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| 型號： | TNY268PG |
| 英文描述： | 4-23 W TinySwitch-II family of energy efficient. |
| 中文描述： | 4-23糯的TinySwitch -Ⅱ系列高效的能源。 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 200K |
| 代理商： | TNY268PG |
TNY264/266-268
TinySwitch-II
Family
Enhanced, Energy Efficient,
Low Power Off-line Switcher
Figure 1. Typical Standby Application.
Product Highlights
TinySwitch-II
Features Reduce System Cost
Fully integrated auto-restart for short circuit and open
loop fault protection–saves external component costs
Built-in circuitry practically eliminates audible noise with
ordinary varnished transformer
Programmable line under-voltage detect feature prevents
power on/off glitches–saves external components
Frequency jittering dramatically reduces EMI (~10 dB)
–minimizes EMI filter component costs
132 kHz operation reduces transformer size–allows use of
EF12.6 or EE13 cores for low cost and small size
Very tight tolerances and negligible temperature variation
on key parameters eases design and lowers cost
Lowest component count switcher solution
Better Cost/Performance over RCC & Linears
Lower system cost than RCC, discrete PWM and other
integrated/hybrid solutions
Cost effective replacement for bulky regulated linears
Simple ON/OFF control–no loop compensation needed
No bias winding–simpler, lower cost transformer
EcoSmart
No load consumption < 50 mW with bias winding and
< 250 mW without bias winding at 265 VAC input
Meets Blue Angel, Energy Star, and EC requirements
Ideal for cell-phone charger and PC standby applications
–Extremely Energy Efficient
High Performance at Low Cost
High voltage powered–ideal for charger applications
High bandwidth provides fast turn on with no overshoot
Current limit operation rejects line frequency ripple
Built-in current limit and thermal protection
Description
TinySwitch-II
maintains the simplicity of the
TinySwitch
topology, while providing a number of new enhancements to
further reduce system cost and component count, and to
practically eliminate audible noise. Like
TinySwitch
, a 700 V
power MOSFET, oscillator, high voltage switched current source,
current limit and thermal shutdown circuitry are integrated onto a
monolithic device. The start-up and operating power are derived
directly from the voltage on the DRAIN pin, eliminating the
need for a bias winding and associated circuitry. In addition, the
PI-2684-101700
Wide-Range
HV DC Input
D
S
EN/UV
BP
+
-
+
-
DC Output
TinySwitch-II
Optional
UV Resistor
April 2003
PRODUCT
(3)
Adapter
(1)
Open
Frame
(2)
9 W
15 W
19 W
23 W
Open
Frame
(2)
6 W
9.5 W
12 W
15 W
OUTPUT POWER TABLE
Table 1.
Notes:
1.
Typical continuous power in a non-ventilated enclosed
adapter measured at 50
°
C ambient.
2.
Maximum practical continuous
power in an open frame design with adequate heat sinking, measured at
50
°
C ambient (See key applications section for details).
3.
Packages:
P: DIP-8B, G: SMD-8B. Please see part ordering information.
230 VAC
±
15%
Adapter
(1)
85-265 VAC
5.5 W
10 W
13 W
16 W
4 W
6 W
8 W
10 W
TNY264P or G
TNY266P or G
TNY267P or G
TNY268P or G
TinySwitch-II
devices incorporate auto-restart, line under-
voltage sense, and frequency jittering. An innovative design
minimizes audio frequency components in the simple ON/OFF
control scheme to practically eliminate audible noise with
standard taped/varnished transformer construction. The fully
integrated auto-restart circuit safely limits output power during
fault conditions such as output short circuit or open loop,
reducing component count and secondary feedback circuitry
cost. An optional line sense resistor externally programs a line
under-voltage threshold, which eliminates power down glitches
caused by the slow discharge of input storage capacitors present
in applications such as standby supplies. The operating frequency
of 132 kHz is jittered to significantly reduce both the quasi-peak
and average EMI, minimizing filtering cost.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TNY268PN | 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 15W 85-265 VAC 19W/230 VAC RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開關(guān)頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel |
| TNY268PN-TL | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:Enhanced, Energy Efficient, Low Power Off-line Switcher |
| TNY268PTL | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:Enhanced, Energy Efficient, Low Power Off-line Switcher |
| TNY274 | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:Energy Efficient, Off-Line Switcher with Enhanced Flexibility and Extended Power Range |
| TNY274_09 | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:Energy-Effi cient, Off-Line Switcher With Enhanced Flexibility and Extended Power Range |
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