TL594

TL594 UTC | Alldatasheet

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UNISONIC TECHNOLOGIES CO., LTD TL594 LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 8 Copyright © 2005 Unisonic Technologies Co., Ltd QW-R103-031,A PULSE-WIDTH-MODULATION CONTROL CIRCUIT „ DESCRIPTION The UTC TL594 incorporates all the functions required for a pulse-width-modulation (PWM) control circuit. It is pin compatible with TL494 with upgrade performance. DIP-16 SOP-16 TSSOP-16 *Pb-free plating product number: TL594L „ FEATURES * Outputs for 200-mA Sink or Source Current * Output is Single-Ended or Push-Pull Operation Selectable suppression circuit * Internal Circuitry Prohibits Double Pulse at Either Output * Variable Dead Time * Internal Reference Supply Deliuer 5V within 1% tolerance * Undervoltage Lockout for Low-VCC Conditions „ ORDERING INFORMATION Order Number Normal Lead Free Plating Package Packing TL594-D16-T TL594L-D16-T DIP-16 Tube TL594-P16-R TL594L-P16-R TSSOP-16 Tape Reel TL594-P16-T TL594L-P16-T TSSOP-16 Tube TL594-S16-R TL594L-S16-R SOP-16 Tape Reel TL594-S16-T TL594L-S16-T SOP-16 Tube TL594L-D16-T (1)Packing Type (2)Package Type (3)Lead Plating (1) R: Tape Reel, T: Tube (2) D16: DIP-16, S16: SOP-16, P16: TSSOP-16 (3) L: Lead Free Plating , Blank: Pb/Sn

TL594 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 2 of 8 www.unisonic.com.tw QW-R103-031,A „ PIN CONFIGURATION 2IN+ 2IN- REF Output CTRL VCC 1IN+ 1IN− FEEDBACK DTC CT RT GND DIP-16/SOP-16/TSSOP-16 PACKAGE (TOP VIEW)

TL594 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 8 www.unisonic.com.tw QW-R103-031,A „ FUNCTIONAL BLOCK DIAGRAM Error Amp 1 1IN+ IN- PWM Comparator 0.7mA Flip–Flop Reference Regulator Output Control VCC CK Q DQ Oscillator IN+ IN- 15 Error Amp 2 Deadtime Comparator Feedback PWM Comparator Input Gnd Ref. Output UV Lockout 0.1V 4Deadtime Control CT RT 0.7V

TL594 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 4 of 8 www.unisonic.com.tw QW-R103-031,A „ ABSOLUTE MAXIMUM RATINGS (over operating free-air temperature range (unless otherwise noted)Note1) PARAMETER SYMBOL RATINGS UNIT Supply Voltage V CC 41 V Amplifier input voltage V CC + 0.3 V Collector output voltage 41 V Collector output current 250 mA Operating Junction Temperature T J +150 °C Operating Free-Air Temperature T A -40 ~ +85 °C Storage Temperature T STG -40 ~ 150 °C Note 1. Stresses beyond “absolute maximum ratings” ma y cause permanent damage to t he device. For reliability, considerations use 80% or below for application is recommended. „ THERMAL DATA PARAMETER SYMBOL RATINGS UNIT DIP package 67 SOP package 64 Package thermal impedance (see Notes 2 and 3) TSSOP package θJA 108 °C/W Note 1. Maximum power dissipation is a function of T J(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is P D = (T J(max) − TA)/θJA. Operating at the absolute maximum T J of 150°C can affect reliability. 2. The package thermal impedance is calculated in accordance with JESD 51-7. „ RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL MIN MAX UNIT Supply voltage V CC 7 40 V Amplifier input voltage V I -0.3 V CC-2 V Collector output voltage V O 40 V Collector output current (each transistor) 200 mA Current into feedback terminal 0.3 mA Timing capacitor C T 0.47 10000 nF Timing resistor R T 1.8 500 k Ω Oscillator frequency f OSC 1 300 kHz Operating free-air temperature Operating free-air temperature TA -40 85 °C „ FUNCTION TABLE INPUT Output CTRL OUTPUT FUNCTION VI = 0 Single-ended or parallel output VI = VREF Normal push-pull operation

