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AM1DR-N Series
1 watt dc-dc converters
7PIN SIP PACKAGE
REGULATED OUTPUT VOLTAGE
LOW RIPPLE & NOISE
HIGH EFFICIENCY UP TO 79%
INPUT/OUTPUT ISOLATION: 1000VDC
OPERATING TEMPERATURE: -40C ... +85C
PIN-COMPATIBLE WITH MULTIPLE MANUFACTURERS
UL94-VO PACKAGE
GENERAL DESCRIPTION
Our AM1DR-N series is a family of cost effective 1W
single output isolated DC-DC converters. These converters
achieve low cost and ultra-miniature SIP7 pin size without
compromising performance and reliability.
Twelve models operates from input voltages of 5, 12 &
24VDC; producing regulated output voltage levels
of 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
MTBF: > 900,000 hrs (MIL-HDBK-217F, Ground Benign, t=+25C)
Specifications are subject to change without notification
DC-DC CONVERTERS
Isolation Specifications:
Rated voltage (60 sec)
1000VDC
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
Input Specifications:
Voltage range
5%
Filter
Capacitor
Output Specifications:
Voltage accuracy
3%, max.
Ripple & noise (at 20MHz BW)
50 mVp-p, typ.
Short circuit protection
1 sec.
Line voltage regulation
0.5%, max.
Load voltage regulation
0.5%, max.
Temperature coefficient
0.02%/C, typ.
General Specifications:
Efficiency
72% to 79%
Switching frequency
100KHz, typ. 100% load
Physical Specifications:
Dimensions
19.6x6.0x10.2mm
0.77x0.24x0.4inches
Weight
2.7g
Case material
Plastic UL94-VO
OUTLINE DIMENSIONS & PIN CONNECTIONS
Pin
1
2
4
5
6
7
+V Input
-V Input
-V Output
Omitted
+V Output
Omitted
1000VDC
Single
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MODELS
AM1DR-N Series
DC-DC CONVERTERS
Models
Input Voltage
Ouput Voltage
Ouput Current max.
AM1DR-0505S-N
AM1DR-0509S-N
AM1DR-0512S-N
AM1DR-0515S-N
AM1DR-1205S-N
AM1DR-1209S-N
AM1DR-1212S-N
AM1DR-1215S-N
AM1DR-2405S-N
AM1DR-2409S-N
AM1DR-2412S-N
AM1DR-2415S-N
5VDC
9VDC
12VDC
15VDC
5VDC
9VDC
12VDC
15VDC
5VDC
9VDC
12VDC
15VDC
150mA
111mA
83mA
67mA
150mA
111mA
83mA
67mA
150mA
111mA
83mA
67mA
5V5%
12V5%
24V5%
External Capacitor Table
Vin
Vout
External
Capacitor
External
Capacitor
5VDC
12VDC
24VDC
-
4.7uF
2.2uF
1uF
-
5VDC
9VDC
12VDC
15VDC
10uF
4.7uF
2.2uF
1uF
TYPICAL
CHARACTERISTICS
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.
APPLICATION NOTE
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