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參數(shù)資料
| 型號： | RR0816P-683-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 |
| 文件頁數(shù)： | 18/36頁 |
| 文件大?。?/td> | 380K |
| 代理商： | RR0816P-683-D |
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MB39A104
18
Overcurrent Protection Circuit: Range of Operation
When an overcurrent flow occurs, if the increased voltage between the drain and source of the FET is detected
by means of the external FET (Q1) resistor, operational stability is lost when the external FET (Q1) ON interval
determined by the oscillation frequency, input voltage, and output voltage falls below 450 ns.
Therefore, the circuit should be used within a range that ensures that the ON interval does not fall below 450ns,
according to the following formula.
V
O
(V)
V
IN
(V)
×
f
OSC
(Hz)
If the ON interval of the external FET (Q1) is below 450ns, we recommend the use of an overcurrent detection
resistor RS to detect overcurrent, as shown below.
This example shows the range of operation of the overcurrent detection function with a setting of Vo = 3.3V.
ON interval 450 (ns)
≥
+
20
5
4
21
ILIM1
(ILIM2)
VS1
(VS2)
V
IN
ErrAmp
Q1
(Rs)
1600
1400
1200
1000
800
400
200
0
6
8
10
12
VCC (V)
14
f
O
16
18
20
Overcurrent Detection Function Operating Range
V
O
=
set to 3.3 V
Operation Range
Method to detect by current when external FET(Q1) is turned on
Connect to RS
when
using RS
+
20
5
4
21
ILIM1
(ILIM2)
VS1
(VS2)
VIN
R
S
ErrAmp
Q1
1600
1400
1200
1000
800
600
400
200
0
6
8
10
12
VCC (V)
14
f
O
16
18
20
Overcurrent Detection Function Operating Range
V
O
=
set to 3.3 V
Operation Range
Method to detect by mean current
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PDF描述 |
|---|---|
| RS-422 | RS-422 AND RS-485 APPLICATION NOTE |
| RS-485 | RS-422 AND RS-485 APPLICATION NOTE |
| RS-MK-X2010 | High Integrity FM Transceiver |
| RS3FS | SDR Cable Assembly; Connector Type A:micro D Ribbon Plug; Connector Type B:micro D Ribbon Plug; Cable Length:2m; No. of Contacts:26; Pitch Spacing:0.8mm RoHS Compliant: Yes |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RR0816P-683-D-C | 制造商:Susumu 功能描述:Resistor,Thin Film,SMD,1608,68K |
| RR0816P-6980-D-82A | 功能描述:薄膜電阻器 - SMD 1/16W 698ohm 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-6981-D-82H | 功能描述:薄膜電阻器 - SMD 1/16W 6.98Kohm 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-6982-D-82C | 功能描述:薄膜電阻器 - SMD 1/16W 69.8Kohm 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-7150-D-83A | 功能描述:薄膜電阻器 - SMD 1/16W 715ohm 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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