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參數(shù)資料
| 型號： | TOP246R-TL |
| 英文描述： | SMPS Controller |
| 中文描述： | 開關電源控制器 |
| 文件頁數(shù)： | 26/52頁 |
| 文件大?。?/td> | 457K |
| 代理商： | TOP246R-TL |
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TOP242-250
26
H
9/02
6. Robust design: There is no on/off latch that can be accidentally
triggered by transients. Instead, the power supply is held in
the on-state through the secondary side microprocessor.
Data Sheets 2
Application Notes 3
Design Ideas 4
Design Tools 5
Quality and Reliability 6
Package Information 7
DPA-SwitchDC-DC Seminar 8
LinkSwitch & TinySwitch-IIAC-DC Seminar 9
TOPSwitch-GXAC-DC Seminar 10
Sales Representatives and Distributors 11
In addition to using a minimum number of components,
TOPSwitch-GX
provides many technical advantages in this type
of application:
1. Extremely low power consumption in the off mode: 80 mW
typical at 110 VAC and 160 mW typical at 230 VAC. This
is because in the remote/off mode the
TOPSwitch-GX
consumes very little power, and the external circuitry does
not consume any current (either M, L or X pin is open) from
the high voltage DC input.
2. A very low cost, low voltage/current, momentary contact
switch can be used.
3. No debouncing circuitry for the momentary switch is required.
During turn-on, the start-up time of the power supply
(typically 10 to 20 ms) plus the microprocessor initiation
time act as a debouncing filter, allowing a turn-on only if the
switch is depressed firmly for at least the above delay time.
During turn-off, the microprocessor initiates the shutdown
sequence when it detects the first closure of the switch, and
subsequent bouncing of the switch has no effect. If necessary,
the microprocessor could implement the switch debouncing
in software during turn-off, or a filter capacitor can be used
at the switch status input.
4. No external current limiting circuitry is needed for the
operation of the U4 optocoupler output due to internal
limiting of M pin current.
5. No high voltage resistors to the input DC voltage rail are
required to power the external circuitry in the primary. Even
the LED current for U3 can be derived from the CONTROL
pin. This not only saves components and simplifies layout,
but also eliminates the power loss associated with the high
voltage resistors in both on and off states.
相關PDF資料 |
PDF描述 |
|---|---|
| TOP247F | SMPS Controller |
| TOP247R-TL | SMPS Controller |
| TOP248F | SMPS Controller |
| TOP248R-TL | SMPS Controller |
| TOP249F | SMPS Controller |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TOP246Y | 功能描述:IC OFFLINE SWIT UVLO HV TO220 RoHS:否 類別:集成電路 (IC) >> PMIC - AC-DC 轉換器，離線開關 系列:TOPSwitch®-GX 標準包裝:1 系列:FPS™ 輸出隔離:隔離 頻率范圍:61kHz ~ 73kHz 輸入電壓:8 V ~ 26 V 輸出電壓:650V 功率（瓦特）:12W 工作溫度:-40°C ~ 115°C 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-MDIP 包裝:Digi-Reel® 其它名稱:FSL206MRBNFSDKR |
| TOP246Y- | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP246Y/F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Up to 290 W Extended power. design flexible. |
| TOP246YN | 功能描述:交流/直流開關轉換器 90 W 85-265 VAC 125 W 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 安裝風格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel |
| TOP246YN- | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
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