Datasheet > TES1705

TES1705

更新时间： 2024-01-03 00:21:31

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
2页	630K
描述
Optimized battery charging up to 12W

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TES1705 数据手册

NXP GreenChip SMPS

transient controller TEA1705

Optimized battery charging up to 12W

When used to monitor the output voltage of the secondary side in an SMPS application, this cost-

effective transient controller helps deliver exceptionally fast dynamic load response.

Key features

The TEA1705 is ideally suited for use with the NXP TEA1720A,

a small, low-cost SMPS controller that operates directly

from the rectiﬁed universal mains output and can detect the

communication pulse from the TEA1705. The two devices

combine to create a system that delivers very tight transient

response (5 V 5%) with small output capacitors and very low

no-load power up to 12 W.

` Excellent transient performance with ultra-low no-load

power and smallest output capacitors

` Fast detection of a decreasing output voltage during load

steps

` Device available in small SOT-23 package

Applications

` Battery chargers for smartphones and media tablets up to

12 W

The TEA1720A/TEA1705 combination delivers integrated HV

start-up, ultra-low no-load power (<10 mW), improved CC

mode accuracy of less than 10%, and external low-cost NPN

power transistor. The TEA1720A/TEA1705 combination is also

compliant to the USB 1.1 and 1.2 charging speciﬁcations. The

result is a low-power converter built at minimum cost and with

a minimum number of external components.

` Standby supplies for TVs and desktop PCs

The NXP TEA1705 is a secondary side IC for use in Switched

Mode Power Supplies (SMPS) with high power density. It offers

excellent transient response of primary controlled systems,

with ultra-low no-load power and minimum-sized output

capacitors. The output voltage is continuously monitored

and when the output voltage is below the threshold level,

a transient interrupt signal is generated. This signal is

transmitted via the transformer to the primary side to wake

up the primary controller. This system reduces the volume of

the output capacitors and makes it possible to build compact

chargers.

TEA1720A

Primarily designed for phone and media tablet chargers

operating up to 12 W, the GreenChip TEA1720A includes

an emitter switch for driving an external low-cost bipolar

power transistor. It has been optimized for ﬂyback converter

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TES175	TOPSTEK	获取价格	Topstek Current Transducers
TES1A	BL Galaxy Electrical	获取价格	1A,50V,35ns, Surface Mount Fast Recovery Rectifiers
TES1A045-FREQ1	RALTRON	获取价格	TTL Output Clock Oscillator, 1.5MHz Min, 30MHz Max
TES1A048-FREQ1	RALTRON	获取价格	TTL Output Clock Oscillator, 1MHz Min, 30MHz Max
TES1A048-FREQ2	RALTRON	获取价格	TTL Output Clock Oscillator, 30MHz Min, 100MHz Max
TES1A048-FREQ3	RALTRON	获取价格	TTL Output Clock Oscillator, 32MHz Min, 160MHz Max
TES1A100-FREQ1	RALTRON	获取价格	TTL Output Clock Oscillator, 1MHz Min, 30MHz Max
TES1A100-FREQ2	RALTRON	获取价格	TTL Output Clock Oscillator, 30MHz Min, 100MHz Max
TES1A125-160M000000	RALTRON	获取价格	Oscillator
TES1A125-FREQ3	RALTRON	获取价格	TTL Output Clock Oscillator, 32MHz Min, 160MHz Max

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