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AM1/2L-N Series
0.5 watt dc-dc converters
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SMD PACKAGE UL94-VO PACKAGE LOW RIPPLE & NOISE EFFICIENCY UP TO 70%
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INPUT/OUTPUT ISOLATIONS OF 1000 & 3000VDC OPERATING TEMPERATURE: -40C ... +85C UNREGULATED PIN-COMPATIBLE WITH MULTIPLE MANUFACTURERS
DC-DC CONVERTERS
GENERAL DESCRIPTION
Our AM1/2L-N series is a family of cost effective 1/2W single and dual output DC/DC converters. These converters combine a miniature SMD package and high performance features such as a 1000 & 3000VDC input/output isolation voltages, continuous short circuit protection and a tight line / load regulation. 96 models operate from input voltages of 3.3, 5, 12 and 24VDC producing output voltages of 3.3, 5, 9, 12, 15, 24, 3.3, 5, 9, 12, 15 & 24VDC. Full SMD design and a 100% production test of parameters ensures a high reliability in this product.
ELECTRICAL SPECIFICATIONS
All specifications valid at nominal input voltage, full load and +25C after warm-up time unless otherwise stated. Input Specifications: Voltage range Filter Isolation Specifications: Rated voltage (60 sec) Resistance Capacitance 10% Capacitor General Specifications: Efficiency Switching frequency (Single) Switching frequency (Dual) Output Specifications: Voltage accuracy Voltage balance (Dual Output) Ripple & Noise (at 20MHz BW) Short circuit protection Line voltage regulation Load voltage regulation Temperature coefficient
70%, typ. 100KHz, typ., 100% load 150KHz typ., 100% load
1000 & 3000VDC > 1000MOhm 60pF, typ.
5%, max.
2%
Environmental Specifications: Operating temperature (ambient) -40C ... +85C Storage temperature -55C ... +125C Case Temperature +95C, max. Derating None required Humidity (non-condensing) Up to 95% Cooling Free-air Convection
75m Vp-p, typ. 1 sec. 1.2% max. for 1% of Vin 10%, typ. (10...100% load 0.03%/C, max.
Physical Specifications: Dimensions (Single) 12.70x11.20x6.30mm Dimensions (Dual) 15.30x11.20x6.30mm Dimensions (S&D@3000VDC) 15.20x11.20x6.00mm Weight 1.5g Case material UL94-VO Plastic
MTBF: > 3,500,000 hrs (MIL-HDBK-217F, Ground Benign, t=+25C)
Specifications are subject to change without notification.
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AM1/2L-N Series
MODELS
Single Output
@ 1000VDC @ 3000VDC Input Voltage Output Voltage Max. Output Current
AM1/2L-0303S-N AM1/2L-0305S-N AM1/2L-0309S-N AM1/2L-0312S-N AM1/2L-0315S-N AM1/2L-0324S-N AM1/2L-0503S-N AM1/2L-0505S-N AM1/2L-0509S-N AM1/2L-0512S-N AM1/2L-0515S-N AM1/2L-0524S-N AM1/2L-1203S-N AM1/2L-1205S-N AM1/2L-1209S-N AM1/2L-1212S-N AM1/2L-1215S-N AM1/2L-1224S-N AM1/2L-2403S-N AM1/2L-2405S-N AM1/2L-2409S-N AM1/2L-2412S-N AM1/2L-2415S-N AM1/2L-2424S-N
AM1/2L-0303SH30-N AM1/2L-0305SH30-N AM1/2L-0309SH30-N AM1/2L-0312SH30-N AM1/2L-0315SH30-N AM1/2L-0324SH30-N AM1/2L-0503SH30-N AM1/2L-0505SH30-N AM1/2L-0509SH30-N AM1/2L-0512SH30-N AM1/2L-0515SH30-N AM1/2L-0524SH30-N AM1/2L-1203SH30-N AM1/2L-1205SH30-N AM1/2L-1209SH30-N AM1/2L-1212SH30-N AM1/2L-1215SH30-N AM1/2L-1224SH30-N AM1/2L-2403SH30-N AM1/2L-2405SH30-N AM1/2L-2409SH30-N AM1/2L-2412SH30-N AM1/2L-2415SH30-N AM1/2L-2424SH30-N
5V10%
12V10%
24V10%
OUTLINE DIMENSIONS & PIN CONNECTIONS - SINGLE @ 1000VDC
Pin 1 2 3 4 5 6 7 8 Single Output -V Input +V Input N.C. -V Output +V Output N.C. N.C. N.C.
