AT1397A/B
Preliminary Product Information
6-Channel DC-DC Converter for DSC
Electrical Characteristics
(PVCC1=PVCC2=PVCC3=PVCC4=VCC=3.6V, Ta=+25
0
C)
Parameter
GENERAL
Input Voltage Range
VCC Under Voltage Lockout
UVLO Hysteresis
CH1,CH2 Switch- Off Input
Current
CH1,CH2, CH3(or 4,5,6)
Switch- Off Input Current
Shutdown Current
Symbol
Condition
Values
Min. Typ. Max.
Unit
VCC
V
UV
V
HY
I
IN1
IC Power Input
-
-
No Switching,
FB1=FB2=0.9V
CTL1=CTL2=3.6V, other
disable
No Switching,
FB1=FB2=FB3=0.9V
CTL1=CTL2=CTL3=3.6V,
other disable
All CTL disable,
VCC=3.6V
2.5
2.35
-
-
-
2.4
100
1.1
5.5
2.45
-
1.2
V
V
mV
mA
I
IN2
I
CC
-
-
1.3
1
1.4
10
mA
µA
REFERENCE
Reference Output Voltage
Reference Load Regulation
Reference Line Regulation
V
REG
I
REG
=1mA
2.25
-
-
2.30
5
-
2.35
10
5
V
mV
mV
∆V
REG1
1mA< I
REG
<5mA
∆V
REG2
2.5<VCC<5.5V
OSC
Frequency
Frequency variation with
Temperature
Frequency variation with
Input Voltage
f
OSC
CT=82pF
-
-
-
500
1
1
-
10
5
KHz
%
%
∆f
OSC1
Ta=-20°C ~+85°C
∆f
OSC2
V
CC
=2.5V~5.5V
CHANNEL 1, 2
Input Voltage Range
Normal Operating Soft-Start
Charge Current
FB Regulation Voltage
FB input Current
Current-Sense Amplifier
Transresistance
Transconductance
Maximum Duty Cycle
PVCC1/2
-
V
CC
=2.5V~5.5V
Ta=-20°C ~+85°C
FB1/2=0.8V
-
-
FB1/2=0.7V
2.5
0.7
0.784
-
-
-
-
-
1
0.8
-
0.6
120
100
5.5
1.3
0.816
100
-
-
-
V
µA
V
nA
V/A
µs
%
I
SS1/2
V
FB1/2
I
FB1/2
R
CS
G
MEA
D
MAX
7F, No.9, Park Avenue II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW:
http://www.aimtron.com.tw
1/10/2006
REV:1.0
Email:
service@aimtron.com.tw
5
AIMTRON [ AIMTRON TECHNOLOGY ]
