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Technical Specifications
Parameters and characteristics for this part
| Specification | TL594IPWR |
|---|---|
| Clock Sync | False |
| Control Features | Frequency Control, Dead Time Control |
| Duty Cycle (Max) [Max] | 97 % |
| Frequency - Switching [Max] | 300 kHz |
| Frequency - Switching [Min] | 1 kHz |
| Function | Step-Up, Step-Up/Step-Down, Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 2 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Phases | 1 |
| Output Type | Transistor Driver |
| Package / Case | 16-TSSOP |
| Package / Case [x] | 0.173 in |
| Package / Case [y] | 4.4 mm |
| Supplier Device Package | 16-TSSOP |
| Synchronous Rectifier | False |
| Topology | Forward Converter, Flyback, Push-Pull, Half-Bridge, Full-Bridge, Boost, Buck |
| Voltage - Supply (Vcc/Vdd) [Max] | 40 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 7 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 0.87 | |
| 10 | $ 0.78 | |||
| 25 | $ 0.74 | |||
| 100 | $ 0.61 | |||
| 250 | $ 0.57 | |||
| 500 | $ 0.50 | |||
| 1000 | $ 0.40 | |||
| Digi-Reel® | 1 | $ 0.87 | ||
| 10 | $ 0.78 | |||
| 25 | $ 0.74 | |||
| 100 | $ 0.61 | |||
| 250 | $ 0.57 | |||
| 500 | $ 0.50 | |||
| 1000 | $ 0.40 | |||
| Tape & Reel (TR) | 2000 | $ 0.33 | ||
| Texas Instruments | LARGE T&R | 1 | $ 0.57 | |
| 100 | $ 0.43 | |||
| 250 | $ 0.32 | |||
| 1000 | $ 0.23 | |||
Description
General part information
TL594 Series
The TL594 device incorporates all the functions required in the construction of a pulse-width-modulation (PWM) control circuit on a single chip. Designed primarily for power-supply control, this device offers the systems engineer the flexibility to tailor the power-supply control circuitry to a specific application.
The TL594 device contains two error amplifiers, an on-chip adjustable oscillator, a dead-time control (DTC) comparator, a pulse-steering control flip-flop, a 5-V regulator with a precision of 1%, an undervoltage lockout control circuit, and output control circuitry.
The uncommitted output transistors provide either common-emitter or emitter-follower output capability. Each device provides for push-pull or single-ended output operation, with selection by means of the output-control function. The architecture of these devices prohibits the possibility of either output being pulsed twice during push-pull operation. The undervoltage lockout control circuit locks the outputs off until the internal circuitry is operational.
Documents
Technical documentation and resources
