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TL494L -D16-T
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UTC Unisonic Tech AC-DC Controllers And Regulators, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
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Datasheet
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README
markdownTL494L -D16-T
UTC Unisonic Tech · AC-DC Controllers And Regulators · DIP-16
TL494L -D16-T from UTC Unisonic Tech, in a DIP-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | NONINV INPUT | input | Non-inverting input of the error amplifier, with a common-mode input voltage range of -0.3 V to VCC-2 V. |
| 2 | INV INPUT | input | Inverting input of the error amplifier, with a common-mode input voltage range of -0.3 V to VCC-2 V. |
| 3 | FEEDBACK | output | Error amplifier output and feedback node; the datasheet limits the current into this pin to 0.3 mA. |
| 4 | DEAD-TIME CONTROL | input | Dead-time control input that sets the maximum duty cycle, specified at 45% per output with VIN=0 and an input range of 0 to 5.25 V. |
| 5 | CT | passive | Timing capacitor connection, recommended between 0.47 nF and 10000 nF. |
| 6 | RT | passive | Timing resistor connection, recommended between 1.8 kΩ and 500 kΩ. |
| 7 | GND | power_in | Ground; the datasheet references all voltages to the network ground terminal. |
| 8 | C1 | output | Collector of internal power NPN transistor 1, rated for 40 V collector output voltage and 200 mA recommended collector current (250 mA absolute maximum). |
| 9 | E1 | output | Emitter of internal power NPN transistor 1. |
| 10 | E2 | output | Emitter of internal power NPN transistor 2. |
| 11 | C2 | output | Collector of internal power NPN transistor 2, rated for 40 V collector output voltage and 200 mA recommended collector current (250 mA absolute maximum). |
| 12 | VCC | power_in | Supply voltage, recommended 7 V to 40 V (41 V absolute maximum). |
| 13 | OUTPUT CONTROL | input | Output mode select that chooses single-ended or push-pull operation of the outputs. |
| 14 | VREF | power_out | Internal 5 V reference output (4.75 V to 5.25 V at IOUT=1 mA), with a short-circuit output current of 35 mA. |
| 15 | INV INPUT | input | Inverting input of the second error amplifier, with a common-mode input voltage range of -0.3 V to VCC-2 V. |
| 16 | NONINV INPUT | input | Non-inverting input of the second error amplifier, with a common-mode input voltage range of -0.3 V to VCC-2 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | UTC Unisonic Tech |
| Package | DIP-16 |
| Category | Power Management (PMIC) |
| Pins | 16 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply Voltage | VCC | 7 | 40 | V | 4 | ||
| Amplifier Input Voltage | VIN | -0.3 | V | 4 | |||
| Collector Output Voltage | VOUT | 40 | V | 4 | |||
| Collector Output Current (each Transistor) | IC | 200 | mA | 4 | |||
| Current into Feedback | If | 0.3 | mA | 4 | |||
| Timing Capacitor | CT | 0.47 | 10000 | nF | 4 | ||
| Timing Resistor | RT | 1.8 | 500 | kΩ | 4 | ||
| Oscillator Frequency | fOSC | 1 | 300 | kHz | 4 | ||
| Operating Free-Air Temperature | TA | 0 | 70 | C | 4 | ||
| Supply Voltage (Note 3) | VCC | 41 | V | 4 | |||
| Collector Output Voltage | VOUT | 41 | V | 4 | |||
| Collector Output Current | ICO | 250 | mA | 4 | |||
| Power Dissipation | 1000 | mW | TA=25C | 4 | |||
| Junction Temperature | TJ | 125 | C | 4 | |||
