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UCC2580D-3 Datasheet(PDF) 2 Page - Texas Instruments |
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UCC2580D-3 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 18 page 2 UCC1580-1,-2,-3,-4 UCC2580-1,-2,-3,-4 UCC3580-1,-2,-3,-4 VDD ...........................................16V IVDD.......................................... 25mA LINE, RAMP ........................ 0.3V to VDD + 1V ILINE,IRAMP .....................................5mA DELAY ........................................ 5.3V IDELAY ........................................ 5mA IOUT1 (tpw < 1 s and Duty Cycle < 10%) ....... 0.6A to 1.2A IOUT2 (tpw < 1 s and Duty Cycle < 10%) ....... 0.4A to 0.4A ICLK................................ 100mA to 100mA OSC1, OSC2, SS, SHTDWN, EAIN ..... 0.3V to REF + 0.3V IEAOUT.................................. 5mAto5mA IREF ......................................... 30mA PGND .................................. 0.2V to 0.2V Storage Temperature .................. -65°C to +150°C Junction Temperature .................. -55°C to +150°C Lead Temperature (Soldering, 10 sec.) ............. +300°C All voltages are with respect to ground unless otherwise stated. Currents are positive into, negative out of the specified termi- nal. Consult Packaging Section of Databook for thermal limita- tions and considerations of packages. ABSOLUTE MAXIMUM RATINGS CONNECTION DIAGRAMS DIL-16, SOIC-16 (Top View) J, N, or D Packages ORDER INFORMATION The main gate drive output (OUT1) is controlled by the pulse width modulator. The second output (OUT2) is in- tended to activate an auxiliary switch during the off time of the main switch, except that between each transition there is deadtime where both switches are off, pro- grammed by a single external resistor. This design offers two options for OUT2, normal and inverted. In the -1 and -2 versions, OUT2 is normal and can be used to drive PMOS FETs. In the -3 and -4 versions, OUT2 is inverted and can be used to drive NMOS FETs. In all versions, both the main and auxiliary switches are held off prior to startup and when the PWM command goes to zero duty cycle. During fault conditions, OUT1 is held off while OUT2 operates at maximum duty cycle with a guaran- teed off time equal to the sum of the two deadtimes. Undervoltage lockout monitors supply voltage (VDD), the precision reference (REF), input line voltage (LINE), and the shutdown comparator (SHTDWN). If after any of these four have sensed a fault condition, recovery to full operation is initiated with a soft start. VDD thresholds, on and off, are 15V and 8.5V for the -2 and -4 versions, 9V and 8.5V for the -1 and -3 versions. The UCC1580-x is specified for operation over the mili- tary temperature range of -55°C to 125°C. The UCC2580-x is specified from -40°C to 85°C. The UCC3580-x is specified from 0°C to 70°C. Package op- tions include 16-pin surface mount and dual in-line. DESCRIPTION (cont.) |
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Similar Description - UCC2580D-3 |
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