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AM20U-C Series
20 watt dc-dc converters
• POWER MODULES FOR PCB MOUNTING • V-OUT TRIM AND ON/OFF CONTROL • REGULATED OUTPUT • LOW RIPPLE & NOISE
DC-DC CONVERTERS
GENERAL DESCRIPTION
Our AM20U-C series is a family of cost effective 20W single, dual & triple 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 50.8x50.8x10.8mm. The high performance features of our AM20U-C components include short circuit protection with hiccup auto recovery, tight line regulation and a high efficiency operation coefficient up to 82%. Thirty models operate from an input voltage range of 12, 24 & 48VDC producing single, dual or triple output voltages. 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 Output Specifications: Voltage accuracy Ripple Noise Short circuit protection Over current protection
Filter Isolation Specifications: Rated voltage Resistance Capacitance General Specifications: Efficiency Switching frequency
12VDC, 9~18VDC 24VDC, 18~36VDC 48 VDC, 36~75VDC p (Pi) Network
1500VDC >1000 Mohms 1000pF
77% to 82% 200KHz, typ. 100% load
±2%, max. <0.2% Vout +20mVmax (Vp-p) <0.5% Vout +50mVmax (Vp-p) Hiccup, auto-recovery Works over 120% of rating and recovers automatically Over voltage protection Zener diode clamp protection Line regulation (HL-LL) ±0.5%, typ. ±1%/±5%-for triple output Load regulation(10-100%) ±0.5%, typ. ±3% -dual; ±3%/±5%-triple Temperature coefficient ±0.02%/°C, typ. Physical Specifications: Dimensions 50.8x50.8x10.8mm 2.0x2.0x0.42inches Weight 70g 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
Specifications are subject to change without notification
MTBF: > 550,000 hrs (MIL-HDBK-217F, Ground Benign, t=+25ºC)
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AM20U-C Series
OUTLINE DIMENSIONS & PIN CONNECTIONS
MECHANICAL DIMENSION (Top View)
Pin Single Dual Triple
BLOCK DIAGRAM
Single Output
DERATING
Dual Output
TRIMMING
Triple Output
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DC-DC CONVERTERS
1 2 3 4 5 6 7
On/Off -V Input +V Input Trim -V Output +V Output N.C.
On/Off -V Input +V Input Trim -V Output Common +V Output
On/Off -V Input +V Input -V Output Common +5V Output +V Ouput
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AM20U-C Series
MODELS
Single output Models AM20U-1203SC AM20U-1205SC AM20U-1212SC AM20U-1215SC AM20U-1224SC AM20U-2403SC AM20U-2405SC AM20U-2412SC AM20U-2415SC AM20U-2424SC AM20U-4803SC AM20U-4805SC AM20U-4812SC AM20U-4815SC AM20U-4824SC Input Voltage Ouput Voltage 3.3VDC 5VDC 12VDC 15VDC 24VDC 3.3VDC 5VDC 12VDC 15VDC 24VDC 3.3VDC 5VDC 12VDC 15VDC 24VDC Ouput Current max. 4000mA 4000mA 1670mA 1330mA 830mA 4000mA 4000mA 1670mA 1330mA 830mA 4000mA 4000mA 1670mA 1330mA 830mA
9VDC-18VDC
DC-DC CONVERTERS
18VDC-36VDC
36VDC-75VDC
Dual output Models AM20U-1205DC AM20U-1212DC AM20U-1215DC AM20U-2405DC AM20U-2412DC AM20U-2415DC AM20U-4805DC AM20U-4812DC AM20U-4815DC Input Voltage 9VDC-18VDC Ouput Voltage ±5VDC ±12VDC ±15VDC ±5VDC ±12VDC ±15VDC ±5VDC ±12VDC ±15VDC Ouput Current max. ±2000mA ±830mA ±660mA ±2000mA ±830mA ±660mA ±2000mA ±830mA ±660mA
18VDC-36VDC
36VDC-75VDC
Triple output Models AM20U-12512TC AM20U-12515TC AM20U-24512TC AM20U-24515TC AM20U-48512TC AM20U-48515TC Input Voltage 9VDC-18VDC 18VDC-36VDC 36VDC-75VDC Ouput Voltage 5/±12VDC 5/±15VDC 5/±12VDC 5/±15VDC 5/±12VDC 5/±15VDC Ouput Current max. 2500/±300mA 2500/±250mA 2500/±300mA 2500/±250mA 2500/±300mA 2500/±250mA
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