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TEA1530AT Datasheet

  • TEA1530AT

  • GreenChip⑩II SMPS control IC

  • 570.04KB

  • 22頁

  • PHILIPS

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TEA1530AT
GreenChip鈩I SMPS control IC
Rev. 01 鈥?18 May 2005
Objective data sheet
1. General description
The GreenChip鈩I is the second generation of green Switched Mode Power Supply
(SMPS) controller ICs. Its high level of integration allows the design of a cost effective
power supply with a very low number of external components.
The TEA1530AT can be used in Fixed Frequency converter designs for low voltage, high
current applications. At low power (standby) levels, the system operates in cycle skipping
mode which minimizes the switching losses during standby.
The proprietary high voltage BCD800 process makes direct start-up possible from the
recti鏗乪d universal mains voltage in an effective and green way. A second low voltage
BICMOS IC is used for accurate, high speed protection functions and control.
The TEA1530AT enables highly ef鏗乧ient and reliable supplies to be designed easily.
2. Features
2.1 Distinctive features
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Universal mains supply operation (70 V to 276 V AC)
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High level of integration, resulting in a very low external component count
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Fixed frequency operation
2.2 Green features
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Cycle skipping mode at very low loads; input power < 300 mW at no-load operation for
a typical adapter application
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On-chip start-up current source.
2.3 Protection features
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Safe restart mode for system fault conditions
Undervoltage protection (foldback during overload)
IC OverTemperature Protection (OTP) (latched)
Low and adjustable OverCurrent Protection (OCP) trip level
Soft (re)start
Mains voltage-dependent operation-enabling level
General purpose input for latched or safe restart protection and timing, e.g. to be used
for overvoltage protection (OVP), output short-circuit protection or system OTP.

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