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TEXAS INSTRUMENTS TL1453C handbook

1. MAX 0 020 0 51 MIN 7 87 0 290 7 37 PF TOCA ia NN 0 125 3 18 MIN Pale 0 100 2 54 0 021 0 53 0 015 0 38 0 010 0 25 V 0 010 0 25 NOM p q 14 18 PIN ONLY 4040049 C 08 95 NOTES A All linear dimensions are in inches millimeters B This drawing is subject to change without notice C Falls within JEDEC MS 001 20 pin package is shorter then MS 001 ki TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 5 TL1453C DUAL PULSE WIDTH MODULATION CONTROL CIRCUIT SLVS039A FEBRUARY 1990 REVISED DECEMBER 1990 NS R PDSO G PLASTIC SMALL OUTLINE PACKAGE 14 PIN SHOWN 0 15 NOM l A l Gage Plane 4 o Seating 00 MAX 0 05 MIN F 0 10 4040062 B 02 95 NOTES A All linear dimensions are in millimeters B This drawing is subject to change without notice C Body dimensions do not include mold flash or protrusion not to exceed 0 15 ki TEXAS INSTRUMENTS 6 POST OFFICE BOX 655303 DALLAS TEXAS 75265 IMPORTANT NOTICE Texas Instruments and its subsidiaries Tl reserve the right to make changes to their products or to discontinue any product or service without notice and advise cust
2. ENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 3 TL1453C DUAL PULSE WIDTH MODULATION CONTROL CIRCUIT SLVS039A FEBRUARY 1990 REVISED DECEMBER 1990 electrical characteristics over recommended operating free air temperature range Vcc 6 V f 200 kHz unless otherwise noted continued pwm comparator section PARAMETER TEST CONDITIONS MIN TYP MAX UNIT m Zero duty cycle 2 05 2 25 Input threshold voltage at f 10 kHz pins 5 and 12 V Maximum duty cycle 1 2 1 45 Input sink current pins 5 and 12 Vy 1 25 V 05 16 Input source current pins 5 and 12 Vj 1 25 V 45 70 total device PARAMETER TEST CONDITIONS MIN TYPT MAX UNIT Standby supply current Off state 1 3 1 8 Average supply current RT 10 kQ 1 7 2 4 t All typical values are at Ta 25 C test circuit TL1453C REF Sk 0 1 pF Cr 330 pF 10kQ SCP mee A R T IN 2 IN 2 2 FEEDBACK TEST 1 FEEDBACK 2 DEAD TIME INPUT TEST CONTROL INPUT 1 DEAD TIME CONTROL 2 OUTPUT OUTPUT 2 1 OUTPUT RL GND Vcc vcc RL OUTPUT 1 ki TEXAS INSTRUMENTS 4 POST OFFICE BOX 655303 DALLAS TEXAS 75265 TL1453C DUAL PULSE WIDTH MODULATION CONTROL CIRCUIT SLVS039A FEBRUARY 1990 REVISED DECEMBER 1990 N R PDIP T PLASTIC DUAL IN LINE PACKAGE 16 PIN SHOWN 0 260 6 60 0 240 6 10 we sr 8 4 a 0 070 1 78 MAX 0 310 7 87 0 035 0 89
3. TL1453C DUAL PULSE WIDTH MODULATION CONTROL CIRCUIT SLVS039A FEBRUARY 1990 REVISED DECEMBER 1990 Complete PWM Power Control Circuitry N OR NS PACKAGE Completely Synchronized Operation TOP VEW Internal Undervoltage Lockout Protection cl 1 16 REF Wide Supply Voltage Range RrU 2 15 SCP e Oscillator Frequency 500 kHz Max ERROR ae 3 141 h ERROR e Variable Dead Time Provides Control AMPLIFIER 1 IN 13 IN J AMPLIFIER 2 Sah k 7c ig rovides Contro 1 FEEDBACK 12 2 FEEDBACK er cotan mange 1 DEAD TIME CONTROL 11 2 DEAD TIME CONTROL Internal Regulator Provides a Stable 2 5 V 1 OUTPUTT 10 2 OUTPUT Reference Supply GND of Vcc description The TL1453C incorporates the functions required in the construction of two pulse width modulation control circuits on a single monolithic chip Designed primarily for power supply control the TL1453C contains an on chip 2 5 V regulator two error amplifiers an adjustable oscillator two dead time comparators undervoltage lockout circuitry and dual common emitter output transistor circuits The uncommitted output transistors provide common emitter output capability for each controller The internal amplifiers exhibit a common mode voltage range from 1 05 V to 1 45 V The dead time control comparator has no offset unless externally altered and may be used to provide 0 to 100 dead time The on chip oscillator may be operated by terminating Ry pin 2 and Cy
4. ee ai BEETA aAa e teens 21 mA Continuous total power dissipation cece eee eee eee ees See Dissipation Rating Table Operating free air temperature range Ta see cette ttt tenes 20 C to 85 C Storage temperature range 0 ccc ene e ees 65 C to 150 C Lead temperature 1 6 mm 1 16 inch from case for 10 seconds eee eects 260 C NOTE 1 All voltage values are with respect to network ground terminal DISSIPATION RATING TABLE Ta lt 25 C DERATING FACTOR TA 85 C POWER RATING ABOVE Ta 25 C POWER RATING N 1000 mW 8 mW C 520 mW NS 725 mW 5 8 mW C 397 mW PACKAGE recommended operating conditions S a electrical characteristics over recommended operating free air temperature range Vcc 6 V f 200 kHz unless otherwise noted reference section Vcc 3 6 V to 40 V lo 0 1 mA to 1 mA Short circuit output current t All typical values are at Ta 25 C ki TEXAS INSTRUMENTS 2 POST OFFICE BOX 655303 DALLAS TEXAS 75265 TL1453C DUAL PULSE WIDTH MODULATION CONTROL CIRCUIT SLVS039A FEBRUARY 1990 REVISED DECEMBER 1990 electrical characteristics over recommended operating free air temperature range Vcc 6 V f 200 kHz unless otherwise noted continued undervoltage lockout section PARAMETER TEST CONDITIONS MIN TYPt MAX UNIT Upper threshold voltage pin 9 lOref 0 1 mA Ta 25 2 v Ta 25 C Vv Lower thre
