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| AM1S-N Series 1 watt dc-dc converters * * * * 4PIN SIP PACKAGE LOW RIPPLE & NOISE HIGH EFFICIENCY UP TO 81% UL94-VO PACKAGE * * * INPUT/OUTPUT ISOLATION: 1000 & 3000VDC OPERATING TEMPERATURE: -40C ... +85C PIN-COMPATIBLE WITH MULTIPLE MANUFACTURERS Our AM1S-N series is a family of cost effective 1W single output isolated DC/DC converters. These converters achieve low cost and ultra-miniature SIP4 pin size without compromising performance and reliability. Twenty models operate from input voltages of 5, 12 & 24VDC; producing 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. Input Specifications: Voltage range Filter Isolation Specifications: Rated voltage (60 sec) Resistance Capacitance Output Specifications: Voltage accuracy Ripple & noise (at 20MHz BW) Short circuit protection Line voltage regulation Load voltage regulation Temperature coefficient 10% Capacitor 1000 & 3000VDC > 1000MOhm 60pF, typ. see tolerance envelope graph 75mVp-p, typ 1 sec 1.2% / 1.0% of Vin 10% max, load=10~100% 0.03%/C, max. General Specifications: Efficiency Switching frequency 78% to 81% 150KHz, typ. 100% load 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 Physical Specifications: Dimensions Weight Case material 11.7x6.0x10.0mm 0.46x0.24x0.4inches 1.8g Plastic UL94-VO MTBF: > 1,000,000 hrs (MIL-HDBK-217F, Ground Benign, t=+25C) Specifications are subject to change without notification OUTLINE DIMENSIONS & PIN CONNECTIONS Pin 1 2 3 4 1000 & 3000VDC Single -V Input +V Input -V Output +V Output 7 Continued on next page VISIT US AT WWW.AIMTEC.CA DC-DC CONVERTERS GENERAL DESCRIPTION AM1S-N Series MODELS Single output Models Isolation 1000VDC AM1S-0505S-N AM1S-0509S-N AM1S-0512S-N AM1S-0515S-N AM1S-1205S-N AM1S-1209S-N AM1S-1212S-N AM1S-1215S-N AM1S-2405S-N AM1S-2409S-N AM1S-2412S-N AM1S-2415S-N Isolation 3000VDC AM1S-0505SH30-N AM1S-0509SH30-N AM1S-0512SH30-N AM1S-0515SH30-N AM1S-1205SH30-N AM1S-1209SH30-N AM1S-1212SH30-N AM1S-1215SH30-N Input Voltage Ouput Voltage 5VDC 9VDC 12VDC 15VDC 5VDC 9VDC 12VDC 15VDC 5VDC 9VDC 12VDC 15VDC Ouput Current max. 200mA 110mA 83mA 67mA 200mA 110mA 83mA 67mA 200mA 110mA 83mA 67mA 5V10% DC-DC CONVERTERS 12V10% 24V10% No Load power consumption 10% of nominal power (typical) TYPICAL CHARACTERISTICS 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. 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 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). C C External Capacitor Table Vin External Capacitor Vout External Capacitor 8 5VDC 12VDC 24VDC - 4.7uF 2.2uF 1uF - 5VDC 9VDC 12VDC 15VDC 10uF 4.7uF 2.2uF 1uF TO ORDER CALL 1-888-9-AIMTEC |
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