500
×
10
3
: 2.75 (A)
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相關代理商/技術參數
參數描述
RR0816P-273-B-T5 功能描述:RES 27.0K OHM 1/16W .1% 0603 SMD RoHS:是 類別:電阻器 >> 芯片電阻 - 表面安裝 系列:RR 產品培訓模塊:CRCW-HP Thick Film Chip Resistors 產品目錄繪圖:CRCW-HP-402, 603, 805, 1206, 2010, 2512 Top CRCW HP 402, 603, 805, 1206, 2010, 2512 Side 標準包裝:5,000 系列:CRCW-HP - 汽車 電阻(歐姆):255k 功率(瓦特):0.25W,1/4W 復合體:厚膜 特點:脈沖耐受 溫度系數:±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:2 包裝:帶卷 (TR)
RR0816P-273-B-T5 制造商:Susumu Co Ltd 功能描述:Thin Film Chip Resistor
RR0816P-273-D 功能描述:薄膜電阻器 - SMD 1/16W 27Kohm 0.5% 25ppm RoHS:否 制造商:AVX 電阻:50 Ohms 容差:2 % 溫度系數: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-2740-D-43A 功能描述:薄膜電阻器 - SMD 1/16W 274ohm 0.5% 25ppm RoHS:否 制造商:AVX 電阻:50 Ohms 容差:2 % 溫度系數: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-2741-D-43H 功能描述:薄膜電阻器 - SMD 1/16W 2.74Kohm 0.5% 25ppm RoHS:否 制造商:AVX 電阻:50 Ohms 容差:2 % 溫度系數: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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