PRELIMINARY Isolated DC-DC Converters MYC60W Series -- 60Watt Bothhand USA Features z Wide 4 : 1 Input Voltage Range (9~36V,18~75V) z Remote On/Off z Input / Output Isolation Voltage: 1.5k VDC z Operating Temperature Range: -55°C to +95°C(with derating) z Output Short Circuit Protection: Hiccup & Auto Recovery z Over Voltage Protection: Clamp Mode z Over Temperature Protection z Lead Free Design, RoHS Compliant z Adjustable Output Voltage z Customer Design Available Description The MYC60W Series are isolated 60W DC/DC converters. Designed with highly efficiency, allow the operating temperature range of these units to be -55°C to +95°C (with derating) in a five-sided shielded metal case. Further features include wide 4 : 1 input voltage range, remote on/off control, short-circuit protection, over voltage protection and over temperature protection. Applications These converters are well suitable for battery operated equipment, measurement equipment, telecom, wireless network, Industry control system, everywhere where isolated, tightly regulated voltages and compact size are required. All specifications are typical at nominal input, full load and 25°C unless otherwise stated. Output Output Current (mA) Input Current (mA) Input Voltage Eff .(2) Capacitive Voltage (1) Range (%) Load, max. Full. Load No Load Full Load (Vdc) Min. Load (uF) Technical Specification Model Number MYC60-24S1W 5 50 12000 110 3205 82 1000 9~36V MYC60-24S2W Nominal:24VDC 12 50 5000 110 3086 85 330 MYC60-24S5W 24 90 2500 110 3086 85 100 MYC60-48S1W 5 50 12000 50 1582 83 1000 18~75V MYC60-48S2W Nominal:48VDC 12 50 5000 50 1524 86 330 MYC60-48S5W 24 90 2500 50 1524 86 100 [email protected] www.bothhandusa.com PRELIMINARY Bothhand USA Isolated DC-DC Converters MYC60W Series -- 60Watt Input Specifications Input voltage 24V nominal input 9-36Vdc 48V nominal input 18-75Vdc Input filter Pi type Input surge voltage 24V input 50Vdc (100ms max.) 48V input 100Vdc Input reflected ripple current Nominal Vin and full load Start up time Nominal Vin and constant resistive load Remote ON/OFF Converter: ON Converter: OFF 200mAp-p typ. 150ms typ. Open or 3.5V＜Vr＜12V Short (3) or 0V＜Vr＜1.2V Sourcing current of remote control pin Nominal Vin ＜0.2 mA Idle input current (at Remote OFF state) Nominal Vin ＜20 mA Environmental Specifications Operating ambient temperature -55°C to +95°C (with derating) Maximum case temperature +105°C Storage temperature range -55°C to +125°C Relative humidity 95% RH max. Temperature coefficient ±0.02% / °C max. Output Specifications Output power Voltage accuracy 60 Watts max. Full load and nominal Vin Minimum load ±1% See table Line regulation LL to HL at full load ±0.5% Load Regulation 25% load to full load ±0.5% Ripple and Noise (20MHz Bandwidth) Over voltage protection (Zener Diode Clamp) 5Vout & 12Vout models 100mVp-p max. 24Vout models 200mVp-p max. 5Vout models 6.2V 12Vout models 15V 24Vout models 27V Capacitive load Over load protection See table % of full load at nominal input Thermal shutdown 110°C typ. Short circuit protection Hiccup, automatic recovery Transient response settling time 50% load step change Transient response over shoot di/dt=0.8A/μs [email protected] 110% min. www.bothhandusa.com 7.7ms typ. ≤ ±8% of Vo PRELIMINARY Isolated DC-DC Converters MYC60W Series -- 60Watt Bothhand USA General Specifications Efficiency Nominal input See table Isolation voltage Input to output 1500VDC Isolation resistance 500VDC 9 10 Ohms min. Isolation capacitance 250pF typ. Switching frequency 300kHz typ. Reliability, calculated MTBF 5 7.18 × 10 Hrs Cooling Forced-air cooling 1.5m/s Physical Specifications Case material Aluminum Potting material Silicon rubber (UL94V-0) 2.40 × 2.28 × 0.5 Inch Dimensions (61.0 × 57.9 × 12.7 mm) Weight 97g (3.42oz) (typical) 260℃/10Sec (maximum) Lead-free wave soldering MYC60-24S5W MYC60-24S5W Power Derating Curve without Heatsink Power Derating Curve with Heatsink 120 100 80 60 40 20 0 120 100 80 60 40 20 0 Output Power (%) Output Power (%) Soldering temperature 55 5 25 45 65 85 105 125 60 -55 -35 -15 Ambient Temp.TA (℃) 25 45 65 85 105 125 Ambient Temp.TA (℃) MYC60-24S5W MYC60-24S5W Input voltage vs. Efficiency Output Current vs. Efficiency 90 90 85 80 75 70 65 60 55 50 85 80 Efficiency % Efficiency % 5 2.5 -15 2.25 -35 2 -55 75 70 65 60 55 50 30 33 36 Input voltage (V) [email protected] Output Current (A) www.bothhandusa.com 1.75 27 1.5 24 1.25 21 1 18 0.75 15 0.5 12 0.25 9 PRELIMINARY Isolated DC-DC Converters MYC60W Series -- 60Watt Bothhand USA Note 1. Io below this value will not damage these converters, however, they may not meet all listed specifications. 2. Typical value, tested at nominal input and full load. 3. Short to -Vin (Pin 2). Mechanical Dimensions 4-M3x0.5 (Through hole) Pin Assignment Pin Single 1 +Vin 2 -Vin Remote On/Off 3 4 -Sense 5 +Sense 6 +Vout 7 -Vout 8 Trim 4 1 2 Bottom view 3 5 6 7 8 Pin diameter: 1.0 [0.04] Unit: mm [inch] Tolerance: ±0.5 [0.02] Heat-sink Material: Aluminum Weight: 35g (1.23oz) (without converter) Note: For volume orders, converters will be supplied with heat-sink already mounted. Please contact factory for quotation. [email protected] www.bothhandusa.com PRELIMINARY Isolated DC-DC Converters MYC60W Series -- 60Watt Bothhand USA Remote Sense Application circuit The Remote Sense function is used to compensate for the voltage drop incurred when the load is located physically far away from the DC/DC converter providing its power. The Remote Sense pins are connected as close to the load as possible. The DC/DC converter’s regulation specification is maintained across the points where the Remote Sense wires are connected at the load. This will remove the effect of the voltage drop caused by the resistance of the wires used to conduct the power from the DC/DC converter to the load. This is represented by RCL1 and RCL2. With the use of Remote Sense, the effects of RCL1 and RCL2 are eliminated. If the Remote Sense function is not used, the +Sense has to be connected to +Vout and the –Sense has to be connected to –Vout as close to the DC/DC converter as possible. RCL1 +Vout +Vin +Sense Load -Vin -Sense -Vout RCL1 and RCL2 are line resisters [email protected] www.bothhandusa.com RCL2