TEA1520T NXP [NXP Semiconductors], TEA1520T Datasheet

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TEA1520T

Manufacturer Part Number
TEA1520T
Description
SMPS ICs for low-power systems
Manufacturer
NXP [NXP Semiconductors]
Datasheet

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1. General description
2. Features
The TEA152x family STARplug is a Switched Mode Power Supply (SMPS) controller IC
that operates directly from the rectified universal mains. It is implemented in the
high-voltage EZ-HV SOI process, combined with a low-voltage BiCMOS process. The
device includes a high-voltage power switch and a circuit for start-up directly from the
rectified mains voltage.
A dedicated circuit for valley switching is built in, which makes a very efficient slim-line
electronic power plug concept possible.
In its most basic version of application, the TEA152x family acts as a voltage source.
Here, no additional secondary electronics are required. A combined voltage and current
source can be realized with minimum costs for external components. Implementation of
the TEA152x family renders an efficient and low cost power supply system.
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TEA152x
SMPS ICs for low-power systems
Rev. 03 — 23 March 2009
Designed for general purpose supplies up to 30 W
Integrated power switch:
Operates from universal AC mains supplies (80 V to 276 V)
Adjustable frequency for flexible design
RC oscillator for load insensitive regulation loop constant
Valley switching for minimum switch-on loss
Frequency reduction at low power output makes low standby power possible
(< 100 mW)
Adjustable overcurrent protection
Undervoltage protection
Temperature protection
Short-circuit winding protection
Simple application with both primary and secondary (opto) feedback
Available in DIP8 and SO14 packages
N
N
N
N
TEA1520x: 48 ; 650 V
TEA1521x: 24 ; 650 V
TEA1522x: 12 ; 650 V
TEA1523P: 6.5 ; 650 V
Product data sheet

Related parts for TEA1520T

TEA1520T Summary of contents

Page 1

TEA152x SMPS ICs for low-power systems Rev. 03 — 23 March 2009 1. General description The TEA152x family STARplug is a Switched Mode Power Supply (SMPS) controller IC that operates directly from the rectified universal mains implemented in ...

Page 2

NXP Semiconductors 3. Applications I Chargers I Adapters I Set Top Box (STB) I DVD I CD(R) I TV/monitor standby supplies I PC peripherals I Microcontroller supplies in home applications and small portable equipment, etc. 4. Quick reference data Table ...

Page 3

... TEA1522P DIP8 plastic dual in-line package; 8 leads (300 mil) TEA1523P DIP8 plastic dual in-line package; 8 leads (300 mil) TEA1520T SO14 plastic small outline package; 14 leads; body width 3.9 mm TEA1521T SO14 plastic small outline package; 14 leads; body width 3.9 mm TEA1522T SO14 plastic small outline package ...

Page 4

NXP Semiconductors 7. Pinning information 7.1 Pinning Fig 2. 7.2 Pin description Table 3. Symbol V CC GND GND GND GND RC REG AUX GND GND SOURCE n.c. n.c. DRAIN TEA152X_3 Product data sheet DRAIN CC GND ...

Page 5

NXP Semiconductors 8. Functional description The TEA152x family is the heart of a compact flyback converter, with the IC placed at the primary side. The auxiliary winding of the transformer can be used for indirect feedback to control the isolated ...

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NXP Semiconductors 8.4 Valley switching A new cycle is started when the primary switch is switched on (see certain time (determined by the oscillator voltage RC and the internal regulation level), the switch is turned off and the secondary stroke ...

Page 7

NXP Semiconductors Figure 5 the output voltage V the factor N (determined by the turns ratio of the transformer). system switches exactly at minimum drain voltage for ringing frequencies of 480 kHz, thus reducing the switch-on losses to a minimum. ...

Page 8

NXP Semiconductors 8.9 OverTemperature Protection (OTP) An accurate temperature protection is provided in the device. When the junction temperature exceeds the thermal shut-down temperature, the IC stops switching. During thermal protection, the IC current is lowered to the start-up current. ...

Page 9

NXP Semiconductors 9. Limiting values Table 4. In accordance with the Absolute Maximum Rating System (IEC 60134). All voltages are measured with respect to ground; positive currents flow into the device; pins V current driven and pins REG and AUX ...

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NXP Semiconductors 10. Thermal characteristics Table 5. Symbol R th(j-a) [1] Thermal resistance R printed-circuit board. See the TEA152x application notes for details. 11. Characteristics Table over temperature; all voltages are measured with respect ...

Page 11

NXP Semiconductors Table over temperature; all voltages are measured with respect to ground; currents are amb positive when flowing into the IC; unless otherwise specified. Symbol Valley switching ( V/ t) vrec f valley ...

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NXP Semiconductors 12. Application information mains R1 Fig 6. Primary sensed application; configuration for TEA152xP Further application information can be found in the TEA152x application notes. 13. Test information 13.1 Quality information This product has been qualified to the appropriate ...

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NXP Semiconductors 14. Package outline DIP8: plastic dual in-line package; 8 leads (300 mil pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions UNIT max. min. max. ...

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NXP Semiconductors SO14: plastic small outline package; 14 leads; body width 3 pin 1 index 1 e DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT max. ...

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NXP Semiconductors 15. Abbreviations Table 7. Acronym BiCMOS DMOS ESR EZ-HV SOI FET PWM SMPS SOPS 16. Revision history Table 8. Revision history Document ID Release date TEA152X_3 20090323 • Modifications: The format of this data sheet has been redesigned ...

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NXP Semiconductors 17. Legal information 17.1 Data sheet status [1][2] Document status Product status Objective [short] data sheet Development Preliminary [short] data sheet Qualification Product [short] data sheet Production [1] Please consult the most recently issued document before initiating or ...

Page 17

NXP Semiconductors 19. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . ...

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