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TL594G-S16-R

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UTC Unisonic Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TL594G-S16-R

UTC Unisonic Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOP-16

TL594G-S16-R from UTC Unisonic Tech, in a SOP-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 1IN+ input Non-inverting input of error amplifier 1; common-mode input range is -0.3 V to VCC-2 V.
2 1IN- input Inverting input of error amplifier 1; common-mode input range is -0.3 V to VCC-2 V.
3 FEEDBACK input Input to the feedback PWM comparator; the current into this terminal is limited to 0.3 mA maximum.
4 DTC input Dead-time control input; the voltage on this pin sets dead time, with zero duty cycle at about 3 to 3.3 V and maximum duty cycle at 0 V.
5 CT passive Timing capacitor connection; the datasheet specifies CT from 0.47 nF to 10000 nF.
6 RT passive Timing resistor connection; the datasheet specifies RT from 1.8 kΩ to 500 kΩ.
7 GND power_in Ground reference pin for the device.
8 C1 output Collector of output transistor Q1; collector output voltage is 40 V recommended (41 V absolute maximum) and each transistor is rated 200 mA recommended.
9 E1 output Emitter of output transistor Q1, usable in common-emitter or emitter-follower output configuration.
10 E2 output Emitter of output transistor Q2, usable in common-emitter or emitter-follower output configuration.
11 C2 output Collector of output transistor Q2; collector output voltage is 40 V recommended (41 V absolute maximum) and each transistor is rated 200 mA recommended.
12 VCC power_in IC supply input; 7 V to 40 V recommended, with 41 V absolute maximum.
13 Output CTRL input Output control input; at 0 V it selects single-ended or parallel output, and at VREF it selects normal push-pull operation.
14 REF power_out 5 V internal reference output, 4.95 V to 5.05 V at 1 mA and 25 °C, with short-circuit current of 10 to 50 mA.
15 2IN- input Inverting input of error amplifier 2; common-mode input range is -0.3 V to VCC-2 V.
16 2IN+ input Non-inverting input of error amplifier 2; common-mode input range is -0.3 V to VCC-2 V.

