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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: 14/36頁
文件大小: 380K
代理商: RR0816P-272-D
MB39A104
14
I
SETTING THE SOFT-START AND DISCHARGE TIMES
To prevent rush currents when the IC is turned on, you can set a soft-start by connecting soft-start capacitors
(C
S1
and C
S2
) to the CS1 terminal (pin 11) for channel 1 and the CS2 terminal (pin 14) for channel 2, respectively.
When CTL terminal (pin 24) goes to “H” level and IC starts (V
CC
UVLO threshold voltage), the external soft-
start capacitors (C
S1
and C
S2
) connected to CS1 and CS2 terminals are charged at 10
μ
A. The error amplifier
output (FB1 (pin 9) , FB2 (pin 16) ) is determined by comparison between the lower one of the potentials at two
non-inverted input terminals (1.24 V, CS1 terminal voltages) and the inverted input terminal voltage (
INE1 (pin
10) voltage,
INE2 (pin 15) voltage).
The FB1 (FB2) terminal voltage is decided for the soft-start period by the comparison between 1.24 V in an
internal reference voltage and the voltages of the CS1 (CS2) terminal. The DC/DC converter output voltage
rises in proportion to the CS1 (CS2) terminal voltage as the soft-start capacitor connected to the CS1 (CS2)
terminal is charged.
The soft-start time is obtained from the following formula:
Soft-start time: ts (time to output 100%)
ts (s) : 0.124
×
C
S
(
μ
F)
t
: 5 V
: 1.24 V
: 0 V
CS1 (CS2) terminal voltage
Error Amp block
INE1 (
INE2) voltage
Soft-start time (ts)
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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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