DC-DC Converters
Miniaturized
- PC Board mounting
REGULATED
single & dual tracking outputs
• Shipped Within 3 Days
• One Year Warranty
These versatile DC-DC Converters
are ideally suited
for powering a wide variety of analog and digital circuitry,
such as op amps, logic and microprocessors. They may
be mounted directly on a printed circuit board for OEM
applications, or installed in a socket for developmental
and small quantity requirements. For DC-DC Converters
with screw terminals, see page 18.
SPECIFICATIONS
Input Voltage:
Nominal voltage ±10%.
Input Reflected Ripple:
1% E
in
(max.)
Output Regulation:
Line:
±0.02%
Load:
±0.05%
Output Ripple
(@ 25 MHz bandwidth):
1 mV rms, 50 mV p-p (5-15V outputs).
1.5 mV rms, 75 mV p-p (18-28V outputs).
Output Voltage Setting:
Outputs are factory preset to
within ±1% of the nominal output voltage.
T/C terminal:
For single output models, the T/C terminal
can be used to trim the output more precisely to the
nominal voltage rating by connecting an external resistor
from the T/C terminal to either the + or– terminal. For dual
output models, the T/C terminal is the output common.
Polarity:
The output of single output models may be
connected in either polarity. Dual output models have a
positive/common/negative output terminal configuration.
Transient Response (NL-FL):
50 microseconds.
Overload/Short Circuit Protection:
Electronic current
limiting with automatic recovery. Models in case size ELC-
10 also have thermal protection with automatic reset.
Input/Output Isolation:
Voltage:
500 Vdc
Resistance:
100 megohms
Capacitance:
100 pF
Switching Frequency:
20 kHz minimum.
Temperature Coefficient:
0.02%/°C (Typical).
Ambient Operating Temperature:
–20 to +71°C.
Storage Temperature:
– 40 to +85°C.
Humidity:
20% to 80% R.H. (non-condensing).
Mounting:
May be mounted on printed circuit board or in
socket (see page 11).
Efficiency is in the order of 65%, and is maintained down
to low levels of output current. Input reflected ripple is
reduced to less than 1% by means of a standard
built-in pi filter, and electrostatic shielding on all six sides
minimizes radiated energy. High input/output isolation
permits separation of the output from the dc input bus to
minimize circuit interaction due to ground loops, and the
use of inputs in either polarity.
2.30
1.80
1.00
.25
.70
.35
DC
+
INPUT
T
/
C
+
1.80 .70
.40
.04 Dia.
MOUNTING HOLE
(4-40 x 0.18")
TRIM
on single output models;
COMMON
on dual output models.
1.00
.50
.40
–
Case Size ESC-10
Approx. Weight: 5 oz.
2.50
2.20
.25
1.00
.50
.30
–
.15
.75
.15
T
/
C
1.00
+
.04 Dia.
2.70
TRIM
on single
output models;
COMMON
on dual
output models.
DC INPUT
–
3.50
3.20
+
.70
–
.75
MOUNTING HOLES (2)
(4-40 x 0.2")
Case Size ELC-10
Approx. Weight: 12 oz.
It’s easy to find what you need at
www.acopian.com
or
www.find a power supply.com
P.O. Box 638, Easton, PA 18044 • Phone: (610) 258-5441 • FAX: (610) 258-2842
16
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