參數(shù)資料
型號(hào)： C1608JB1H102K
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)： 14/36頁(yè)
文件大?。?/td> 380K
代理商： C1608JB1H102K
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)
相關(guān)PDF資料
PDF描述
C1608JB1H104K 2-ch DC/DC Converter IC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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C1608JB1H103M080AA 制造商:TDK 功能描述:CAP CER 10000PF 50V 20% JB 0603
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