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參數(shù)資料
| 型號(hào)： | TNY256G |
| 廠商： | POWER INTEGRATIONS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | TinySwitch Plus Energy Efficient, Low Power Off-line Switcher |
| 中文描述： | SWITCHING CONTROLLER, PDSO8 |
| 封裝： | PLASTIC, SMD-8 |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大小： | 509K |
| 代理商： | TNY256G |
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TNY256
TinySwitch
Energy Efficient, Low Power Off-line Switcher
Plus
July 2001
Figure 1. Typical Standby Application.
ORDER
PART
NUMBER
85-265
VAC
230 VAC or
115 VAC
w/Doubler
Product Highlights
TinySwitch Plus
Features
Extended power range
Fully integrated auto-restart reduces short circuit current
Line under-voltage sense eliminates turn-off glitches
Frequency jittering dramatically reduces EMI (5 to 10 dB)
TO-220 package option
Lowest Cost, Low Power Switcher Solution
Lower cost than RCC, discrete PWM and other
integrated/hybrid solutions
Cost effective replacement for bulky linear adapters
Lowest component count
Simple ON/OFF control
–
no loop compensation components
No bias winding
–
simpler, lower cost transformer
Designed to work with low cost external components
Extremely Energy Efficient
Consumes only 30/60 mW at 115/230 VAC with no load
Meets Blue Angel, Energy Star, Energy 2000 and
200mW European cell phone requirements for standby
Saves $1 to $4 per year in energy costs (at $0.12/kWHr)
compared to bulky linear adapters
Ideal for cellular phone chargers and adapters
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
The TNY256 extends the power range of the
TinySwitch
family
of energy efficient, low power off-line switchers.
TinySwitch
devices use a breakthrough design to provide the lowest cost,
high efficiency, off-line switching solution for low power
applications. They integrate a 700 V power MOSFET, oscillator,
high voltage switched current source, current limit and thermal
shutdown circuitry into a single, monolithic device. The
devices start-up and operate on power derived from the DRAIN
voltage, eliminating the need for a transformer bias winding and
associated circuitry.
TinySwitch's
low operating current allows
power supply no-load consumption to be kept under 100 mW,
even at 265 VAC input.
TNY256P
OUTPUT POWER CAPABILITY*
PACKAGE
DIP-8
SMD-8
TNY256G
TNY256Y
5-10 W
8-15 W
The
TinySwitch
Plus
incorporates auto-restart, line under-voltage
sense, and frequency jittering features. The auto-restart circuit
safely limits output power during fault conditions such as output
short or open loop. The auto-restart circuit is fully integrated and
does not require external timing components. The line under-
voltage sense threshold can be externally programmed using a line
sense resistor. During start-up, this feature keeps the TNY256 off
until the input line voltage reaches the under-voltage threshold.
When the input line voltage is removed, the line under-voltage
circuit prevents auto-restart attempts after the output goes out of
regulation. This eliminates power down glitches caused by the
slow discharge of input storage capacitors present in applications
such as standby supplies. A single resistor is used to implement
this feature, eliminating what normally takes five to six components.
The line sense resistor is optional. The TNY256 operating frequency
of 130 kHz is jittered (frequency modulated) to reduce both quasi-
peak and average EMI, minimizing filtering costs.
Table 1. * The low end of the power ranges shown represent enclosed
adapters with minimal heat sinking whereas, the high end of the power
ranges represent open frame power supplies with adequate heat
sinking, both measured at an ambient of 50
o
C. Please refer to the Key
Application Considerations section for more details.
TO-220-7B
PI-2363-022699
Wide-Range
HV DC Input
D
S
EN/UV
BP
+
–
+
–
DC Output
TinySwitch Plus
Optional
UV Resistor
8-19 W
5-11 W
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TNY256P | TinySwitch Plus Energy Efficient, Low Power Off-line Switcher |
| TNY256Y | TinySwitch Plus Energy Efficient, Low Power Off-line Switcher |
| TNY256 | CONNECTOR ACCESSORY |
| TNY264 | Enhanced, Energy Efficient, Low Power Off-line Switcher |
| TNY264G | Enhanced, Energy Efficient, Low Power Off-line Switcher |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TNY256GN | 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 10W 85-265 VAC 15W 100/115/230 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 |
| TNY256GN-TL | 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 10W 85-265 VAC 15W 100/115/230 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 |
| TNY256G-TL | 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 10W 85-265 VAC 15W 100/115/230 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 |
| TNY256P | 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 10W 85-265 VAC 15W 100/115/230 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 |
| TNY256PN | 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 10W 85-265 VAC 15W 100/115/230 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 |
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