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AM20E-C Series
20 watt dc-dc converters
• POWER MODULES FOR PCB MOUNTING • SYNCHRONOUS RECTIFIER TOPOLOGY • SURFACE MOUNT TECHNOLOGY • STANDARD 2”x1” PACKAGE AND PINOUT • REMOTE ON/OFF CONTROL ( OPTIONAL)
DC-DC CONVERTERS
GENERAL DESCRIPTION
Our AM20E-C series is a family of cost effective 20W single output DC-DC converters. These converters are shielded on all six sides and encapsulated with a nickel-coated copper with a non-conductive base and dimensions of 50.8x25.4x10.5mm. The high performance features of our AM20E-C components include short circuit protection with current limit auto recovery, tight line regulation and a high efficiency operation coefficient up to 88%. Six models operate from an input voltage range of 24 & 48VDC then converts it into output voltages of 2.5, 3,3 & 5VDC. The normal operation is specified over the full operating temperature range of -25°C to +71°C with no derating required. Cooling is done by free air convection.
ELECTRICAL SPECIFICATIONS
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated. Input Specifications: Voltage range Filter Isolation Specifications: Rated voltage Resistance Capacitance General Specifications: Efficiency Switching frequency Output Specifications: Voltage accuracy Ripple Noise Short circuit protection Over current protection
24VDC, 18~36VDC 48 VDC, 36~75VDC p (Pi) Network 1500VDC >1000 Mohms 1000pF 85% to 88% 400KHz, typ. 100% load
±2% <0.2% Vout +20mVmax (Vp-p) <0.5% Vout +50mVmax (Vp-p) Current limit, auto-recovery Works over 120% of rating and recovers automatically Over voltage protection Zener diode clamp protection Line regulation (HL-LL) ±0.5%(typ.) Load regulation (10-100%) ±1%(typ.) Temperature coefficient ±0.02%/°C Physical Specifications: Dimensions 50.8x25.4x10.5mm, 2.0x1.0x0.413inches Weight 32g Case material Nickel-Coated Copper with Non-Conductive base, six sides’ shielded
Environmental Specifications: Operating temperature -25°C …+71°C Storage temperature -55°C …+105°C Case temperature +95°C, max. Humidity (non-condensing) Up to 95% Cooling Free-air convection
MTBF: > 550,000 hrs (MIL-HDBK-217F, Ground Benign, t=+25ºC) Specifications are subject to change without notification
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AM20E-C Series
OUTLINE DIMENSIONS & PIN CONNECTIONS
MECHANICAL DIMENSION (Top View)
Pin 1 2 3 4 5 6
Single On/Off Control (Optional) -V Input +V Input -V Iutput No pin +V Output
DERATING
BLOCK DIAGRAM
MODELS
Single output Models AM20E-2402SC AM20E-2403SC AM20E-2405SC AM20E-4802SC AM20E-4803SC AM20E-4805SC Input Voltage 18VDC-36VDC Ouput Voltage 2.5VDC 3.3VDC 5VDC 2.5VDC 3.3VDC 5VDC Ouput Current max. 5000mA 4250mA 4000mA 5000mA 4250mA 4000mA
36VDC-75VDC
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DC-DC CONVERTERS
