APA06 ASTEC [Astec America, Inc], APA06 Datasheet - Page 11

• Manufacturer Part Number: APA06
• Description: 3-5.5Vdc Input, 1.2Vdc - 3.3Vdc Output 20W DC-DC Converter
• Manufacturer: ASTEC [Astec America, Inc]

TEL:
FAX:
R
R
R
1.2Vout:
R
1.5Vout:
1.8Vout:
2.1Vout:
2.5Vout:
R
3.3Vout:
R
Where: R
trim up
trim up
trim up
trim up
trim up
trim up
USA
1-760-930-4600
1-760-930-0698
Output Over-Current Protection
APA06 series DC-DC converters feature cur-
rent limiting with a threshold is between 8.4A
and 10.8A. These modules can tolerate short
circuit conditions (continuously of transient).
When the overcurrent condition is removed, the
converter will automatically restart.
Power Good signal
High-level
Low-level
Inner resistance = 5.1k
Output Over-Current Protection
Fig.4 Output Voltage Set-point Adjustment
=
=
=
=
=
=
R
V
V
R is in k .
J1 PIN 5
J2 PIN 5
J1 PIN 2
6.20 x ( 8.25 - 2.7 x V
o up
o down
18.65 x V
trim up
trim down
136.9 - 54.75 x V
11.78 - 9.78 x V
1.40xV
6.78 - 2.72 x V
7.18xV
3.01 x ( 4.6 - V
4.01 x V
0.73xV
5.72 - 1.73 x V
8.9 x V
is trim up voltage,
Trim down
is trimming up resistance,
is trim down voltage,
o up
o up
o up
Trim up
is trimming down resistance,
o up
o up
o up
- 9.55
- 25.58
- 5.89
- 8.39
- 27.88
- 16.00
o up
o up
o up
o up
o up
2.1V
min
)
o up
)
3
3
J1 PIN 5
J2 PIN 5
J1 PIN 2
R
R
R
R
R
R
V
V
trim down
trim down
trim down
trim down
trim down
trim down
-
Europe
44-(0)1384-842-211
44-(0)1384-843-355
-
1.05V
Trim down
5
5
max
.
.
Trim up
5
5
V
V
=
=
=
=
=
=
A
A
135.04 x V
25.38 x V
7.37 x V
41.21 x V
4.43 x V
I
11.78 - 9.78 x V
210 x V
I
31.03 - 14.84 x V
P
P
n
n
52.8 - 29.37 x V
55 - 37 x V
6.78 - 2.72 x V
5.72 - 1.73 x V
A
A
p
p
10K
Trim Pot
0
u
0
u
o down
o down
o down
6
t
6
t
o down
o down
o down
,
,
N
N
1
1
o down
- 262.51
o
.
- 9.55
- 5.89
o
.
- 25.58
o down
- 51.51
2
2
- 168.795
n
n
o down
o down
o down
o down
V
V
-
-
I
-
-
I
s
3
s
3
o
.
o
.
3
3
l
l
V
Asia
852-2437-9662
852-2402-4426
a
V
a
t
t
Safety Considerations
Safety Considerations
e
O
e
O
d
d
u
u
t
t
Parallel application
APA06 series DC-DC converters can be used
in parallel (at most two modules). You can use
diode (or not) in output circuit. The parallel two
power module can (total) output the largest cur-
rent 7.5~8A in a long time. If the load is over
8A, the output will be in hiccup over-current pro-
tection. The application circuit is shown as in
Figure 5.
The load is between 6A and 8A, a resistance
Rsense which is 1 is needed for current shar-
ing. If you want to use our APA06 series power
module in parallel mode, please advise the fac-
tory for details.
For safety-agency approval of the system in
which the power module is used, the power
module must be installed in compliance with the
spacing and separation requirements of the
end-use safety agency standard, i.e., UL1950,
CSA C22.2 No. 950-95, and VDE 0805
(EN60950, IEC950).
For the module's output to be considered meet-
ing the requirements of safety extra-low voltage
(SELV), one of the following must be true:
1. All inputs are SELV and floating, with the out-
put also floating.
2. All inputs are SELV and grounded, with the
P
Parallel application
P
p
p
o
o
u
u
w
w
t
t
,
,
e
e
Fig.5 APA06 Parallel Application
9
9
r
r
-
-
S
S
2
2
0
I
0
I
P
P
www.astec.com
W
W
s
22 F/10V
s
O
O
u
u
t
t
p
p
u
u
t
t
22 F/10V
220 F
-11-