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AM1P-N Series
1 watt dc-dc converters
8PIN DIP PACKAGE
LOW RIPPLE & NOISE
HIGH EFFICIENCY UP TO 81%
UL94-VO PACKAGE
INPUT/OUTPUT ISOLATION: 1000VDC
OPERATING TEMPERATURE: -40C ... +85C
PIN-COMPATIBLE WITH MULTIPLE MANUFACTURERS
GENERAL DESCRIPTION
Our AM1P-N series is a family of cost effective 1W
single & dual separated output isolated DC-DC converters.
These converters achieve low cost and ultra-miniature DIP8
pin size without compromising performance and reliability.
Twenty four models operate from input voltages of 5, 12
& 24VDC; producing output voltage levels of 5, 9, 12,
15VDC. Full SMD-design and 100 % production test of
parameters ensures a high reliability in this product.
DC-DC CONVERTERS
ELECTRICAL SPECIFICATIONS
Specifications typical at +25C, nominal input voltage, rated output current unless otherwise specified
Physical Specifications:
Dimensions
11.7x9.8x7.7mm
0.46x0.39x0.3inches
Weight
1.8g
Case material
Plastic UL94-VO
MTBF: > 1,000,000 hrs (MIL-HDBK-217F, Ground Benign, t=+25C)
Specifications are subject to change without notification
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
+90C, max.
Derating
None required
Humidity (non-condensing)
Up to 90%
Cooling
Free-air Convection
Input Specifications:
Voltage range
10%
Filter
Capacitor
Output Specifications:
Voltage accuracy
see tolerance
envelope graph
Ripple & noise (at 20MHz BW)
75 mVp-p, typ.
Short circuit protection
1 sec.
Line voltage regulation
1.2% / 1.0% of Vin
Load voltage regulation
10% max.
load=10~100%
Temperature coefficient
0.03%/C, max.
General Specifications:
Efficiency
78% to 81%
Switching frequency
150KHz, typ. 100% load
(0.46)
7.7
9.8
(0.39)
(0.30)
OUTLINE DIMENSIONS & PIN CONNECTIONS
Pin
1
4
5
6
7
8
-V Input
+V Input
+V Output
Omitted
-V Output
Omitted
-V Input
+V Input
+V1 Output
-V1 Output
+V2 Output
-V2 Output
1000VDC
Single
Dual Separated
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MODELS
(Single output)
MODELS
(Dual separated output)
AM1P-N Series
DC-DC CONVERTERS
Models
Input Voltage
Ouput Voltage
Ouput Current max.
AM1P-0505S-N
AM1P-0509S-N
AM1P-0512S-N
AM1P-0515S-N
AM1P-1205S-N
AM1P-1209S-N
AM1P-1212S-N
AM1P-1215S-N
AM1P-2405S-N
AM1P-2409S-N
AM1P-2412S-N
AM1P-2415S-N
5VDC
9VDC
12VDC
15VDC
5VDC
9VDC
12VDC
15VDC
5VDC
9VDC
12VDC
15VDC
200mA
110mA
83mA
67mA
200mA
110mA
83mA
67mA
200mA
110mA
83mA
67mA
5V10%
12V10%
24V10%
TYPICAL CHARACTERISTICS
+5%
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
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
Vin
Vout
External
Capacitor
External
Capacitor
5VDC
12VDC
24VDC
-
4.7uF
2.2uF
1uF
-
5VDC
9VDC
12VDC
15VDC
10uF
4.7uF
2.2uF
1uF
Models
Input Voltage
Ouput Voltage
Ouput Current max.
AM1P-050505D-N
AM1P-050909D-N
AM1P-051212D-N
AM1P-051515D-N
AM1P-120505D-N
AM1P-120909D-N
AM1P-121212D-N
AM1P-121515D-N
AM1P-240505D-N
AM1P-240909D-N
AM1P-241212D-N
AM1P-241515D-N
5/5VDC
9/9VDC
12/12VDC
15/15VDC
5/5VDC
9/9VDC
12/12VDC
15/15VDC
5/5VDC
9/9VDC
12/12VDC
15/15VDC
100/100mA
55/55mA
42/42mA
34/34mA
100/100mA
55/55mA
42/42mA
34/34mA
100/100mA
55/55mA
42/42mA
34/34mA
5V10%
12V10%
24V10%
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