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參數(shù)資料
| 型號(hào)： | AN8086 |
| 廠商： | Panasonic Corporation |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Low Voltage Operation IC for DC-DC Converter |
| 中文描述： | 低電壓直流運(yùn)行集成電路- DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/3頁 |
| 文件大?。?/td> | 43K |
| 代理商： | AN8086 |
ICs for CD/CD-ROM Player
AN8086S
I
Pin Description
Pin No.
Symbol
1
IN
Input pin for error amplifier
Threshold voltage ; 0.7V
2
FB
Output pin for error amplifier
Short-circuit protection input pin
If output of error amplifier does not become “L” when t
= CV
th
/I
SPRO
output of IC is not
switched.
I
SPRO
=25
μ
A
V
th
= 0.9V
3
SPRO
4
DED
5
OUT
Switching output pin
Output current ; I
O
=20mA (max.)
6
GND
GND pin
Triangular oscillating capacitor pin
7
CT
8
PV
CC
DC voltage input pin
Operates with 1.1V or more.
Clock input
· It is used to synchronize triangular oscillation with clock input and operates at rise edge of
clock.
· The threshold level is TTL level.
· It is open when not used.
9
CLK
Start pin
· Starts switching of starter (start at “L”)
· Threshold voltage, PV
CC
– 0.9V
10
START
11
POWER
Power ON/OFF pin
Output ON/OFF switching pin (Output is off at “L.”)
T
1
T
2
V
T
1
=
CV
I (Discharged)
f
=
1
T
1
+ T
2
T
2
=
CV
I (Charged)
I (Discharged)
=52
μ
A
I (Charged)
=30
μ
A
V
= 0.58V
In normal operation
Reference voltage pin
· 1.25V output
· Charged and discharged current of triangular oscillation is determined by external R.
I (Charged) =R
REF
– 0.7
+1k
I (Discharged)=1.40
×
I (Charged)
12
V
REF
13
EMP
Decreased voltage detection output pin
“H” when detected by open collector output form
14
V
SEN
Decreased voltage detection input pin
· Threshold voltage ; 2.2V
Reset output pin
· “H” when V
CC
becomes V
O
×
0.9V or more
· Open collector output form
15
Reset
16
V
CC
DC voltage input pin
Operates with 3.6V or more.
Dead time control input
Maximum duty ratio set to 85%.
Description
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AN8086S | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Low Voltage Operation IC for DC-DC Converter |
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| AN8091 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Mode SMPS Controller |
| AN8091S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Mode SMPS Controller |
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