AT1382A
Preliminary Product Information
4-Channel DC-DC Converter for DSC
Electrical Characteristics
Parameter
(Ta=25℃, VCC=PVCC=5V)
Measure result
Symbol
Condition
Unit
Min. Typ. Max.
Reference voltage block [REF]
Reference voltage
VREF
0.88
-
0.90
0.5
0.92
-
V
△VREF
/VREF
Output voltage temperature
stability
Ta = -30℃ to 85℃
%
Input stability
Line VCC=1.8V to 7V
Load VREF=0mA to –1mA
IOSC VREF=0.7V
-10
-10
-20
-
-
10
10
-1
mV
mV
mA
Load stability
Shout circuit output current
-5
Under voltage lockout block [U.V.L.O]
Threshold voltage(CH1~CH3)
Hysteresis width(CH1~CH3)
Reset voltage(CH1~CH3)
VTH
VH
1.5
-
1.6
0.2
1.7
1.7
-
V
V
V
VRST
1.6
1.8
CH4 Pre-OSC change to Main-
OSC threshold
VTH2
-
1.7
-
V
Soft start block [CS]
Charge current
μA
ICS
-6.0
-5.0
-4.0
Short circuit detection block [SCP]
Threshold voltage
VTH
0.65
-1.5
0.70
-1.0
0.75
-0.7
V
μA
Input source current
ICSCP
Triangular wave oscillator block [OSC]
CT=100pF, RT=20kΩ
Oscillator frequency
fOSC
400
-
500
1
600
10
kHz
%
△f
Frequency stability for voltage
VCC=1.8V to 7V
/fdv
△f
Frequency stability for
temperature
Ta=-30℃ to 85℃
-
1
-
%
/fdt
Error amplifier block [Error Amp](CH1~CH4)
Threshold voltage
VTH FB=0.9V
0.69
-
0.70
0.5
0.71
-
V
△VT/VT Ta = -30℃ to 85℃
VT temperature stability
%
Input bias current
Voltage gain
IB
AV
IN=0V
DC
-320
-
-80
100
-
-
nA
dB
2F, No.10, Prosperity RD. 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
Email: service@aimtron.com.tw
5
AIMTRON [ AIMTRON TECHNOLOGY ]