5. nt or represent that any license either express or implied is granted under any patent right copyright mask work right or other intellectual property right of TI covering or relating to any combination machine or process in which such semiconductor products or services might be or are used Tl s publication of information regarding any third party s products or services does not constitute Tl s approval warranty or endorsement thereof Copyright 1998 Texas Instruments Incorporated
6. omers to obtain the latest version of relevant information to verify before placing orders that information being relied on is current and complete All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement including those pertaining to warranty patent infringement and limitation of liability Tl warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with Tl s standard warranty Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty Specific testing of all parameters of each device is not necessarily performed except those mandated by government requirements CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH PERSONAL INJURY OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE CRITICAL APPLICATIONS TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANTED TO BE SUITABLE FOR USE IN LIFE SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER S RISK In order to minimize risks associated with the customer s applications adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards Tl assumes no liability for applications assistance or customer product design TI does not warra
7. pin 1 During low Vcc conditions the undervoltage lockout control circuit feature inhibits the output until the internal circuitry is operational The TL1453C is characterized for operation from 20 C to 85 C functional block diagram Voc 9 Vref 2 5 V 16 Triangle REF Oscillator 2V J N Error Amp 1 25V 1 4 V PWM Comparator 1 1 IN 7 b 1 OUTPUT 4 1 IN 1 FEEDBACK 5 2 FEEDBACK 12 Error Amp 2 21N 10 i 2 OUTPUT 1 2IN 2 2 5V DH 2 2 5 V rw PWM Comparator 2 _ me t 8 6 11 GND 1 DEAD TIME CONTROL 2 DEAD TIME CONTROL TUVLO Undervoltage Lockout Protection PRODUCTION DATA information is current as of publication date Copyright 1990 Texas Instruments Incorporated Products conform to specifications per the terms of Texas Instruments e A Production processing does not necessarily include ki TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 1 TL1453C DUAL PULSE WIDTH MODULATION CONTROL CIRCUIT SLVS039A FEBRUARY 1990 REVISED DECEMBER 1990 absolute maximum ratings over operating free air temperature range unless otherwise noted Supply voltage Voc see Note 1 2 cece eee eee erent tenet eee eee renee 41 V Ampllier input voltage siss risesnpssreise n ep e aa aa a a Ea EE ERE 20 V Collector output voltage 2 2 nccc ee eee nani ede na ede eee eed ped aa a aE i aa 51V Collector output current sismes simpa eee e
8. shold voltage pin 9 lOref 0 1 mA T 25 C V Hysteresis pin 9 lOref 0 1 mA Ta 25 C 80 120 oscillator section UNIT PARAMETER TEST CONDITIONS MIN TYPT MAX Frequency CT 330 pF RT 10 KQ Standard deviation of frequency Vcc Ta Rt CT values are constant 7 Frequency change with voltage Voc 3 6 V to 40 V Ta 20 C to 25 C 0 4 2 Frequency change with temperature Ta 25 C to 85 C 0 2 2 dead time control section PARAMETER TEST CONDITIONS Input bias current pins 6 and 11 Input threshold voltage at f 10kHz pins 6 and 11 12 1 45 error amplifier section Input offset voltage Vo pins 5 and 12 1 25 V Input offset current Vo pins 5 and 12 1 25 V UNIT uA V x N mV nA nA 1 05 Common mode input voltage range Vcc 3 6 V to 40 V to 1 45 Open loop voltage amplification RF 200 kQ Unity gain bandwidth Co et Positive output voltage swing Po Vref 0 1 Negative output voltage swing a en Output sink current pins 5 and 12 Vip 0 1V Vo 125v 05 16 Output Source current pins 5 and 12 Vip 0 1 V Vo 1 25 V output section PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Voo 0 _Vo 50V Collector off state current uA Vo 50V 70 80 Common mode rejection ratio 60 80 1 0 5 1 6 MHz V V mA Output saturation voltage lo 10 mA Short circuit output current Vo 6V O w0 m T All typical values are at Ta 25 C ki TEXAS INSTRUM

TEXAS INSTRUMENTS TL1453C handbook

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