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AN8086S の電気的特性と機能

AN8086SのメーカーはPanasonic Semiconductorです、この部品の機能は「Low Voltage Operation IC for DC-DC Converter」です。


製品の詳細 ( Datasheet PDF )

部品番号 AN8086S
部品説明 Low Voltage Operation IC for DC-DC Converter
メーカ Panasonic Semiconductor
ロゴ Panasonic Semiconductor ロゴ 




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AN8086S Datasheet, AN8086S PDF,ピン配置, 機能
ICs for CD/CD-ROM Player
AN8086S
Low Voltage Operation IC for DC-DC Converter
s Overview
The AN8086S is an IC for controlling a DC-DC converter
suitable for the switching power supply of various
portable equipment. It can operate with input voltage
1.1V or more. The AN8086S is based on AN8083S with
the output voltage in the secondary side changed to 3.6V.
s Features
Operatable with low voltage input (PVCC>1.1V)
Decreased voltage detection circuit built-in
Short-circuit protection feature built-in
Provided with reset output
Synchronizable with outside clock
Low consumption current in stand-by mode
1 16
2 15
3 14
4 13
5 12
6 11
7 10
89
0.3
4.2±0.3
6.5±0.3
Unit : mm
16-lead SOP package (SOP016-P-0225A)
s Block Diagram
RESET VCC EMP
15 16 13
VSEN
14
2.2V
VREF
+– +–
4.8V
+
2.7V2.5V
Starter SW
Early Value Set.
2.0V
+
+
30k
0.725V
+
+
63k
START CT
10 7
VREF
12
Starter
0.85V
0.25V
Triangular
Wave
Power
Off
Switching
Circuit
9 CLK
8 PVCC
11 POWER
6 GND
1 23
IN FB SPRO
4
DED
5
OUT

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AN8086S pdf, ピン配列
ICs for CD/CD-ROM Player
AN8086S
s Pin Description
Pin No. Symbol
1 IN
2 FB
• Input pin for error amplifier
• Threshold voltage ; 0.7V
• Output pin for error amplifier
Description
• Short-circuit protection input pin
3 SPRO
If output of error amplifier does not become “L” when t = CVth/ISPRO output of IC is not
switched.
ISPRO =25µA
Vth = 0.9V
4
DED
• Dead time control input
Maximum duty ratio set to 85%.
5
OUT
• Switching output pin
Output current ; IO=20mA (max.)
6
GND
• GND pin
• Triangular oscillating capacitor pin
7 CT
T1 T2
T1 = I
CV
(Discharged)
V
f=
1
T1 + T2
T2 =
I
CV
(Charged)
I (Discharged) =52µA
I (Charged) =30µA
V = 0.58V
In normal operation
8
PVCC
• 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
9 CLK
clock.
· The threshold level is TTL level.
· It is open when not used.
• Start pin
10 START
· Starts switching of starter (start at “L”)
· Threshold voltage, PVCC – 0.9V
11
POWER
• Power ON/OFF pin
Output ON/OFF switching pin (Output is off at “L.”)
• Reference voltage pin
· 1.25V output
12 VREF
· Charged and discharged current of triangular oscillation is determined by external R.
I (Charged) =
VREF – 0.7
RREF +1k
I (Discharged)=1.40 × I (Charged)
13
EMP
• Decreased voltage detection output pin
“H” when detected by open collector output form
14
VSEN
• Decreased voltage detection input pin
· Threshold voltage ; 2.2V
• Reset output pin
15 Reset
· “H” when VCC becomes VO × 0.9V or more
· Open collector output form
16
VCC
• DC voltage input pin
Operates with 3.6V or more.


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共有リンク

Link :


部品番号部品説明メーカ
AN8086

Low Voltage Operation IC for DC-DC Converter

Panasonic Semiconductor
Panasonic Semiconductor
AN8086S

Low Voltage Operation IC for DC-DC Converter

Panasonic Semiconductor
Panasonic Semiconductor


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