an8353ub Panasonic Corporation of North America, an8353ub Datasheet - Page 2

• Manufacturer Part Number: an8353ub
• Description: High Efficiency Car Dashboard Dimmer Ic
• Manufacturer: Panasonic Corporation of North America

Pin No.
Operating supply voltage range
Supply current
Oscillation frequency
0% duty input voltage
100% duty input voltage
Center duty (V
Center duty (V
Center duty (V
Output duty gain
Output voltage at ON
Leakage current at OFF
Over voltage detection voltage
Standby threshold voltage
Supply voltage
Power dissipation
Storage temperature
Operating ambient temperature
Recommended Operating Range (Ta=25˚C)
Pin Descriptions
1
2
3
4
5
6
7
8
9
Electrical Characteristics (Ta=25˚C)
Absolute Maximum Ratings (Ta=25˚C)
Output pin
GND
Input pin
Noise eliminating capacity connection pin 1
Square wave output pin
Triangular wave output pin
Noise eliminating capacity connection pin 2
Standby pin
V
CC
Parameter
Parameter
CC
CC
CC
Parameter
=12V)
=8V)
=18V)
Pin name
Symbol
Outputs an intermittent source current at a duty proportional to an input voltage
GND
Applies a control voltage.
Connect a capacitor to eliminator a noise.
Output a triangular wave, which serves as a reference for the PWM signal,
to the Pin6 by connecting the resistor R
capacity C
Output a triangular wave, which serves as a reference for the PWM signal,
to this pin by connecting the resistor R
capasity C
Connect a capacitor to eliminator a noise.
Forces to shut off an output current if a voltage higher than a threshold
voltage of 1.1V is applied to the Pin8.
Supply Voltage
Symbol
V
DD
DD
V
V
V
D
V
V
I
f
IN– 100
D
IN – 0
I
CC
CC
osc
STH
12V
ON
OV
L
18V
G
8V
Symbol
V
T
T
P
opr
T
T
CC
stg
D
between the Pin6 and GND.
between the Pin6 and GND.
Eliminate C
C
C
C
C
C
C
C
C
C
C
C
T
T
T
T
T
T
T
T
T
T
T
=0.027 F
=0.027 F
=0.027 F
=0.027 F
=0.027 F
=0.027 F
=0.027 F
=2100pF
=2100pF
=2100pF
=2100pF
Condition
T
and R
Description
T
–40 to +100
–50 to +150
T
Rating
T
550
between the Pins6 and 5, and
22
between the Pins5 and6, and
8 to 18V
Range
min
0.55
9.5
0.6
–1
–1
90
35
45
18
4
2
typ
115
7.5
2.5
0.9
1.1
10
45
50
20
0
0
0
max
10.5
1.65
140
1.2
11
55
55
22
3
1
1
4
Unit
mW
˚C
˚C
V
Unit
mA
Hz
%
%
%
%
V
V
V
A
V
V