tea1738ft NXP Semiconductors, tea1738ft Datasheet
tea1738ft
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tea1738ft Summary of contents
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... The TEA1738FT enables low cost, highly efficient and reliable supplies for power requirements designed easily and with a minimum number of external components. The TEA1738FT is intended to operate in combination with a standby power supply. It has a lower start-up voltage than the standard TEA1738. 2. Features and benefits 2 ...
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... Package Name TEA1738FT SO8 TEA1738FT Product data sheet Description plastic small outline package; 8 leads; body width 3.9 mm All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control IC Version SOT96-1 © NXP B.V. 2011. All rights reserved ...
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... S restart Q R soft start latch S stop Q VINSENSE R latch reset latch DIGITAL CONTROL All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control overpower 2.5 V driver OTP OSCILLATOR MODULATION ANALOG SLOPE CONTROL COMPENSATION driver Q S stop ...
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... All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control IC 8 OPTIMER 7 CTRL TEA1738FT 6 PROTECT 5 VINSENSE 014aab290 © NXP B.V. 2011. All rights reserved ...
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... NXP Semiconductors 7. Functional description 7.1 General control The TEA1738FT contains a flyback circuit controller, a typical configuration of which is shown Θ O1 Fig 3. Typical configuration 7.2 Start-up and UnderVoltage LockOut (UVLO typical application the VCC supply voltage is provided by an additional standby power supply. ...
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... V O starting normal charging VCC converter operation capacitor Start-up sequence, normal operation and restart sequence voltage (0.94 V typical). All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control IC V startup V th(UVLO) soft start V start(VINSENSE) V det(L)(VINSENSE) V ...
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... The maximum duty cycle is limited (typical). (see Figure ctrl(Ipeak) current (11 μA typical) is sourced from the OPTIMER pin. If the IO(OPTIMER) voltage is reached, the TEA1738FT restarts. prot(OPTIMER) All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control IC (0 ...
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... TEA1738FT Product data sheet ISENSE V OPTIMER normal high load load Overpower delay (TEA1738FT) 3) and compared with an internal control voltage. The internal control voltage 0.6 V sense(max) (V) 0.4 frequency reduction 0 Peak current control All information provided in this document is subject to legal disclaimers. ...
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... Leading edge blanking 8). 2 1.7 I ISENSE (μA) 0.68 1 Overpower compensation Section 7.11). All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control IC t 014aaa932 (V) VINSENSE 014aaa933 Figure 3) on the ISENSE © NXP B.V. 2011. All rights reserved. ...
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... Limiting values Parameter supply voltage voltage on pin VINSENSE voltage on pin PROTECT voltage on pin CTRL input/output voltage on pin OPTIMER All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control IC Figure 6 and Figure 9) peak power high power medium ...
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... JEDEC test board thermal resistance from in free air; junction to case JEDEC test board All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control IC Conditions Min −0.4 current limited δ < −1 − ...
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... CC startup no load on pin DRIVER; - δ load on pin DRIVER; - δ detection level 0.89 0. μ I(VINSENSE) 0.47 0.75 All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control IC Typ Max Unit 13.2 14.2 V 12.2 13 startup ...
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... OPTIMER capacitor −0.1 discharging OPTIMER capacitor All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control IC Typ Max Unit −32 −30 μA μA 107 127 4.1 4.7 V 1.8 2 ...
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... CTRL enable voltage DRIVER 0.25 DRIVER 0.6 DRIVER 9 130 All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control IC Typ Max Unit 0.51 0.54 V 0.53 0.56 V 400 430 mV/μs 300 350 ns μA 0.28 - μA 1 ...
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... NXP Semiconductors 11. Application information A power supply with the TEA1738FT is a flyback converter operating in Continuous conduction mode. See Capacitor C5 buffers the IC supply voltage, which is powered by an additional standby power supply. Sense resistor R9 converts the current through MOSFET S1 into a voltage on pin ISENSE. The values of resistor R9 defines the maximum primary peak current in MOSFET S1 ...
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... REFERENCES JEDEC JEITA MS-012 All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control θ detail ...
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... NXP Semiconductors 13. Revision history Table 6. Revision history Document ID Release date TEA1738FT v.2 20110114 TEA1738FT v.1 20101230 TEA1738FT Product data sheet Data sheet status Product data sheet Preliminary data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control IC ...
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... Export control — This document as well as the item(s) described herein may be subject to export control regulations. Export might require a prior authorization from national authorities. All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control IC © NXP B.V. 2011. All rights reserved ...
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... Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. GreenChip — trademark of NXP B.V. http://www.nxp.com salesaddresses@nxp.com All information provided in this document is subject to legal disclaimers. Rev. 2 — 14 January 2011 TEA1738FT GreenChip SMPS control IC © NXP B.V. 2011. All rights reserved ...
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... Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. © NXP B.V. 2011. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com All rights reserved. Date of release: 14 January 2011 Document identifier: TEA1738FT ...