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TL1453CPWR ,Dual Channel Controller with Wide Input Voltage Rangeblock diagramC RVT TCC9 12V = 2.5 Vref16 Reference TriangleREFVoltage Oscillator2 VError Amp.1 1.4 ..
TL1453CPWRG4 ,Dual Channel Controller with Wide Input Voltage Range 16-TSSOP block diagramC RVT TCC9 12V = 2.5 Vref16 Reference TriangleREFVoltage Oscillator2 VError Amp.1 1.4 ..
TL145406 ,Triple RS-232 Drivers/Receiverslogic diagram (positive logic)Typical of Each Receiver2, 4, 6 15, 13, 11RARYTypical of Each Driver1 ..
TL145406DWR ,Triple RS-232 Drivers/Receivers           SLLS185D − DECEMBER 1994 − REVISED JULY 2001DW OR N PACKAGE M ..
TL145406N ,Triple RS-232 Drivers/Receiversmaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage (s ..
TL1454A ,Dual-Channel Pulse-Width-Modulation (PWM) Control Circuit            SLVS423 A− MAY 2002 − REVISED SE ..
TLV2543CDB ,12-Bit 66 kSPS ADC Ser. Out, Pgrmable Pwrdn, MSB/LSB First, Built-In Self-Test Mode, 11 Ch.TLV2543C, TLV2543I12-BIT ANALOG-TO-DIGITAL CONVERTERSWITH SERIAL CONTROL AND 11 ANALOG INPUTSSLAS09 ..
TLV2543CDBR ,12-Bit 66 kSPS ADC Ser. Out, Pgrmable Pwrdn, MSB/LSB First, Built-In Self-Test Mode, 11 Ch.TLV2543C, TLV2543I12-BIT ANALOG-TO-DIGITAL CONVERTERSWITH SERIAL CONTROL AND 11 ANALOG INPUTSSLAS09 ..
TLV2543CDW ,12-Bit 66 kSPS ADC Ser. Out, Pgrmable Pwrdn, MSB/LSB First, Built-In Self-Test Mode, 11 Ch.features differentialhigh-impedance reference inputs that facilitate ratiometric conversion, scalin ..
TLV2543CDWR ,12-Bit 66 kSPS ADC Ser. Out, Pgrmable Pwrdn, MSB/LSB First, Built-In Self-Test Mode, 11 Ch.features differentialhigh-impedance reference inputs that facilitate ratiometric conversion, scalin ..
TLV2543IDB ,12-Bit 66 kSPS ADC Ser. Out, Pgrmable Pwrdn, MSB/LSB First, Built-In Self-Test Mode, 11 Ch.TLV2543C, TLV2543I12-BIT ANALOG-TO-DIGITAL CONVERTERSWITH SERIAL CONTROL AND 11 ANALOG INPUTSSLAS09 ..
TLV2543IDBR ,12-Bit 66 kSPS ADC Ser. Out, Pgrmable Pwrdn, MSB/LSB First, Built-In Self-Test Mode, 11 Ch.features differentialhigh-impedance reference inputs that facilitate ratiometric conversion, scalin ..


TL1453-TL1453.-TL1453CD-TL1453CN-TL1453CNSR-TL1453CNSRG4-TL1453CPWR-TL1453CPWRG4
Dual Channel Controller with Wide Input Voltage Range
Oscillator Frequency... 500 kHz Max Variable Dead Time Provides Control Over Total Range Internal Regulator Provides a Stable 2.5-V
Reference Supply


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 RT (pin 2) and CT (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
SCP
2 IN–
2 IN+
2 FEEDBACK
1 FEEDBACK
1 IN–
1 IN+
REF
GND
1 DEAD-TIME CONTROL 2 DEAD-TIME CONTROL
2 OUTPUT
1 OUTPUT
Error Amp.2
Error Amp.1
VCC RT

†UVLO = Undervoltage Lockout Protection
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