AT1397A Datasheet, PDF (5/21 Pages) Aimtron Technology – 6-Channel DC-DC Converter for DSC

AT1397A/B
Preliminary Product Information
6-Channel DC-DC Converter for DSC
Electrical Characteristics
Parameter
Symbol
(PVCC1=PVCC2=PVCC3=PVCC4=VCC=3.6V, Ta=+25⁰C)
Condition
Values
Unit
Min. Typ. Max.
GENERAL
Input Voltage Range
VCC IC Power Input
2.5 - 5.5
V
VCC Under Voltage Lockout V_UV
-
2.35 2.4 2.45 V
UVLO Hysteresis
V_HY
-
- 100 -
mV
CH1,CH2 Switch- Off Input
Current
CH1,CH2, CH3(or 4,5,6)
Switch- Off Input Current
Shutdown Current
No Switching,
I_IN1
FB1=FB2=0.9V
CTL1=CTL2=3.6V, other
-
disable
No Switching,
I_IN2
FB1=FB2=FB3=0.9V
CTL1=CTL2=CTL3=3.6V,
-
other disable
I_CC
All CTL disable,
VCC=3.6V
-
1.1 1.2 mA
1.3 1.4 mA
1 10 µA
REFERENCE
Reference Output Voltage
Reference Load Regulation
Reference Line Regulation
V_REG I_REG =1mA
∆V_REG1 1mA< I_REG <5mA
∆V_REG2 2.5<VCC<5.5V
2.25 2.30 2.35 V
-
5 10 mV
-
-
5 mV
OSC
Frequency
Frequency variation with
Temperature
Frequency variation with
Input Voltage
CHANNEL 1, 2
f_OSC CT=82pF
∆f_OSC1 ^{Ta=-20°C ~+85°C}
∆f_OSC2 V_CC =2.5V~5.5V
- 500 - KHz
-
1 10
%
-
1
5
%
Input Voltage Range
Normal Operating Soft-Start
Charge Current
FB Regulation Voltage
PVCC1/2
-
I_SS1/2 V_CC =2.5V~5.5V
V_FB1/2 Ta=-20°C ~+85°C
FB input Current
Current-Sense Amplifier
Transresistance
Transconductance
I_FB1/2 FB1/2=0.8V
R_CS
-
G_MEA
-
2.5 - 5.5
V
0.7 1 1.3 µA
0.784 0.8 0.816 V
-
- 100 nA
- 0.6 - V/A
- 120 -
µs
Maximum Duty Cycle
D_MAX FB1/2=0.7V
- 100 -
%
7F, No.9, Park Avenue II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone] Fax: [phone]
WWW: http://www.aimtron.com.tw
1/10/2006 REV:1.0
Email: [e-mail]
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