AN8083 Panasonic Semiconductor, AN8083 Datasheet - Page 2

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AN8083

Manufacturer Part Number
AN8083
Description
Low Voltage Operation IC for DC-DC Converter
Manufacturer
Panasonic Semiconductor
Datasheet
Note) Unless otherwise specified, V
AN8083S
Operating Supply Voltage Range
Power V
Power V
Output Voltage
Reset Output Threshold Voltage
Decreased Voltage Detection Threshold Voltage
Short-Circuit Protection Operating Voltage
Short-Circuit Protection Operating Voltage
Oscillation Frequency in Normal Operation
Oscillation Frequency at Start
Output Voltage (Normal)
Output Voltage (Normal)
Supply Voltage
Power Dissipation
Operating Ambient Temperature
Storage Temperature
Recommended Operating Range (Ta=25˚C)
Absolute Maximum Ratings (Ta=25˚C)
Electrical Characteristics (Ta=25˚C)
Application Circuit
RESET
CC
CC
Stand-by Mode Supply Current
Operating Mode Supply Current
Paramenter
+ –
Parameter
15
IN
*
V
Parameter
CC
Connect Pin11 to the secondary side and Pin10 to GND at oscillation start. (Pin10 is always open.)
16
1
EMP
33k
4.8V
+
+
13
1.25V
0.01 F
2
V
–25 A
+
SENSE
FB
2.15V
Starter SW
Initial set
2.0V
30k
CC
+
=4.8V, PV
14
3
SPRO
47 F
V
0.725V
V
Symbol
V
V
V
V
Symbol
PV
TH (RESET)
3.0V
TH (VSEN)
V
I
I
OH (OUT)
OL (OUT)
O (SPRO)
O (SPRO)
f
f
PVCC
PVCC
+
V
OSC1
OSC2
CC
CC
CC
O
=3V
V
Symbol
2.5V
REF
PV
4
V
T
T
P
63k
CC
opr
stg
D
0.01 F
CC
DED
V
V
PV
PV
V
V
R
R
V
I
I
O
O
+
+
REF
REF
CC
CC
IN
IN
CC
= –20mA, V
=20mA, V
CC
CC
=0V, V
=1V, V
START
=0V, PV
=3.1V, PV
=1.9V, PV
=33k , CT=330pF
=33k , CT=330pF
=3V
=3V
Starter
10
Condition
POWER
POWER
CT
CC
CT
CT
CC
=1V
=3V
CC
SW
circuit
=2V
=0V
=0V
=3V
=3V
7
5
0.85V
330pF
OUT
Triangular
Wave
V
Power
OFF
REF
0.25V
–55 ~ +125
–20 ~ +75
12
Rating
33k
14.4
14.4
380
1.8V ~ 12V
1.1V ~ 12V
ICs for CD/CD-ROM Player
11
9
8
6
Range
min.
CLK
PV
POWER
GND
2.05
1.35
1.7
1.2
CC
60
80
4
typ.
2.15
100
1.2
4.8
4.2
70
0.01 F
100
max.
2.25
+
120
4.4
2.1
3.2
1.6
0.4
80
2
3
Unit
mW
4.8V 0.3V
˚C
˚C
V
Unit
kHz
kHz
mA
A
V
V
V
V
V
V
V

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