Continued on next page
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DC-DC CONVERTERS
3.3V10%
3.3VDC 5VDC 9VDC 12VDC 15VDC 24VDC 3.3VDC 5VDC 9VDC 12VDC 15VDC 24VDC 3.3VDC 5VDC 9VDC 12VDC 15VDC 24VDC 3.3VDC 5VDC 9VDC 12VDC 15VDC 24VDC
152mA 100mA 55mA 40mA 33mA 20mA 152mA 100mA 55mA 40mA 33mA 20mA 152mA 100mA 55mA 40mA 33mA 20mA 152mA 100mA 55mA 40mA 33mA 20mA
AM1/2L-N Series
MODELS
Dual Output
@ 1000VDC @ 3000VDC Input Voltage Output Voltage Max. Output Current
AM1/2L-0303D-N AM1/2L-0305D-N AM1/2L-0309D-N AM1/2L-0312D-N AM1/2L-0315D-N AM1/2L-0324D-N AM1/2L-0503D-N AM1/2L-0505D-N AM1/2L-0509D-N AM1/2L-0512D-N AM1/2L-0515D-N AM1/2L-0524D-N AM1/2L-1203D-N AM1/2L-1205D-N AM1/2L-1209D-N AM1/2L-1212D-N AM1/2L-1215D-N AM1/2L-1224D-N AM1/2L-2403D-N AM1/2L-2405D-N AM1/2L-2409D-N AM1/2L-2412D-N AM1/2L-2415D-N AM1/2L-2424D-N
AM1/2L-0303DH30-N AM1/2L-0305DH30-N AM1/2L-0309DH30-N AM1/2L-0312DH30-N AM1/2L-0315DH30-N AM1/2L-0324DH30-N AM1/2L-0503DH30-N AM1/2L-0505DH30-N AM1/2L-0509DH30-N AM1/2L-0512DH30-N AM1/2L-0515DH30-N AM1/2L-0524DH30-N AM1/2L-1203DH30-N AM1/2L-1205DH30-N AM1/2L-1209DH30-N AM1/2L-1212DH30-N AM1/2L-1215DH30-N AM1/2L-1224DH30-N AM1/2L-2403DH30-N AM1/2L-2405DH30-N AM1/2L-2409DH30-N AM1/2L-2412DH30-N AM1/2L-2415DH30-N AM1/2L-2424DH30-N
3.3V10%
5V10%
12V10%
24V10%
3.3VDC 5VDC 9VDC 12VDC 15VDC 24VDC 3.3VDC 5VDC 9VDC 12VDC 15VDC 24VDC 3.3VDC 5VDC 9VDC 12VDC 15VDC 24VDC 3.3VDC 5VDC 9VDC 12VDC 15VDC 24VDC
76mA 50mA 28mA 22mA 19mA 10mA 76mA 50mA 28mA 22mA 19mA 10mA 76mA 50mA 28mA 22mA 19mA 10mA 76mA 50mA 28mA 22mA 19mA 10mA
DC-DC CONVERTERS
OUTLINE DIMENSIONS & PIN CONNECTIONS - DUAL @ 1000VDC
Pin 1 2 3 4 5 6 7 8 9 10 Dual Output -V Input +V Input N.C. Common -V Output N.C. +V Output N.C. N.C. N.C.
EXTERNAL CAPACITOR TABLE
Vin Ext. Cap. Vout Ext. Cap.
5VDC 12VDC 24VDC
4.7uF 2.2uF 1uF
5VDC 9VDC 12VDC
4.7uF 2.2uF 1uF
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AM1/2L-N Series
OUTLINE DIMENSIONS & PIN CONNECTIONS FOR SINGLE & DUAL @ 3000VDC
Pin 1 2 3 5 6 7 8 10 11 12 Single -V Input +V Input N.C. -V Output N.C. N.C. +V Output N.C. N.C. N.C. Dual -V Input +V Input N.C. Common -V Output N.C. +V Output N.C. N.C. N.C.
EXTERNAL CAPACITOR TABLE
Vin Ext. Cap. Vout Ext. Cap.
5VDC 12VDC 24VDC -
4.7uF 2.2uF 1uF -
5VDC 9VDC 12VDC 15VDC
4.7uF 1uF 0.47uF
Note: All Pins on a 2.54mm pitch; All Pin diameters are 0.50 mm (Tolerance:0.25); All dimensions in mm.
TYPICAL CHARACTERISTICS
SINGLE OUTPUT MODELS
APPLICATION NOTE
General Application In regular circuits, our company's DC/DC converters may be used directly without any peripheral components (see Figure 2). The basic input/output isolation may be used to provide a group of simple isolated polar output power supplies or to generate power supply lines of different voltages. Voltage And Polarity Inversion A key performance of this DC/DC converter is high electric isolation capability. Thus, only one DC/DC converter may allow for several potential differences in the layout of circuit board. If necessary, you may connect the output end of the positive to input ground, then the negative output end will generate a negative voltage (see Figure 1). 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 filtering capacitor sees the External Capacitor Table. To get an extremely low ripple, a "LC" filter 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" filter network should be staggered with the DC/DC frequency to avoid mutual interference (see Figure 3). 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. Overload Protection Under normal operating conditions, the output circuit of these products has no protection against over-current and shortcircuits. The simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuits. 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 stabilizer with overheat protection that is connected to the input or output end in series (see Figure 4). Product Reliability The MTBF is the mean time between failures under full load. If the actual load is less than 20% of the rated load or greater than the rated load, then this productis reliability will be greatly reduced. Input Polarity Protection Under normal conditions, this productis input circuit has no protection against polarity inversion; the solution is to connect a diode in series at the input.
DUAL OUTPUT MODELS
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DC-DC CONVERTERS
2.2uF

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