AT1453
Preliminary Product Information
Photoflash Capacitor Charger for DSC
Electrical Characteristics
(VCC = 3.3V,Ta =+25℃, unless otherwise noted.)
Parameter
Input Supply Range
Feedback Voltage
Reference variation with
Temperature
Feedback Voltage
line-regulation
Standby current
Operating Current
Symbol
Condition
2.5
Ta = +25℃
Ta =-30℃ to +85℃
Values
Min. Typ. Max.
--
5.5
Unit
V
V
%
mV
μA
mA
kHZ
kHZ
V
V
μA
%
mA
mA
Ω
Ω
V
0.8
V
V
CC
V
FB
1.080 1.100 1.120
-2
-5
-
-
40
90
-
-
0.7
80
-
1
-
1.0
50
100
0.3
1.1
1.0
83
-130
100
18
16
2
5
400
-
60
110
-
-
1.5
90
-80
-
30
25
Entire device
V
FB-Line
I
CCS
I
CC
fosc
V
SS_0
V
SS
100
VCC=2.5V to 5.5V
CHRGE=GND
Duty=50%,
fOSC=50KHz
A
B
Duty Cycle=0%
Duty Cycle=100%
V
SS
=0V
Oscillator
Frequency
Threshold voltage of SS
Soft-Start and Duty
Section
Threshold voltage of SS
Charging current
Maximum duty cycle
I
SS
T
DUTY
I
SOURCE
I
SINK
R
OH
R
OL
V
ONH
V
ONL
Output Section
Output source current
Output sink current
Output ON resistor
Output OFF resistor
Duty≧95%, OUT=0V
Duty≦5%, OUT=5V
OUT = -15mA
OUT = 15mA
-
65
-
-
2.0
Charge ON/OFF
Section
Active mode Threshold
Disable mode Threshold
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
WWW:
http://www.aimtron.com.tw
Fax: 886-3-563-0879
Email:
service@aimtron.com.tw
4
AIMTRON [ AIMTRON TECHNOLOGY ]