Key specifications

Parameter Value
Manufacturer UTC Unisonic Tech
Package SOP-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 41 V 4
Collector Output Voltage VC1, VC2 41 V 4
Collector Output Current IC1, IC2 250 mA 4
Junction Temperature TJ 150 °C 4
Operating Temperature TOPR -40 85 °C 4
Storage Temperature TSTG -65 150 °C 4
Supply Voltage VCC 7 40 V 4
Amplifier Input Voltage VIN -0.3 V 4
Collector Output Voltage VC1, VC2 40 V 4
Collector Output Current (Each Transistor) IC1, IC2 200 mA 4
Current Into Feedback Terminal lFB 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
Output Voltage (REF) VREF 4.95 5 5.05 V IOUT = 1mA, Ta = 25°C 4
Input Regulation ∆VOUT 2 25 mV VCC = 7V~40V, Ta = 25°C 4
Output Regulation ∆VOUT 14 35 mV IOUT = 1~10mA, Ta = 25°C 4
Output-Voltage Change with Temperature 2 10 mV/V ∆Ta = Min~Max 4
Short-Circuit Output Current ISC 10 35 50 mA VREF = 0V 4
Input Bias Current (DT) IIB (DT) -10 -2 μA VIN= 0 ~ 5.25V 4
Maximum Duty Cycle, Each Output DCMAX 0.45 DTC = 0V 4
Input Threshold Voltage, Zero Duty Cycle VTH 3 3.3 V Zero Duty Cycle 4
Collector-Emitter Saturation Voltage, Common Emitter VSAT(C) 1.1 1.3 V VE=0, IC=200mA 5
Collector-Emitter Saturation Voltage, Emitter Follower VSAT(E) 1.5 2.5 V VC=15V, IE=−200mA 5
Collector Off-State Current IC(OFF) 2 100 μA VC=40V, VE=0V, VCC=40V 5
Collector Off-State Current (DTC and Output CTRL low) IC(OFF) 4 200 μA DTC and Output CTRL = 0V, VC=15V, VE=0V, VCC=1~3V 5
PWM Comparator Input Threshold Voltage VTH 4 4.5 V Zero duty cycle 5
Input Sink Current II(SINK) 0.3 0.7 mA FEEDBACK = 0.5V 5
Undervoltage Lockout Threshold Voltage (over temperature) VTH 3.5 6.9 V ∆Ta = Min~Max 5
Standby Supply Current (VCC = 15V) ISTN-BY 9 15 mA VCC = 15V; RT at VREF; all other inputs and outputs open 5
Standby Supply Current (VCC = 40V) ISTN-BY 11 18 mA VCC = 40V; RT at VREF; all other inputs and outputs open 5
Input Offset Voltage, Error Amplifier VI(OFF) 2 10 mV FEEDBACK = 2.5V 5
Input Offset Current II(OFF) 25 250 nA FEEDBACK = 2.5V 5
Input Bias Current IIB 0.2 1 μA FEEDBACK = 2.5V 5
Common-Mode Input Voltage Range, Error Amplifier VICR 0.3 V VCC=7V~40V 5
Open-Loop Voltage Amplification Gain, Error Amplifier AVOL 70 95 dB ∆VOUT=3V, RL =2kΩ, VOUT = 0.5V~3.5V 5
Common-Mode Rejection Ratio, Error Amplifier CMRR 65 80 dB VCC = 40V, Ta=25°C 5
Output Sink Current, FEEDBACK IO(SINK) 0.3 0.7 mA VID =-15mV~-5V, FEEDBACK = 0.5V 5
Output-Voltage Rise Time (Emitter-Follower) Tr 200 400 ns Emitter-Follower Configuration (see Figure 3) 5
Output-Voltage Fall Time (Emitter-Follower) Tf 45 100 ns Emitter-Follower Configuration (see Figure 3) 5
Output-Voltage Rise Time (Common-Emitter) Tr 100 200 ns Common-Emitter Configuration (see Figure 4) 5
Output-Voltage Fall Time (Common-Emitter) Tf 30 100 ns Common-Emitter Configuration (see Figure 4) 5
Junction to Ambient (SOP-16) θJA 64 °C/W 4
Oscillator Frequency fOSC 10 kHz CT = 0.01μF, RT = 12KΩ (See Figure 1) 4
Standard Deviation of Frequency σfOSC 100 Hz/kHz All values of VCC, CT, RT, and Ta constant 4
Frequency Change With Voltage ∆fOSC(∆V) 1 Hz/kHz VCC = 7V ~ 40V, Ta = 25°C 4
Frequency Change With Temperature ∆fOSC(∆T) 50 Hz/kHz ∆Ta = Min~Max 4
Input Threshold Voltage, Maximum Duty Cycle VTH 0 V Maximum Duty Cycle 4
Emitter Off-State Current IE(OFF) -100 μA VCC=VC=40V, VE=0 5
Hysteresis VHYS 100 mV 5
Average Supply Current 12.4 mA DTC = 2V, See Figure 1 5
Unity-Gain Bandwidth BW 800 kHz VOUT = 0.5V ~3.5V, RL =2kΩ 5
Output Source Current, FEEDBACK IO(SOURCE) -2 mA VID = 15mV~5V, FEEDBACK = 3.5V 5
Output Control Input Current IOC 3.5 mA VIN=VREF 5
Undervoltage Lockout Threshold Voltage (Ta = 25°C) VTH 6 V Ta = 25°C 5

CAD (KiCad official)

  • Symbol: TL594G-S16-R
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOP-16 (KiCad packages3D, STEP)
  • 3D model files: tl594g-s16-r-etched.step / tl594g-s16-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tl594g-s16-r.step / tl594g-s16-r.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: UTC Unisonic Tech datasheet (9 pp, sha256 b9a96ca7ee972bef, retrieved 2026-10-19, 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