TL142

TL1431 : The TL1431 device is a precision programmable reference with specified thermal stability over automotive, commercial, and military temperature ranges. The output voltage can be set to any value between VI(ref) (approximately 2.5 V) and 36 V with two external resistors (see Figure 25). This device has a typical output impedance of 0.2 Ω. Active output circuitry provides a sharp turnon characteristic, making the device an excellent replacement for Zener diodes and other types of references in applications such as onboard regulation, adjustable power supplies, and switching power supplies. The TL1431C is characterized for operation over the commercial temperature range of 0°C to 70°C. The TL143.

TL1431 : The TL1431 is an adjustable shunt voltage reference with guaranteed temperature stability over the entire operating temperature range. The output voltage may be set to any value between 2.5 V and 36 V with two external resistors. The TL1431 operates with a wide current range from 1 to 100 mA with a typical dynamic impedance of 0.2 Ω December 2017 This is information on a product in full production. DocID5286 Rev 9 1/27 www.st.com Contents Contents TL1431 1 Schematic diagrams . . 3 2 Absolute maximum ratings and operating conditions . 4 3 Electrical characteristics . .

TL1431-EP : The TL1431-EP device is a precision-programmable reference with specified thermal stability over the military temperature range. The output voltage can be set to any value from VI(ref) (approximately 2.5 V) to 36 V with two external resistors (see Figure 21). This device has a typical output impedance of 0.2 Ω. Active output circuitry provides a very sharp turnon characteristic, making the device an excellent replacement for Zener diodes and other types of references in applications such as onboard regulation, adjustable power supplies, and switching power supplies. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TL1431-EP SOIC (8) 3.91 mm × 4.90 mm (1) For all available pac.

TL1431-Q1 : ordering information The TL1431 is a precision programmable reference with specified thermal stability over the automotive temperature range. The output voltage can be set to any value between VI(ref) (approximately 2.5 V) and 36 V with two external resistors (see Figure 16). This device has a typical output impedance of 0.2 Ω. Active output circuitry provides a very sharp turnon characteristic, making the device an excellent replacement for Zener diodes and other types of references in applications such as onboard regulation, adjustable power supplies, and switching power supplies. The TL1431Q is characterized for operation over the full automotive temperature range of −40°C to 125°C. ORDE.

TL1431-SP : The TL1431 is a precision programmable reference with specified thermal stability over automotive, commercial, and military temperature ranges. The output voltage can be set to any value between VI(ref) (approximately 2.5 V) and 36 V with two external resistors. This device has a typical output impedance of 0.2 Ω. Active output circuitry provides a very sharp turnon characteristic, making the device an excellent replacement for Zener diodes and other types of references in applications such as onboard regulation, adjustable power supplies, and switching power supplies. The TL1431 is characterized for operation over the full military temperature range of –55°C to 125°C. Device Information .

TL1431M : The TL1431 device is a precision programmable reference with specified thermal stability over automotive, commercial, and military temperature ranges. The output voltage can be set to any value between VI(ref) (approximately 2.5 V) and 36 V with two external resistors (see Figure 25). This device has a typical output impedance of 0.2 Ω. Active output circuitry provides a sharp turnon characteristic, making the device an excellent replacement for Zener diodes and other types of references in applications such as onboard regulation, adjustable power supplies, and switching power supplies. The TL1431C is characterized for operation over the commercial temperature range of 0°C to 70°C. The TL143.

TL1451 : The UTC TL1451 incorporates on a single monolithic chip all the functions required in the construction of two pulse-width-modulation (PWM) control circuits. Designed primarily for power supply control, the UTC TL1451 contains an on-chip 2.5V regulator, two error amplifiers, an adjustable oscillator, two dead-time comparators, undervoltage lockout circuitry, and dual common –emitter output transistor circuits.  FEATURES *Complete PWM power control circuitry *Completely synchronized operation *Internal undervoltage lockout protection *Wide supply voltage range *Internal Short-Circuit protection *Oscillator frequency 500kHz max *Variable dead time provides control over total range *Internal re.

TL1451A : The TL1451A incorporates on a single monolithic chip all the functions required in the construction of two pulse-width-modulation (PWM) control circuits. Designed primarily for power-supply control, the TL1451A 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. 3 2 1 20 19 1IN+ 4 18 2IN+ 1IN– 5 17 2IN– NC 6 16 NC 1FEEDBACK 7 15 2FEEDBACK IDTC 8 14 2DTC 9 10 11 12 13 1OUT GND NC V CC 2OUT The uncommitted output transistors provide common-emitter output capability for each controller. The internal amplifiers exhibit a common-mode voltag.