| Operating Temperature | TOPR | -25 | 85 | C | 4 | ||
| Storage Temperature | TSTG | -40 | 150 | C | 4 | ||
| Output Voltage | VOUT | 4.75 | 5 | 5.25 | V | IOUT=1mA | 4 |
| Input Regulation | VIN | 2 | 25 | mV | VCC=7V ~ 40V | 4 | |
| Output Regulation | VOUT | 1 | 15 | mV | IOUT=1 ~ 10mA | 4 | |
| Output Voltage Change with Temperature | 0.2 | 1 | % | TA=MIN ~ MAX (note 2) | 4 | ||
| Input Offset Voltage Error | VI(OFF) | 2 | 10 | mV | VOUT (pin 3)=2.5V | 5 | |
| Input Offset Current | II(OFF) | 25 | 250 | nA | VOUT (pin 3)=2.5V | 5 | |
| Input Bias Current | II(BIAS) | 0.2 | 1 | μA | VOUT (pin 3)=2.5V | 5 | |
| Common-Mode Input Voltage Range Error | -0.3 | V | VCC=7V ~ 40 V | 5 | |||
| Open-Loop Voltage Amplification | 70 | 95 | dB | VOUT=3V, VOUT=0.5V ~ 3.5V | 5 | ||
| Common-Mode Rejection Ratio Error | CMRR | 65 | 80 | dB | VCC=40V,TA=25C | 5 | |
| Output Sink Current (pin 3) | IO(SINK) | 0.3 | 0.7 | mA | VID=-15mV ~ -5V, V(pin 3)=0.5V | 5 | |
| Collector off-state current | IC(OFF) | 2 | 100 | μA | VCE=40V, VCC=40V | 5 | |
| Collector-emitter Saturation Voltage (Common-emitter) | 1.1 | 1.3 | V | VE=0, IC=200mA | 5 | ||
| Saturation Voltage (Emitter-Follower) | 1.5 | 2.5 | V | VC=15V, IE=-200mA | 5 | ||
| Input bias (pin 4) | II(BIAS) | -2 | -10 | μA | VIN=0 ~ 5.25V | 5 | |
| Input threshold Voltage (pin 4) | VTHR | 3 | 3.3 | V | Zero duty Cycle | 5 | |
| Input threshold Voltage (pin 3) | VTHR | 4 | 4.5 | V | Zero duty Cycle | 5 | |
| Input Sink Current (pin 3) | II(SINK) | 0.3 | 0.7 | mA | V(pin 3)= 0.7V | 5 | |
| Standby Supply Current | IST-BY | 6 | 10 | mA | VCC=15V; pin 6 at VREF, all other inputs and outputs open | 5 | |
| Standby Supply Current | IST-BY | 9 | 15 | mA | VCC=40V; pin 6 at VREF, all other inputs and outputs open | 5 | |
| Output Voltage Rise Time | tR | 100 | 200 | ns | 5 | ||
| Output Voltage Fall Time | tF | 25 | 100 | ns | Common-emitter configuration | 5 | |
| Output Voltage Fall Time | tF | 40 | 100 | ns | Emitter-follower configuration | 5 | |
| Short-Circuit Output Current | IO(SC) | 35 | mA | VREF=0 | 4 | ||
| Frequency | F | 10 | kHz | CT=0.01μF, RT=12kΩ | 4 | ||
| Standard Deviation of Frequency | 10 | % | All Values of VCC, CT, RT, TA constant | 4 | |||
| Frequency Change with Voltage | 0.1 | % | VCC=7V ~ 40V,Ta=25C | 4 | |||
| Frequency Change with Temperature | 12 | % | CT=0.01μF, RT=12kΩ, TA=MIN ~ MAX | 4 | |||
| Output source Current (pin 3) | IO(SOURCE) | -2 | mA | VID=15mV ~ -5V, V(pin 3)=3.5V | 5 | ||
| Emitter off-state Current | IE(OFF) | -100 | μA | VCC=VC=40V, VE=0 | 5 | ||
| Output Control Input Current | 3.5 | mA | VIN=VREF | 5 | |||
| Maximum duty cycle, each output | 45 | % | VIN(pin 4)=0 | 5 | |||
| Input threshold Voltage (pin 4) | VTHR | 0 | V | Maximum duty cycle | 5 | ||
| Average supply current | 7.5 | mA | V(pin 4)=2V | 5 | |||
| Unity-Gain Bandwidth | GBW | 800 | kHz | 5 | |||
| Derate at TA>25C | PD | 9.2 | mW/C | TA>25C | 4 |
CAD (KiCad official)
- Symbol:
TL494L -D16-T - Footprint:
Package_DIP:DIP-16_W7.62mm - 3D model: DIP-16 (KiCad packages3D, STEP)
- 3D model files:
tl494l-d16-t-etched.step/tl494l-d16-t-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tl494l-d16-t.step/tl494l-d16-t.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UTC Unisonic Tech datasheet (8 pp, sha256
681c2dde0b645e41, retrieved 2026-10-15, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).