36
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AM2D-N Series
2 watt dc-dc converters
7 PIN SIP PACKAGE
LOW RIPPLE & NOISE
HIGH EFFICIENCY UP TO 82%
UL94-VO PACKAGE
INPUT/OUTPUT ISOLATION : 1000 & 3000VDC
OPERATING TEMPERATURE: -40C ... +85C
PIN-COMPATIBLE WITH MULTIPLE MANUFACTURERS
GENERAL DESCRIPTION
Our AM2D-N series is a family of cost effective 2W
single, dual output isolated DC-DC converters. These con-
verters achieve low cost and ultra-miniature SIP7 pin size
without compromising performance and reliability.
Forty eight models operate from input voltages of 5, 12 &
24VDC; producing output voltage levels of 5, 9, 12, 15,
5, 9, 12, 15VDC. Full SMD-design and a 100%
production test of parameters ensures a high reliability in
this product.
ELECTRICAL SPECIFICATIONS
Specifications typical at +25C, nominal input voltage, rated output current unless otherwise specified
Output Specifications:
Voltage accuracy
see tolerance
envelope graph
Voltage balance (dual output)
1%
Ripple & noise (at 20MHz BW)
75mVp-p, typ.
Short circuit protection
1 sec.
Line voltage regulation
1.2% / 1.0% of Vin
Load voltage regulation
8%, load=10~100%
Temperature coefficient
0.03%/C, max.
Input Specifications:
Voltage range
10%
Filter
Capacitor
Physical Specifications:
Dimensions
19.50x6.0/7.05x10.00mm
0.76x0.24x0.39inches
Weight
2.5g
Case material
Plastic UL94-VO
General Specifications:
Efficiency
78% to 82%
Switching frequency
85KHz, typ. 100% load
MTBF: > 800,000 hrs (MIL-HDBK-217F, Ground Benign, t=+25C)
Specifications are subject to change without notification
Isolation Specifications:
Rated voltage (60 sec)
1000VDC
3000VDC
Resistance
> 1000MOhm
Capacitance
60pF, typ.
Environmental Specifications:
Operating temperature (ambient) -40C ... +85C
Storage temperature
-55C ... +125C
Case temperature
+95C, max.
Derating
None required
Humidity (non-condensing)
Up to 90%
Cooling
Free-air Convection
DC-DC CONVERTERS
OUTLINE DIMENSIONS & PIN CONNECTIONS
+V Input
-V Input
-V Output
Omitted
+V Output
Omitted
+V Input
-V Input
-V Output
Common
+V Output
Omitted
+V Input
-V Input
Omitted
-V Output
Omitted
+V Output
+V Input
-V Input
Omitted
-V Output
Common
+V Output
1
2
4
5
6
7
Single
Dual
Pin
1000VDC
3000VDC
Dual
Single
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MODELS
Single output
AM2D-N Series
DC-DC CONVERTERS
Models
Isolation 1000VDC
Isolation 3000VDC
Input Voltage
Ouput Voltage
Ouput Current max.
AM2D-0505S-N
AM2D-0509S-N
AM2D-0512S-N
AM2D-0515S-N
AM2D-1205S-N
AM2D-1209S-N
AM2D-1212S-N
AM2D-1215S-N
AM2D-2405S-N
AM2D-2409S-N
AM2D-2412S-N
AM2D-2415S-N
AM2D-0505SH30-N
AM2D-0509SH30-N
AM2D-0512SH30-N
AM2D-0515SH30-N
AM2D-1205SH30-N
AM2D-1209SH30-N
AM2D-1212SH30-N
AM2D-1215SH30-N
AM2D-2405SH30-N
AM2D-2409SH30-N
AM2D-2412SH30-N
AM2D-2415SH30-N
5V10%
12V10%
24V10%
5VDC
9VDC
12VDC
15VDC
5VDC
9VDC
12VDC
15VDC
5VDC
9VDC
12VDC
15VDC
400mA
222mA
167mA
134mA
400mA
222mA
167mA
134mA
400mA
222mA
167mA
134mA
Models
Isolation 1000VDC
Isolation 3000VDC
Input Voltage
Ouput Voltage
Ouput Current max.
AM2D-0505D-N
AM2D-0509D-N
AM2D-0512D-N
AM2D-0515D-N
AM2D-1205D-N
AM2D-1209D-N
AM2D-1212D-N
AM2D-1215D-N
AM2D-2405D-N
AM2D-2409D-N
AM2D-2412D-N
AM2D-2415D-N
AM2D-0505DH30-N
AM2D-0509DH30-N
AM2D-0512DH30-N
AM2D-0515DH30-N
AM2D-1205DH30-N
AM2D-1209DH30-N
AM2D-1212DH30-N
AM2D-1215DH30-N
AM2D-2405DH30-N
AM2D-2409DH30-N
AM2D-2412DH30-N
AM2D-2415DH30-N
5V10%
12V10%
24V10%
5VDC
9VDC
12VDC
15VDC
5VDC
9VDC
12VDC
15VDC
5VDC
9VDC
12VDC
15VDC
200mA
111mA
83mA
67mA
200mA
111mA
83mA
67mA
200mA
111mA
83mA
67mA
Dual output
TYPICAL CHARACTERISTICS
Continued on next page
38
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AM2D-N Series
DC-DC CONVERTERS
APPLICATION NOTE
Filtering
In some circuits which are sensitive to noise and ripple, a filtering capacitor may be added to the DC/DC output end and input end to reduce the noise
and ripple. However, the capacitance of the output filter capacitor must be proper. If the capacitance is too big, a startup problem might arise. For every
channel of output, provided the safe and reliable operation is ensured, the greatest capacitance of its filter capacitor sees the external capacitor table. To
get an extremely low ripple, an "LC" filtering network may be connected to the input and output ends of the DC/DC converter, which may produce a more
significant filtering effect. It should also be noted that the inductance and the frequency of the "LC" filtering network should be staggered with the DC/DC
frequency to avoid mutual interference (see figure 1).
Requirement on output load
To ensure this module can operate efficiently and reliably, a minimum load is specified for this kind of DC/DC converter in addition to a maximum load
(namely full load). During operation, make sure the specified range of input voltage is not exceeded, the minimum output load is not less than 10% of the
full load, and that this product should never be operated under no load! If the actual output power is very small, please connect a resistor with proper
resistance at the output end in parallel to increase the load.
For single output
For dual output
Overload Protection
Under normal operating conditions, the output
circuit of these products has no protection
against over-current and short-circuits. The
simplest method is to connect a self-recovery
fuse in series at the input end or add a circuit
breaker to the circuit.
Output Voltage Regulation and
Over-voltage Protection Circuit
The simplest device for output voltage
regulation, over-voltage and over-current
protection is a linear voltage regulator with
overheat protection that is connected to the
input or output end in series (see Figure 2).
External Capacitor Table
for Single Output
Vin
Vout
External
Capacitor
External
Capacitor
5VDC
12VDC
24VDC
-
4.7uF
2.2uF
1uF
-
5VDC
9VDC
12VDC
15VDC
10uF
4.7uF
2.2uF
1uF
External Capacitor Table
for Dual Output
Vin
Vout
External
Capacitor
External
Capacitor
5VDC
12VDC
24VDC
-
4.7uF
2.2uF
1uF
-
5VDC
9VDC
12VDC
15VDC
4.7uF
2.2uF
1uF
0.47uF
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