TEA1207T Philips Semiconductors, TEA1207T Datasheet
TEA1207T
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TEA1207T Summary of contents
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... DATA SHEET TEA1207T High efficiency DC/DC converter Preliminary specification Supersedes data of 1999 Jan 14 File under Integrated Circuits, IC03 INTEGRATED CIRCUITS 1999 Oct 21 ...
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... Supply voltage source for low-voltage chip sets Portable computers Battery backup supplies Cameras. GENERAL DESCRIPTION The TEA1207T is a fully integrated DC/DC converter. Efficient, compact and dynamic power conversion is achieved using a novel digitally controlled concept like Pulse Width Modulation (PWM) or Pulse Frequency Modulation (PFM), integrated low R switches with low parasitic capacitances, and fully synchronous rectification ...
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... 200 pulsed 3 2 200 pulsed L PWM mode 220 4 from standby to P 0(max) 3 Preliminary specification TEA1207T TYP. MAX. UNIT 5.50 V 5.50 V 1.60 1.85 V 5.50 V 5.50 V 1.24 1. 0.60 A +17.5 % +17.5 % 0.20 0.30 ...
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... FET OSCILLATOR 6 GND P-type POWER FET I/V sense FET START-UP CIRCUIT CONTROL LOGIC CURRENT LIMIT AND COMPARATORS MODE GEARBOX TIME COUNTER 13 MHz SYNC GATE DIGITAL CONTROLLER SYNC SHDWN U/D Fig.1 Block diagram. 3 UPOUT/DNIN INTERNAL SUPPLY TEA1207T 7 FB BAND GAP REFERENCE MGR665 ...
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... SHDWN 8 shut-down input FUNCTIONAL DESCRIPTION Control mechanism The TEA1207T DC/DC converter is able to operate in PFM (discontinuous conduction) or PWM (continuous conduction) operating mode. All switching actions are completely determined by a digital control circuit which uses the output voltage level as its control input. This novel ...
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... Downconversion: when the input voltage is lower than the target output voltage, but higher than 2.8 V, the P-type power MOSFET will stay conducting resulting in an output voltage being equal to the input voltage minus some resistive voltage drop. The current limiting function remains active. 6 Preliminary specification TEA1207T ...
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... maximum negative spread Fig.4 Spread of location of output voltage window. 7 Preliminary specification high window limit low window limit time time MGK925 upper specification limit 2% lower specification limit MGR667 TEA1207T ...
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... In accordance with “SNW-FQ-611 part E” . 1999 Oct 21 CONDITIONS MIN. shut-down mode 0.2 operating mode 0 human body model; note 1 4000 machine model; note 2 300 resistor and a 0.75 H inductor. CONDITIONS in free air 8 Preliminary specification TEA1207T MAX. UNIT +6.5 V +5.9 V +150 C +80 C +125 C +4000 V +300 V VALUE UNIT 150 ...
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... note 100 200 500 pulsed L 9 Preliminary specification TEA1207T TYP. MAX. UNIT 5.50 V 5.50 V 1.60 1.85 V 2.10 2.50 V 5.50 V 5.50 V 1.24 1.29 V 2.0 3 0.85 A 0.60 A +17.5 % +17 ...
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... L PWM mode 220 4 from standby to P o(max) 40 150 0 note 0.55V following (see Section “Current limiting resistors”). Accuracy of the lim 1 V, the quiescent current ( Preliminary specification TEA1207T TYP. MAX. UNIT 275 330 kHz 6.5 20 MHz ...
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... Oct TEA1207T U/D GND SYNC SHDWN Fig.5 Complete application diagram for upconversion. 3 TEA1207T U/D ILIM SYNC GND R lim 11 Preliminary specification UPOUT/DNIN ILIM R lim MGR668 SHDWN R2 D1 MGR669 TEA1207T V O ...
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... High efficiency DC/DC converter External component selection I L1 NDUCTOR The performance of the TEA1207T is not very sensitive to the inductance value. Best efficiency performance over a wide load current range is achieved by using e.g. TDK SLF7032-6R8M1R6, having an inductance of 6.8 H and a saturation current level of 1 case the maximum output current is lower, other inductors are also suitable such as the small sized Coilcraft DT1608 range ...
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... REFERENCES JEDEC EIAJ MS-012AA 13 Preliminary specification detail 1.0 0.7 1.05 0.25 0.25 0.4 0.6 0.039 0.028 0.041 0.01 0.01 0.016 0.024 EUROPEAN PROJECTION TEA1207T SOT96 ( 0.7 0.1 0 0.028 0.004 0.012 ISSUE DATE 95-02-04 97-05-22 ...
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... Use a low voltage ( less) soldering iron applied to the flat part of the lead. Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 14 Preliminary specification TEA1207T ...
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... Philips for any damages resulting from such improper use or sale. 1999 Oct 21 SOLDERING METHOD WAVE not suitable (2) suitable (3)(4) not recommended (5) not recommended 15 Preliminary specification TEA1207T (1) REFLOW suitable suitable suitable suitable suitable ...
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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 ...