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PT4683N Datasheet(PDF) 1 Page - Texas Instruments |
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PT4683N Datasheet(HTML) 1 Page - Texas Instruments |
1 / 13 page For technical support and more information, see inside back cover or visit www.ti.com Description The PT4680 Excalibur™ Series is a dual-output isolated DC/DC converter that combine state-of-the- art power conversion technology with unparalleled flexibility. Operating from a (–24V) industry standard input bus, the PT4680 series provides up to 20 ADC of output current from two independently regulated voltages (each output 15 ADC max). The PT4680 series is characterized with high efficiencies and ultra-fast transient response, and incorporates many features to facilitate system integration. These include a flexible “On/Off” enable control, output Features • Dual Outputs (Independently Regulated) • Power-up/Down Sequencing • Input Voltage Range: 18V to 36V • 1500 VDC Isolation • Temp Range: –40° to 100°C • High Efficiency: 88% • Fixed Frequency Operation • Over-Current Protection (Both Outputs) Ordering Information Pt. No. Vo1/Vo2 PT4681 o = 5.0/3.3 Volts PT4682 o = 3.3/2.5 Volts PT4683 o = 3.3/1.8 Volts PT4685 o = 3.3/1.5 Volts PT4686 o = 2.5/1.8 Volts PT4687 o = 5.0/1.8 Volts Typical Application PT4680 +Vin EN 1* EN 2 –Vin Vo 1 ad j Vo 2 ad j Vo 1 Vo 2 COM 9–12 21–24 14–19 L O A D L O A D Vo 1 Vo 2 V 1 Adjust V 2 Adjust +V IN –V IN 20 13 1 4 3 2 COM * Inverted logic • Dual Logic On/Off Control • Over-Temperature Shutdown • Over-Voltage Protection (Coordinated Shutdown) • Under-Voltage Lockout • Input Differential EMI Filter • Solderable Copper Case • Safety Approvals (Pending): UL 60950 CSA 22.2 60950 current limit, over-temperature pro- tection, and an input under-voltage lock-out. In addition, both output voltages are designed to meet the power-up/power -down sequencing requirements of popular DSP ICs. The PT4680 series is housed in space-saving solderable copper case. The package does not require a heatsink and is available in both vertical and horizontal configura- tions, including surface mount. The ‘N’ configuration occupies less than 2 in² of PCB area. PT Series Suffix (PT1234 x ) Case/Pin Order Package Configuration Suffix Code Vertical N (EKD) Horizontal A (EKA) SMD C (EKC) (Reference the applicable package code draw- ing for the dimensions and PC board layout) PT4680 Series 20-A 24-V Input Dual Output Isolated DC/DC Converter SLTS141A (Revised 1/28/2002) |
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