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| 1 TC1412 TC1412N 2A HIGH-SPEED MOSFET DRIVERS FEATURES s s s s s s s s s s Latch-Up Protected: Will Withstand 500mA Reverse Current Input Will Withstand Negative Inputs Up to 5V ESD Protected .....................................................4kV High Peak Output Current .................................. 2A Wide Operating Range .......................... 4.5V to 16V High Capacitive Load Drive Capability .......................... 1000pF in 18nsec Short Delay Time .................................. 35nsec Typ Consistent Delay Times With Changes in Supply Voltage Matched Delay Times Low Supply Current -- With Logic "1" Input ................................. 500A -- With Logic "0" Input ................................. 150A Low Output Impedance ....................................... 4 Pinout Same as TC1410/11/13 GENERAL DESCRIPTION The TC1412/1412N are 2A CMOS buffer/drivers. They will not latch up under any conditions within their power and voltage ratings. They are not subject to damage when up to 5V of noise spiking of either polarity occurs on the ground pin. They can accept, without damage or logic upset, up to 500 mA of current of either polarity being forced back into their output. All terminals are fully protected against up to 4 kV of electrostatic discharge. As MOSFET drivers, the TC1412/1412N can easily switch 1000 pF gate capacitance in 18 ns with matched rise and fall times, and provide low enough impedance in both the ON and the OFF states to ensure the MOSFET's intended state will not be affected, even by large transients. The rise and fall time edges are matched to allow driving short-duration inputs with greater accuracy. 2 3 4 5 6 7 s s ORDERING INFORMATION PIN CONFIGURATIONS VDD 1 IN 2 NC 3 GND 4 2 6, 7 8 VDD 7 OUT VDD 1 IN 2 NC 3 GND 4 2 6, 7 8 VDD 7 OUT Part No. TC1412COA TC1412CPA TC1412EOA TC1412EPA TC1412NCOA TC1412NCPA TC1412NEOA TC1412NEPA Package 8-Pin SOIC 8-Pin Plastic DIP 8-Pin SOIC 8-Pin Plastic DIP 8-Pin SOIC 8-Pin Plastic DIP 8-Pin SOIC 8-Pin Plastic DIP Temp. Range 0C to +70C 0C to +70C - 40C to +85C - 40C to +85C 0C to +70C 0C to +70C - 40C to +85C - 40C to +85C TC1411 6 OUT 5 GND TC1411N 6 OUT 5 GND INVERTING NONINVERTING NC = NO INTERNAL CONNECTION NOTE: SOIC pinout is identical to DIP. FUNCTIONAL BLOCK DIAGRAM TC1411 INVERTING OUTPUTS VDD 300mV OUTPUT NONINVERTING OUTPUTS INPUT 4.7V TC1411N GND EFFECTIVE INPUT C = 10pF 8 TC1412/N-7 10/11/96 TELCOM SEMICONDUCTOR, INC. 4-195 2A HIGH-SPEED MOSFET DRIVERS TC1412 TC1412N ABSOLUTE MAXIMUM RATINGS* Supply Voltage ......................................................... +20V Input Voltage, IN A or IN B . (VDD + 0.3V) to (GND - 5.0V) Maximum Chip Temperature ................................. +150C Storage Temperature Range ................ - 65C to +150C Lead Temperature (Soldering, 10 sec) ................. +300C Package Thermal Resistance CerDIP RJ-A ................................................ 150C/W CerDIP RJ-C .................................................. 50C/W PDIP RJ-A ................................................... 125C/W PDIP RJ-C ..................................................... 42C/W SOIC RJ-A ................................................... 155C/W SOIC RJ-C ..................................................... 45C/W Operating Temperature Range C Version ............................................... 0C to +70C E Version .......................................... - 40C to +85C Power Dissipation (TA 70C) Plastic .............................................................730mW CerDIP ............................................................800mW SOIC ...............................................................470mW *Static-sensitive device. Unused devices must be stored in conductive material. Protect devices from static discharge and static fields. Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS: Over operating temperature range with 4.5V VDD 16V, unless otherwise specified. Typical values are measured at TA = 25C; VDD = 16V. Symbol Input VIH VIL IIN Logic 1 High Input Voltage Logic 0 Low Input Voltage Input Current 2.0 -- -1 - 10 -- -- -- -- -- -- 4 5 5 2.0 -- -- 0.8 1 10 -- 0.025 6 7 7 -- -- V V A Parameter Test Conditions Min Typ Max Unit -5V VIN VDD TA = 25C - 40C TA 85C Output VOH VOL RO High Output Voltage Low Output Voltage Output Resistance DC Test VDD - 0.025 DC Test -- VDD = 16V, IO = 10mA TA = 25C -- -- 0C TA 70C - 40C TA 85C -- VDD = 16V -- Duty Cycle 2% 0.5 VDD = 16V t 300 sec Figure 1 TA = 25C 0C TA 70C - 40C TA 85C TA = 25C 0C TA 70C - 40C TA 85C TA = 25C 0C TA 70C - 40C TA 85C TA = 25C 0C TA 70C - 40C TA 85C -- -- -- -- -- -- -- -- -- -- -- -- -- -- V V IPK IREV Peak Output Current Latch-Up Protection Withstand Reverse Current Rise Time A A Switching Time (Note 1) tR 18 20 22 18 20 22 35 40 40 35 40 40 0.5 0.1 26 31 31 26 31 31 45 50 50 45 50 50 1.0 0.15 nsec tF Fall Time Figure 1 nsec tD1 Delay Time Figure 1 nsec tD2 Delay Time Figure 1 nsec Power Supply IS Power Supply Current VIN = 3V VIN = 0V VDD = 16V mA NOTE: 1. Switching times are guaranteed by design. 4-196 TELCOM SEMICONDUCTOR, INC. 2A HIGH-SPEED MOSFET DRIVERS TC1412 TC1412N +5V INPUT 1 90% 2 tR 90% VDD= 16V 4.7F 0.1F 0V VDD 10% tD1 90% tF tD2 OUTPUT 1,8 INPUT 2 6,7 0V OUTPUT 10% 10% 3 4 CL = 1000pF Inverting Driver TC1412 +5V INPUT 90% TC1412 TC1412N 4,5 0V VDD 10% 90% 90% tD2 10% INPUT: 100 kHz, square wave, tRISE = tFALL 10nsec tD1 OUTPUT 0V 10% tR tF Noninverting Driver TC1412N 5 6 7 Figure 1. Switching Time Test Circuit Thermal Derating Curves 1600 1400 8 Pin DIP 8 Pin CerDIP 1000 800 8 Pin SOIC 600 400 200 0 0 10 20 30 40 50 60 70 80 90 100 110 120 MAX. POWER (mV) 1200 AMBIENT TEMPERATURE (C) 8 TELCOM SEMICONDUCTOR, INC. 4-197 2A HIGH-SPEED MOSFET DRIVERS TC1412 TC1412N TYPICAL CHARACTERISTICS Quiescent Supply Current vs. Supply Voltage TA = 25C 500 500 Quiescent Supply Current vs. Temperature VSUPPLY = 16V VIN = 3V 400 400 ISUPPLY (A) ISUPPLY (A) VIN = 3V 300 300 200 200 100 0 4 6 8 10 12 VIN = 0V 14 16 100 0 -40 VIN = 0V -20 0 20 40 60 80 VDD (VOLTS) TEMPERATURE (C) Input Threshold vs. Supply Voltage TA = 25C 1.6 1.6 Input Threshold vs. Temperature VSUPPLY = 16V VTHRESHOLD (VOLTS) VTHRESHOLD (VOLTS) 1.5 1.5 VIH 1.4 VIH 1.4 1.3 1.3 1.2 1.1 4 VIL 1.2 VIL 1.1 6 8 10 12 14 16 -40 -20 0 20 40 60 80 VDD (VOLTS) TEMPERATURE (C) High-State Output Resistance 13 11 13 11 9 T A Low-State Output Resistance Rds (ON) W 9 7 5 3 1 4 6 8 10 12 14 16 =8 Rds (ON) W 5C TA = 25C 7 5 T A =8 5C TA = 2 5C TA = -40C TA = -4 0C 3 1 4 6 8 10 12 14 16 VDD (VOLTS) 4-198 VDD (VOLTS) TELCOM SEMICONDUCTOR, INC. 2A HIGH-SPEED MOSFET DRIVERS TC1412 TC1412N TYPICAL CHARACTERISTICS (Cont.) Rise Time vs. Supply Voltage CLOAD = 1800pF 70 60 50 70 60 50 1 Fall Time vs. Supply Voltage CLOAD = 1800pF 2 3 40 30 TFALL (nsec) TRISE (nsec) TA = 85C TA = 25C 40 TA = 85C 30 TA = 25C 20 20 TA = -40C 10 4 6 8 10 12 14 16 10 4 TA = -40C 6 8 10 12 14 16 VDD (VOLTS) VDD (VOLTS) TD1 Propagation Delay vs. Supply Voltage CLOAD = 1800pF 100 90 80 TD2 Propagation Delay vs. Supply Voltage CLOAD = 1800pF 100 90 80 4 5 TD1 (nsec) 60 50 40 30 20 4 TA = 85C TA = 25C TD2 (nsec) 70 70 60 50 40 30 TA = 85C TA = 25C TA = -40C TA = -40C 6 8 10 12 14 16 20 4 6 8 10 12 14 16 VDD (VOLTS) VDD (VOLTS) 6 7 Rise and Fall Times vs. Capacitive Load TA = 25C, VDD = 16V TRISE TFALL Propagation Delays vs. Capacitive Load TA = 25C, VDD = 16V PROPAGATION DELAYS (nsec) 60 50 39 38 37 36 35 34 33 32 0 1000 2000 3000 4000 5000 TRISE, TFALL (nsec) TD2 40 30 20 10 0 TD1 0 1000 2000 3000 4000 5000 CLOAD (pF) CLOAD (pF) 4-199 8 TELCOM SEMICONDUCTOR, INC. |
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