TL594 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 5 of 8 www.unisonic.com.tw QW-R103-031,A „ ELECTRICAL CHARACTERISTICS (Testing conditions is set at VCC=15V, 25℃ unless otherwise specified) reference section PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output voltage (REF) V REF I OUT = 1mA, Ta = 25°C 4.95 5 5.05 V Input regulation V IN V CC = 7V ~ 40V, Ta = 25°C 2 25 mV Output regulation V OUT I OUT = 1 ~ 10mA, Ta = 25°C 14 35 mV Output-voltage change with temperature ∆TA = MIN ~ MAX 2 10 mV/V Short-circuit output current (Note1) V REF = 0 10 35 50 mA amplifier section (see Figure 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Input offset voltage, error amplifier V I(OFF) FEEDBACK = 2.5V 2 10 mV Input offset current I I(OFF) FEEDBACK = 2.5V 25 250 nA Input bias current I I(BIAS) FEEDBACK = 2.5V 0.2 1 µA Common-mode input voltage range, error amplifier V CC=7V ~ 40V 0.3 to VCC−2 V Open-loop voltage amplification, error amplifier ∆VOUT=3V, RL =2 kΩ, VOUT = 0.5V ~ 3.5V 70 95 dB Unity-gain bandwidth B W V OUT = 0.5V ~ 3.5V, RL = 2kΩ 800 kHz Common-mode rejection ratio, error amplifier V CC = 40V, TA = 25°C 65 80 dB Output sink current, FEEDBACK I O(SINK) VID =-15mV ~ -5V, FEEDBACK = 0.5V 0.3 0.7 mA Output source current, FEEDBACK I O(SOURCE) VID = 15mV ~ 5V, FEEDBACK = 3.5V -2 mA oscillator section, CT = 0.01µF, RT = 12kΩ (see Figure 2) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Frequency F 10 kHz Standard deviation of frequency(Note1) All values of VCC, CT, RT, and TA constant 100 Hz/kHz Frequency change with voltage V CC = 7V ~ 40V, TA = 25°C 1 Hz/kHz Frequency change with temperature ∆TA = MIN ~ MAX 50 Hz/kHz Note 1. Standard deviation is a measure of the statistical distribution about the mean, as derived from the formula: N xx N n n σ dead-time control section (see Figure 2) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Input bias current I I(BIAS) V I = 0 ~ 5.25V -2 -10 µA Maximum duty cycle, each output DTC = 0V 0.45 Zero duty cycle 3 3.3 Input threshold voltage V I(THD) Maximum duty cycle 0 V

TL594 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 6 of 8 www.unisonic.com.tw QW-R103-031,A „ ELECTRICAL CHARACTERISTICS(Cont.) output section PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT VC = 40V, VE = 0V, VCC = 40V 2 100 Collector off-state current I C(OFF) DTC and Output CTRL = 0V, VC = 15V, VE = 0V, VCC = 1 ~ 3V 4 200 µA Emitter off-state current I E(OFF) V CC = VC = 40V, VE = 0 -100 µA Common emitter V E = 0, IC = 200mA 1.1 1.3 Collector-emitter saturation voltage Emitter follower V CE VC = 15V, IE = −200mA 1.5 2.5 V Output control input current V I = VREF 3.5 mA pwm comparator section (see Figure 2) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Input threshold voltage, FEEDBACK VI(THD) Zero duty cycle 4 4.5 V Input sink current, FEEDBACK I I(SINK) FEEDBACK = 0.5V 0.3 0.7 mA undervoltage lockout section (see Figure 2) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TA = 25°C 6 Threshold voltage V THD ∆TA = MIN ~ MAX 3.5 6.9 V Hysteresis V HYS 100 mV VCC = 15V 9 15 Standby supply current I ST-BY RT at VREF All other inputs and outputs open V CC = 40V 11 18 mA Average supply current DTC = 2V, See Figure 2 12.4 mA switching characteristics, TA = 25°C PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output-voltage rise time T R 100 200 ns Output-voltage fall time T F Common-emitter configuration (see Figure 3) 30 100 ns Output-voltage rise time T R 200 400 ns Output-voltage fall time T F Emitter-follower configuration (see Figure 4) 45 100 ns

TL594 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 7 of 8 www.unisonic.com.tw QW-R103-031,A „ TYPICAL APPLICATIONS INFORMATION Gnd 7 91 013 4 E1 E2OC DT RTCT 614 - 11 VCC 22k +Vin = 8.0V ~ 20V +VO = 28V IO = 0.2A 35V 35V 1N4934 VREF Comp UTC TL594 4.7k 1.0M 0.001 4.7k 15k10k 0.010.01 33k 4.7k 1.0 240 1N4934 25V Tip Tip All capacitors in μF Push-Pull Operation Tip 32A Gnd 7 91 0134 E1 E2O.C.D.T.RTCT 150 118 VCC C1 C2 0.1 47k 1.0M 5.1k 5.1k 1.0mH @ 2.0A +Vin = 10V ~ 40V +VO = 5.0V IO = 1.0A 10V 500 10VMR850 150 5.1k16 V ref Comp 0.1 UTC TL594 47k0.001 50V Single-Ended Operation