AT1388/AT1388A
Preliminary Product Information
6-Channel DC-DC Controller for DSC
Electrical Characteristics
(TA=25℃, VCC=PVCC=5V)
Parameter
Reference voltage block [REF]
Regulator voltage
Output voltage temperature
stability
Input stability
Load stability
Symbol
V
REG
Condition
Measure result
Unit
Min. Typ. Max.
2.25
-
-80
-20
2.30
0.5
-
-
2.35
-
80
20
V
%
mV
mV
△V
REF
TA = -30℃ to 85℃
/V
REF
Line
Load
VCC=2.5V to 6V
VREG=0mA to –10mA
Under voltage lockout block [U.V.L.O]
Threshold voltage(CH1~CH5)
Hysteresis width(CH1~CH5)
CH6 Pre-OSC change to Main-
OSC threshold
Hysteresis width(CH6 Pre-OSC
change to Main-OSC threshold)
Pre-OSC frequency
Soft start block [CS]
Charge current
Valid Threshold voltage
Short circuit detection block [SCP]
Threshold voltage
Input source current
Threshold voltage
Input bias current
V
TH
I
CSCP
V
TH
I
B
CH1 to CH6
IN=0V
0.80
-1.5
0.65
-320
0.90
-1.0
0.7
-80
1.00
-0.6
0.75
-
V
μA
I
CS
-1.5
0.3
-1.0
-
-0.7
0.8
μA
V
V
TH
V
H1_5
V
TH6
V
H6
f
PRE-OSC
2.0
0.05
2.2
0.05
320
2.2
0.1
2.3
0.1
400
2.3
0.3
2.5
0.3
480
V
V
V
V
KHz
Short detect comparator [SCP Comp]
V
nA
Triangular wave oscillator block [OSC]
Oscillator frequency
Frequency stability for voltage
Frequency stability for
temperature
f
OSC
△f
/fdv
△f
/fdt
CT=82pF
VCC=2.5V to 6V
TA=-30℃ to 85℃
400
-
-
500
1
1
600
10
10
kHz
%
%
Error amplifier block [Error Amp](CH1~CH6)
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
5
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
