The TL1454ACDG4 is a dual-channel pulse-width modulation (PWM) control circuit designed for low-power DC/DC converters. It operates within a supply voltage range of 3.6 V to 20 V and features an adjustable oscillator frequency from 50 kHz to 2 MHz. The device has a low supply current of approximately 3.5 mA and includes adjustable dead-time control from 0% to 100%. Each channel of the TL1454A is equipped with its own error amplifier, PWM comparator, dead-time control comparator, and MOSFET driver. Channel 1 is configured for driving n-channel MOSFETs in step-up or flyback converter applications, while Channel 2 is designed for driving p-channel MOSFETs in step-down or inverting converters. The device also incorporates common features such as a voltage reference, undervoltage lockout, and short-circuit protection. The TL1454ACDG4 is suitable for applications including LCD displays, backlight inverters, and notebook computers, where small, high-frequency DC/DC converters are required. The device is available in various package types, including SOIC, PDIP, and TSSOP, with temperature ratings from -20¬8C to 85¬8C.
Dual-Channel Pulse-Width-Modulati
Buck, Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Down, Step-Up/Step-Down DC-DC Controller IC 16-SOIC
Manufacturer: Texas Instruments
Win Source Part Number: 1268072-TL1454ACDG4
Packaging: Tube
Operating Temperature Range: -20°C ~ 85°C (TA)
Package: 16-SOIC (0.154", 3.90mm Width)
Output Type: Transistor Driver
Function: Step-Up, Step-Down, Step-Up/Step-Down
Topology: Buck, Boost, Flyback
Frequency - Switching: 50kHz ~ 2MHz
Control Features: Dead Time Control, Frequency Control
Supply Voltage: 3.6 V ~ 20 V
Number of Outputs: 2
Output Configuration: Positive, Isolation Capable
Synchronous Rectifier: Yes
Family Name: TL1454A
Output Phases: 1
Clock Sync: No
Categories: Integrated Circuits (ICs)
Manufacturer Homepage: www.ti.com
Manufacturer Package: 16-SOIC
Duty Cycle (Maximum): 100%
Alternative Parts (Cross-Reference): TL1454ACD; TL1454ACNE4; TL1454ACN;
Introduction Date: February 15, 2004
ECCN: EAR99
Country of Origin: Mexico, Taiwan
Estimated EOL Date: 2028
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 47 pct.
Supply and Demand Status: Limited
Switching Controllers Dual ch PWM Ctlr
IC REG CTRLR MULT TOP 16SOIC
Buck, Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Down, Step-Up/Step-Down DC-DC Controller IC 16-SOIC
IC REG CTRLR MULT TOP 16SOIC
| Texas Instruments | DigiKey | Win Source Electronics | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | Lingto Electronic Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | TL1454ACDG4 | TL1454ACDG4-ND | 1268072-TL1454ACDG4 | TL1454ACDG4 | TL1454ACDG4 | TL1454ACDG4 | TL1454ACDG4 |
| Product Name | TL1454A Dual-Channel Pulse-Width-Modulation (PWM) Control Circuit | DC DC Switching Controllers | PMIC - PMIC - Voltage Regulators - DCDC Switching Controllers - TL1454ACDG4 | Switching Controllers | Integrated Circuits (ICs) - Power Management (PMIC) - DC DC Switching Controllers | DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
| Configuration / Function | Buck; Boost | Buck, Boost, Flyback | |||||
| Package Type | SOIC; Other; "16-SOIC (0.154"", 3.90mm Width)" | SOIC; Other; 16-SOIC (0.154", 3.90mm Width) | SOIC | SOIC; Other; 16-SOIC (0.154\", 3.90mm Width) | |||
| Special Features | Synchronous Rectification | Multiple Outputs; Synchronous Rectification; Dead Time Control, Frequency Control | Dead Time Control, Frequency Control | ||||
| fsw | 50 to 2000 kHz | 50 to 2000 kHz | 50 to 2000 kHz | 50 to 2000 kHz | 50 to 2000 kHz | ||
| Operating Temperature | -20 to 85 C (-4 to 185 F) | -20 to 85 C (-4 to 185 F) | -20 to 85 C (-4 to 185 F) | -20 to 85 C (-4 to 185 F) |