TL1451A-EP : ORDERING INFORMATION The TL1451A-EP incorporates on a single monolithic chip all the functions required in the construction of two pulse-width modulation (PWM) control circuits. Designed primarily for power-supply control, the TL1451A-EP 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 1.04 V to 1.45 V. The dead-time control (DTC) comparator has no offset unless externally altered and can.

TL1451A-Q1 : The TL1451A incorporates on a single monolithic chip all the functions required in the construction of two pulse-width-modulation (PWM) control circuits. Designed primarily for power-supply control, the TL1451A 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 1.04 V to 1.45 V. The dead-time control (DTC) comparator has no offset unless externally altered and can provide 0% to 100% dead ti.

TL1453C : SLVS039A – FEBRUARY 1990 – REVISED DECEMBER 1990 N OR NS PACKAGE (T0P VIEW) CT { RT ERROR IN+ AMPLIFIER 1 IN– 1 FEEDBACK 1 DEAD-TIME CONTROL 1 OUTPUT GND 1 2 3 4 5 6 7 8 16 REF 15 SCP }14 IN+ ERROR 13 IN– AMPLIFIER 2 12 2 FEEDBACK 11 2 DEAD-TIME CONTROL 10 2 OUTPUT 9 VCC 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 tr.

TL1454 : The TL1454 is a dual-channel pulse-width-modu- GND 7 OUT1 8 10 VCC 9 OUT2 lation (PWM) control circuit, primarily intended for low-power, dc/dc converters. Applications include LCD displays, backlight inverters, notebook com- puters, and other products requiring small, high-frequency, dc/dc converters. Each PWM channel has its own error amplifier, PWM comparator, dead-time control comparator, and MOSFET driver. The voltage reference, oscillator, undervoltage lockout, and short-circuit protection are common to both channels. Channel 1 is configured to drive n-channel MOSFETs in step-up or flyback converters, and channel 2 is configured to drive p-channel MOSFETs in step-down or inver.

TL145406 : The TL145406 is a bipolar device containing three independent drivers and receivers that are used to interface data terminal equipment (DTE) with data circuit-terminating equipment (DCE). The drivers and receivers of the TL145406 are similar to those of the SN75188 quadruple driver and SN75189A quadruple receiver, respectively. The pinout matches the flow-through design of the SN75C1406 to reduce the board space required and to allow easy interconnection. The bipolar circuits and processing of the TL145406 provide a rugged low-cost solution for this function at the expense of quiescent power and external passive components relative to the SN75C1406. The TL145406 complies with the requirement.

TL1454A : The TL1454A is a dual-channel pulse-width-modulation (PWM) control circuit, primarily intended for low-power, dc/dc converters. Applications include LCD displays, backlight inverters, notebook computers, and other products requiring small, high-frequency, dc/dc converters. D, N OR PW PACKAGE (TOP VIEW) CT RT DTC1 IN1 + IN1 − COMP1 GND OUT1 1 2 3 4 5 6 7 8 16 REF 15 SCP 14 DTC2 13 IN2 + 12 IN2 − 11 COMP2 10 VCC 9 OUT2 Each PWM channel has its own error amplifier, PWM comparator, dead-time control comparator, and MOSFET driver. The voltage reference, oscillator, undervoltage lockout, and short-circuit protection are common to both channels. Channel 1 is configured to drive n-channel MOSF.

TL1454AY : The TL1454A is a dual-channel pulse-width-modulation (PWM) control circuit, primarily intended for low-power, dc/dc converters. Applications include LCD displays, backlight inverters, notebook computers, and other products requiring small, high-frequency, dc/dc converters. D, N OR PW PACKAGE (TOP VIEW) CT RT DTC1 IN1 + IN1 − COMP1 GND OUT1 1 2 3 4 5 6 7 8 16 REF 15 SCP 14 DTC2 13 IN2 + 12 IN2 − 11 COMP2 10 VCC 9 OUT2 Each PWM channel has its own error amplifier, PWM comparator, dead-time control comparator, and MOSFET driver. The voltage reference, oscillator, undervoltage lockout, and short-circuit protection are common to both channels. Channel 1 is configured to drive n-channel MOSF.

TL1454Y : The TL1454 is a dual-channel pulse-width-modu- GND 7 OUT1 8 10 VCC 9 OUT2 lation (PWM) control circuit, primarily intended for low-power, dc/dc converters. Applications include LCD displays, backlight inverters, notebook com- puters, and other products requiring small, high-frequency, dc/dc converters. Each PWM channel has its own error amplifier, PWM comparator, dead-time control comparator, and MOSFET driver. The voltage reference, oscillator, undervoltage lockout, and short-circuit protection are common to both channels. Channel 1 is configured to drive n-channel MOSFETs in step-up or flyback converters, and channel 2 is configured to drive p-channel MOSFETs in step-down or inver.