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參數資料
| 型號： | RR0816P-154-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： | 19/36頁 |
| 文件大小： | 380K |
| 代理商： | RR0816P-154-D |
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MB39A104
19
2.
Setting Time Constant for Timer-Latch Short-Circuit Protection Circuit
Each channel uses the short-circuit detection comparator (SCP Comp.) to always compare the error amplifier
′
s
output level to the reference voltage (3.1 V Typ).
While DC/DC converter load conditions are stable on all channels, the short-circuit detection comparator output
remains at “L” level, and the CSCP terminal (pin 8) is held at “L” level.
If the load condition on a channel changes rapidly due to a short-circuit of the load, causing the output voltage
to drop, the output of the short-circuit detection comparator goes to “H” level. This causes the external short-
circuit protection capacitor C
SCP
connected to the CSCP terminal to be charged at 1
μ
A.
Short-circuit detection time (t
SCP
)
t
SCP
(s) : 0.73
×
C
SCP
(
μ
F)
When the capacitor C
SCP
is charged to the threshold voltage (V
TH
: 0.73 V), the latch is set and the external
FET is turned off (dead time is set to 100%). At this time, the latch input is closed and the CSCP terminal is
held at “L” level. If a short-circuit is detected on either of the two channels, both channels are shut off.
When the power supply is turned on back or VREF terminal (pin 17) voltage is less than 2.4 V (Min) by setting
CTL terminal (pin 24) to “L” level, the latch is released.
+
+
+
8
10
15
V
O
R1
R2
(
INE2)
INE1
9
16
(FB2)
FB1
CSCP
Error
Amp
SCP
Comp.
(3.1 V)
(1.24 V)
(1
μ
A)
VREF
UVLO
S
Latch
R
To each channel
Drive
Timer-latch short-circuit protection circuit
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相關代理商/技術參數 |
參數描述 |
|---|---|
| RR0816P-154-D-C | 制造商:Susumu 功能描述:Resistor,Thin Film,SMD,1608,150K |
| RR0816P-1580-D-20A | 功能描述:薄膜電阻器 - SMD 1/16W 158ohm 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-1581-B-T5-20H | 功能描述:RES 1.58K OHM 1/16W .1% 0603 SMD RoHS:是 類別:電阻器 >> 芯片電阻 - 表面安裝 系列:RR 產品目錄繪圖:RR Series Top, Side RR Series Thin Film Current Flow Thick Film Current Flow 標準包裝:200 系列:RR 電阻（歐姆）:3.92k 功率（瓦特）:0.063W，1/16W 復合體:薄膜 特點:- 溫度系數:±25ppm/°C 容差:±0.1% 封裝/外殼:0603（1608 公制） 尺寸/尺寸:0.063" L x 0.031" W（1.60mm x 0.80mm） 高度:0.020"（0.50mm） 端子數:2 包裝:剪切帶 (CT) 工具箱:RR0816PB-3-KIT-ND - KIT RES 50 VAL 10 EA 1/16W 0603 其它名稱:RR08P3.92KBCT |
| RR0816P-1581-D-20H | 功能描述:薄膜電阻器 - SMD 1/16W 1.58Kohm 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-1582-D-20C | 功能描述:薄膜電阻器 - SMD 1/16W 15.8Kohm 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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