an8086s Panasonic Corporation of North America, an8086s Datasheet - Page 3

• Manufacturer Part Number: an8086s
• Description: Low Voltage Operation Ic For Dc-dc Converter
• Manufacturer: Panasonic Corporation of North America

ICs for CD/CD-ROM Player
Pin No.
Pin Description
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
POWER
Symbol
START
SPRO
GND
Reset
DED
OUT
PV
EMP
CLK
V
V
V
FB
CT
IN
SEN
REF
CC
CC
• Input pin for error amplifier
• Threshold voltage ; 0.7V
• Output pin for error amplifier
• Short-circuit protection input pin
• Dead time control input
• Switching output pin
• GND pin
• Triangular oscillating capacitor pin
• DC voltage input pin
• Clock input
• Start pin
• Power ON/OFF pin
• Reference voltage pin
• Decreased voltage detection output pin
• Decreased voltage detection input pin
• Reset output pin
• DC voltage input pin
T
1
If output of error amplifier does not become “L” when t = CV
switched.
Maximum duty ratio set to 85%.
Output current ; I
Operates with 1.1V or more.
Output ON/OFF switching pin (Output is off at “L.”)
“H” when detected by open collector output form
Operates with 3.6V or more.
· It is used to synchronize triangular oscillation with clock input and operates at rise edge of
· The threshold level is TTL level.
· It is open when not used.
· Starts switching of starter (start at “L”)
· Threshold voltage, PV
· 1.25V output
· Charged and discharged current of triangular oscillation is determined by external R.
· Threshold voltage ; 2.2V
· “H” when V
· Open collector output form
clock.
T
2
I (Charged) =
I (Discharged)=1.40 I (Charged)
CC
becomes V
O
=20mA (max.)
V
CC
T
f =
1
– 0.9V
R
V
=
O
T
REF
REF
I (Discharged)
1
+ T
1
0.9V or more
+1k
– 0.7
2
CV
Description
I
V
SPRO
th
= 0.9V
=25 A
T
2
=
I (Charged)
CV
th
/I
I (Discharged) =52 A
I (Charged) =30 A
V = 0.58V
SPRO
In normal operation
output of IC is not
AN8086S