參數(shù)資料
型號(hào)： RR0816P-563-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)： 17/36頁(yè)
文件大?。?/td> 380K
代理商： RR0816P-563-D
MB39A104
17
I
ABOUT TIMER-LATCH PROTECTION CIRCUIT
1.
Setting Timer-Latch Overcurrent Protection Detection Current
The overcurrent protection circuit is actuated upon completion of the soft-start period. When an overcurrent
flows, the circuit detects the increase in the voltage between the FET’s drain and source using the external FET
ON resistor (R
ON
), actuates the timer circuit, and starts charging the capacitor C
SCP
connected to the CSCP
terminal (pin 8). If the overcurrent remains flowing beyond the predetermined period of time, the circuit sets the
latch to fix OUT terminals (pin 3, 22) at “H” level and turn off the external FET. The detection current value can
be set by the resistors (R
LIM1
and R
LIM2
) connected between the FET’s drain and the ILIM1 terminal (pin 5) and
between the drain and the ILIM2 terminal (pin 20), respectively.
The internal current (I
LIM
) can be set by the timing resistor (R
T
) connected to the RT terminal (pin 12).
Time until activating timer circuit and setting latch is equal to short-circuit detection time in "2. Setting Time
Constant for Timer-Latch Short-Circuit Protection Circuit".
Internal current value: I
LIM
Detection current value: I
OCP
R
LIM
: Overcurrent detection resistor
R
ON
: External FET ON resistor
V
IN
: Input voltage
V
O
: DC/DC converter output voltage
f
OSC
: Oscillation frequency
L
: Coil inductance
To reset the actuated protection circuit, either the power supply turn off and on again or set the CTL terminal
(pin 24) to the "L" level to lower the VREF terminal (pin 17) voltage to 2.4 V (Min) or less.
I
LIM
(
μ
A) :
2700
R
T
(k
)
I
OCP
(A) :
I
LIM
(A)
×
R
LIM
(
)
R
ON
(
)
(V
IN
(V)
V
O
(V))
×
V
O
(V)
2
×
V
IN
(V)
×
f
OSC
(Hz)
×
L(H)
+
8
20
5
4
21
CSCP
Current
Protection
Logic
(1
μ
A)
VREF
UVLO
S
Latch
R
ILIM1
(R
LIM
)
(ILIM2)
VS1
(VS2)
V
IN
Q1
L
V
O
Each
Channel
Drive
Overcurrent detection circuit
相關(guān)PDF資料
PDF描述
RR0816P-683-D 2-ch DC/DC Converter IC
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RS-485 RS-422 AND RS-485 APPLICATION NOTE
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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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RR0816P-563-D-T5 制造商:Susumu Co Ltd 功能描述:Cut Tape
RR0816P-5760-B-T5-74A 制造商:Susumu Co Ltd 功能描述:Thin Film Chip Resistors 0603 size, 1/16W, 576 ohm, 0.1%, 25ppm
RR0816P-5760-D-74A 功能描述:薄膜電阻器 - SMD 1/16W 576ohm 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-5761-D-74H 功能描述:薄膜電阻器 - SMD 1/16W 5.76Kohm 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-5762-B-T5-74C 功能描述:RES 57.6K 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)品目錄繪圖:RR Series Top, Side RR Series Thin Film Current Flow Thick Film Current Flow 標(biāo)準(zhǔn)包裝:200 系列:RR 電阻（歐姆）:18.2k 功率（瓦特）:0.1W，1/10W 復(fù)合體:薄膜 特點(diǎn):- 溫度系數(shù):±25ppm/°C 容差:±0.1% 封裝/外殼:0805（2012 公制） 尺寸/尺寸:0.079" L x 0.049" W（2.00mm x 1.25mm） 高度:0.020"（0.50mm） 端子數(shù):2 包裝:剪切帶 (CT) 工具箱:RR1220PB-3-KIT-ND - KIT RES 50 VAL 10 EA 1/10W 0805 其它名稱:RR12P18.2KBCT
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