TEA1504 Philips Semiconductors, TEA1504 Datasheet
TEA1504
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TEA1504 Summary of contents
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... DATA SHEET TEA1504 GreenChip Preliminary specification Supersedes data of 1998 Mar 17 File under Integrated Circuits, IC11 INTEGRATED CIRCUITS SMPS control IC 1999 Dec 07 ...
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... BCDMOS process which produces low voltage circuit devices with inputs that are able to withstand up to 720 V. PACKAGE DESCRIPTION plastic dual in-line package; 14 leads (300 mil) 2 Preliminary specification TEA1504 TEA1504 is intended for off-line FAMILY family of ICs are fully integrated with VERSION SOT27-1 ...
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... PROTECTION PULSE WIDTH MODULATOR SAMPLE AND HOLD2 inverting error comparator amplifier OSCILLATOR duty cycle limiting signal GND HVS n.c. Fig.1 Block diagram. 3 Preliminary specification TEA1504 TEA1504 driver stage OVER CURRENT PROTECTION 5 LEADING EDGE BLANKING FREQUENCY CONTROL 10 12 MGS569 n.c. n.c. DS ...
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... FUNCTIONAL DESCRIPTION Negligible power is dissipated by the TEA1504 after start-up, due to its fast and efficient start-up circuit. It has an accurate saw tooth oscillator whose output signal is compared with a voltage feedback control circuit to generate a pulse width modulated signal for driving the Gate of an external power MOSFET ...
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... OOB 14 1 DEM HVS 13 2 n.c. n. GND DRIVER MOSFET TEA1504 sense n. aux CTRL 9 6 REF REF C aux Fig.3 Typical flyback application. 5 Preliminary specification TEA1504 during the safe-restart mode is lower than it aux and I restart(Vaux) restart(Vaux (1) power auxiliary R sense winding MGS571 in start(Vaux)H in ...
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... R REF t Section “Oscillator”). Sample-and-hold The TEA1504 uses voltage feedback with an innovative sample-and-hold circuit to regulate the output voltage primary feedback configuration, the sample-and-hold t circuit samples the current into DEM (pin 13), fed by R which relates to the output voltage (V that current flows in the secondary winding. ...
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... IC by preventing the voltage at DEM (pin 13) dropping below 0.45 V, during the period when the power MOSFET turns on and the auxiliary winding voltage goes negative. 7 Preliminary specification . 110 90 70 (1) ( REF (k ) Fig.6 Frequency as function of R TEA1504 ) value DEM MGS573 55 f oscL (kHz value. REF ...
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... (power MOSFET Vaux V G (power MOSFET) I Vaux 0 (1) V OOB start-up sequence (1) All negative currents flow out of the IC. 1999 Dec 07 normal overvoltage output short operation protection Fig.7 Typical waveforms. 8 Preliminary specification burst mode stand-by normal circuit operation MGS574 TEA1504 ...
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... Preliminary specification is low, the IC enters the off-mode, OOB is typically 2.5 V, OOB in Chapter “Characteristics”). th(on/off ------- - where R1 >> R2. mains OOB for example. The bleeder current mains ) exceeds the zener voltage, the C TEA1504 in off(Vi) ) bypassing ...
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... Quality specification “SNW-FQ-611 part E” is applicable. 1999 Dec 07 PARAMETER measured at 200 A i sense aux class 1 note 2 note 3 PARAMETER 10 Preliminary specification CONDITIONS MIN. 720 0.3 +14 1 0 0.3 +18 0.3 +18 10 +140 40 +150 1250 200 VALUE 70 TEA1504 MAX. UNIT UNIT K/W ...
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... REF 50 65 300 500 (1) 0.5 0.45 2.3 2.6 90 100 positive (500 V/ s) 170 450 t negative ( TEA1504 TYP. MAX. UNIT V 11.6 V 8.6 V 3.30 V 100 A 550 A 230 190 A 3.0 1.0 mA 4.2 mA 530 460 A 2.1 1 2.57 V 33.2 k 30.5 ...
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... V and Vaux DRIVER V = 8.5 V and Vaux DRIVER V = 8.5 V and Vaux DRIVER V = 8.5 V and Vaux V = 8.5 V DRIVER 12 Preliminary specification TEA1504 MIN. TYP. 14.0 14.7 350 550 R 180 260 REF(nominal) 240 340 R 415 470 REF(nominal) 0.46 0.49 150 210 155 165 95 85 ...
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... Philips Semiconductors GreenChip SMPS control IC APPLICATION INFORMATION A converter using the TEA1504 is usually either a flyback or a buck converter that comprises EMI filter, full bridge rectifier, filter capacitor, transformer, output stage(s) and some snubber circuitry. Depending upon the type of feedback used, either an auxiliary winding (primary regulation opto-coupler (secondary regulation) is used ...
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... Secondary earthing points are isolated from their primary earthing points. Fig.9 Flyback configuration with secondary sensing using the burst mode standby and on/off feature. 1999 Dec HVS power DRIVER MOSFET TEA1504 sense aux aux R sense 14 Preliminary specification TEA1504 ( (1) burst-mode auxiliary stand-by on/off winding from microcontroller MGS576 V o ...
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... S1 R DEM Fig.10 Typical buck configuration with secondary sensing. 1999 Dec OOB 14 1 DEM HVS 13 2 n.c. n. GND DRIVER MOSFET TEA1504 sense n. aux CTRL 9 6 REF REF C aux 15 Preliminary specification power R sense R CTRL MGS577 TEA1504 ...
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... R DEM Fig.11 Typical buck configuration with primary sensing. 1999 Dec 07 V mains V i OOB DEM HVS 13 2 n.c. n. GND DRIVER TEA1504 sense n. aux CTRL 9 6 REF CTRL R REF C aux 16 Preliminary specification TEA1504 power MOSFET R sense MGS578 ...
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... REFERENCES JEDEC EIAJ MO-001AA 17 Preliminary specification 3.60 8.25 10.0 2.54 7.62 3.05 7.80 8.3 0.14 0.32 0.39 0.10 0.30 0.12 0.31 0.33 EUROPEAN PROJECTION TEA1504 SOT27-1 ( max. 0.254 2.2 0.01 0.087 ISSUE DATE 92-11-17 95-03-11 ...
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... If the temperature of the soldering iron bit is less than 300 C it may remain in contact for seconds. If the bit temperature is between 300 and 400 C, contact may seconds. SOLDERING METHOD DIPPING suitable 18 Preliminary specification TEA1504 ). If the stg(max) WAVE (1) suitable ...
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... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 1999 Dec 07 19 Preliminary specification TEA1504 ...
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... Tel. +46 8 5985 2000, Fax. +46 8 5985 2745 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2741 Fax. +41 1 488 3263 Taiwan: Philips Semiconductors, 6F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2886, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 209/2 Sanpavuth-Bangna Road Prakanong, BANGKOK 10260, Tel ...