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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.

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TL494L -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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tl494l-d16-t.step / tl494l-d16-t.glb are 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, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF