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MGH2805S Datasheet(PDF) 3 Page - Crane Aerospace & Electronics. |
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MGH2805S Datasheet(HTML) 3 Page - Crane Aerospace & Electronics. |
3 / 18 page ![]() MCH/MGH Single and Dual DC/DC Converters Page 3 of 18 Rev E - 20060508 28 VOLT INPUT – 1.5 WATT Crane Aerospace & Electronics Power Solutions www.craneae.com OPERATING CONDITIONS AND CHARACTERISTICS Input Voltage Range • 12 to 50 VDC continuous • 80 V for 120 msec transient (70 V for 15 V single and dual models) Output Power • 1.5 W Capacitive Load • 200 μF single output models • 100 μF each output, dual output models Lead Soldering Temperature • Reflow 220°C 30 sec. max SN60, 62 or 63 recommended solder • Hand solder 300°C 10 sec. max per lead Storage Temperature Range (Case) • –65°C to +150°C Case Operating Temperature (Tc) • –55°C to +125°C full power • –55°C to +135°C absolute Derating Output Power/Current (Tc) • Linearly from 100% at 125°C to 0% at 135°C Output Voltage Temperature Coefficient • 100 ppm/°C typical Input to Output Capacitance • 100 to 170 pF typical Current Limit • 125% of full load typical Isolation • 100 megohm minimum at 500 V Audio Rejection • 40 dB typical Conversion Frequency (kHz) • 25°C 300 min, 370 typ, 450 max • –55°C to +125°C 270 min, 370 typ, 470 max Inhibit Pin Voltage (unit enabled) • 7 to 12 V Undervoltage Lockout • 8 V input typical INHIBIT Inhibit – TTL Open Collector • Logic low (output disabled) Logic low voltage ≤0.8 V Inhibit pin current 1 mA max • Referenced to input common • Logic high (output enabled) open collector MECHANICAL AND ENVIRONMENTAL Size (maximum) MCH models 0.980 x 0.805 x 0.270 inches (24.89 x 20.45 x 6.86 mm) See case A2 for dimensions. MGH models 1.010 x 0.880 x 0.250 inches (25.65 x 22.35 x 6.35 mm) Shown on page one with “gull wing” lead option, also available with straight leads. See case B for dimensions and options. Weight (maximum) 12 grams typical Screening Standard, ES, or 883 (Class H, QML). See “883, Class H, QML Products – Element Evaluation” and “883, Class H, QML Products – Environmental Screening” for more information. + POSITIVE INPUT INHIBIT FB SHUTDOWN PWM CONTROLLER INPUT COMMON +VIN +VOUT + + DUAL MODELS ONLY NEGATIVE OUTPUT OUTPUT COMMON POSITIVE OUTPUT 3 4 6 1 7 2 0.47 μF typical FIGURE 2: MCH BLOCK DIAGRAM |
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