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PT3323 Datasheet(PDF) 1 Page - Texas Instruments |
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PT3323 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 9 page For technical support and more information, see inside back cover or visit www.ti.com PT3320 Series 30-W 48-V Input Isolated DC/DC Converter Standard Application Cin = Optional 100µF/100V electrolytic Cout = Required 330µF electrolytic (See Notes) Q 1 = N-Channel MOSFET R 1/C1 = Optional (see application notes) PT3320 2 19 7, 8, 9 14-17 4-6 10-12 13 L O A D C IN + V O Adjust +V IN Inhibit +REMOTE SENSE –REMOTE SENSE +V O –V O –V IN Q 1 C OUT + 18 R 1 C 1 Features • Input Voltage Range: 36V to 75V • 1500 VDC Isolation • On/Off Control • Vo Adjust • Differential Remote Sense • Current Limit • Short-Circuit Protection • Over-Temperature Shutdown Description The PT3320 series is a single-output isolated DC/DC converter, housed in a 19-pin aluminum SIP package. These modules are UL, CSA, and VDE ap- proved for telecom applications, and rated at 30 watts or 8 A. Standard output voltages range from 1.8 V to 15 V, each adjustable by up to ±10% of nominal. Operating features include a remote on/off control, an under-voltage-lockout (UVLO), and a differential remote sense. The PT3320 series also incorporates many protection features. These include output current limit, short-circuit pro- tection, and over-temperature shutdown. A 330µF of output capacitance is required for proper operation. Ordering Information PT3321 H = 3.3V/8A (26.4W) PT3322 H = 5.0V/6A PT3323 H = 12.0V/2.5A PT3324 H = 15.0V/2A PT3325 H = 2.0V/8A (16W) PT3326 H = 2.5V/8A (20W) PT3327 H = 1.8V/8A (14.4W) PT3328 H = 5.2V/6A Pin-Out Information Pin Function 1 Do Not Use 2 Remote On/Off † 3 Do Not Use 4-Vin 5-Vin 6-Vin 7+Vin 8+Vin 9+Vin 10 -Vo 11 -Vo 12 -Vo 13 -Remote Sense 14 +Vo 15 +Vo 16 +Vo 17 +Vo 18 Vo Adjust † 19 +Remote Sense † For more information, see application notes. SLTS018B (Revised 4/9/2002) • Undervoltage Lockout • UL1950 Recognized • Flexible SIP Package • CSA 22.2 950 Certified • EN60950 Approved • VDE Licensed • 4.9 x106 Hrs MTBF • Meets FCC Class A Radiated Limits PT Series Suffix (PT1234 x ) Case/Pin Order Package Configuration Suffix Code * Vertical N (EHG) Horizontal A (EHH) SMD C (EHJ) * Previously known as package styles 840 & 850. (Reference the applicable package code draw- ing for the dimensions and PC board layout) |
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