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參數資料
| 型號： | STR-W6753 |
| 元件分類： | 穩壓器 |
| 英文描述： | 11.2 A SWITCHING REGULATOR, 25 kHz SWITCHING FREQ-MAX, PZFM6 |
| 封裝： | ROHS COMPLIANT, PLASTIC, TO-220, 7/6 PIN |
| 文件頁數： | 1/8頁 |
| 文件大小： | 196K |
| 代理商： | STR-W6753 |
Universal-Input/58 W Off-Line Quasi-
Resonant Flyback Switching Regulator
Data
Sheet
28103.31*
STR-W6753
Sanken Power Devices
from Allegro MicroSystems
Switching
Regulators
ABSOLUTE MAXIMUM RATINGS
at TA = +25°C
Control Supply Voltage, VCC . . . . 35 V
Drain-Source Voltage, VDSS . . . . . . 650 V
Drain Switching Current, ID . . . 11.2 A*
Peak Drain Switching Current,
IDM . . . . . . . . . . . . . . . . . . . . . 11.2 A
Single-Pulse Avalanche Energy,
EAS . . . . . . . . . . . . . . . . . . . 145 mJ
OCP/BD Voltage Range,
VOCP . . . . . . . . . . . . –1.5 V to +5 V
FB Input Current, IFB . . . . . . . .
10 mA
FB Voltage Range, VFP
–0.5 V to +9 V
Package Power Dissipation, PD
control (VCC × ICC(ON)) . . . . . . 0.8 W
MOSFET (VDSS × ID) . . . See Graph
MOSFET Channel Temp., TJ . +150°C
Internal Frame Temp., TF . . . . +115°C
Operating Temperature Range,
TA . . . . . . . . . . .
-20°C to +115°C
Storage Temperature Range,
TS . . . . . . . . . . . .
-40°C to +125°C
* Drain switching current is limited by tem-
perature (page 2) and safe operating area
(page 5).
For the availability of parts meeting -40°C
requirements, contact Allegro’s Sales Represen-
tative.
The STR-W6753 is a quasi-resonant regulator specifically designed
to satisfy the requirements for increased integration and reliability in
switch-mode power supplies. It incorporates a primary control and drive
circuit with an avalanche-rated power MOSFET. The regulator exhibits
only low-level high-frequency EMI noise because of soft switching of
the MOSFET close to ground (bottom point). A bottom-skip function
minimizes an increase of operational frequency during light loads to
improve system efficiency over the entire load range.
Covering the power range from below 120 watts for a 230 VAC
input, or 58 watts for a universal input (85 to 264 VAC), this device can
be used in a range of applications, from DVD and VCR players to ac
adapters for cellular phones and digital cameras. An auto-standby
function, which is internally triggered by sensing on time, reduces
power consumption at light load. An externally triggered standby mode
reduces the input power further. Multiple protections, including the
avalanche-energy-guaranteed MOSFET, provide high reliability of
system design. Devices with an increased output power rating are the
STR-W6754 and STR-W6756.
Cycle-by-cycle current limiting, undervoltage lockout with hyster-
esis, and overvoltage protection protect the power supply during the
normal overload and fault conditions. Overvoltage protection is latched
after a short delay. The latch may be reset by cycling the input supply.
Low start-up current and a low-power standby mode selected from the
secondary circuit completes a comprehensive suite of features. The
STR-W6753 is provided in a fully molded TO-220-style flange-
mounted, high power, isolated plastic package.
FEATURES AND BENEFITS
■ Rugged 650 V Avalanche-Rated MOSFET
Simplified Surge Absorption
No VDSS Derating Required
■ 1.7
Maximum r
DS(on)
■ Two Operational Modes by Automatic Switching:
Quasi-Resonant Mode for Normal Operation
Burst Mode for Standby Operation or Light Loads
■ Automatic or Manually Triggered Burst Standby
Input Power <0.1 W at No Load
■ Low Operating Current (6 mA typ)
— continued
Always order by complete part number, e.g., STR-W6753 .
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相關代理商/技術參數 |
參數描述 |
|---|---|
| STRW6754 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Universal-Input/100 W Off-Line Quasi-Resonant Flyback Switching Regulator |
| STR-W6754 | 制造商:Sanken Electric Co Ltd 功能描述:IC POWER QUASI RES SW TO-220F-6 制造商:Allegro MicroSystems LLC 功能描述:AC/DC Converter IC (Quasi resonance type) |
| STRW6756 | 制造商:Sanken Electric Co Ltd 功能描述:Mosfet Allegro/Sanken IC 7-Pin Zip-Hs |
| STR-W6756 | 制造商:Sanken Electric Co Ltd 功能描述:IC POWER QUASI RES SW TO-220F-6 制造商:ALLEGRO 功能描述:AC/DC Converter IC (Quasi resonance type) 制造商:Allegro MicroSystems LLC 功能描述:AC/DC Converter IC (Quasi resonance type) |
| STR-W6756N | 制造商:Sanken Electric Co Ltd 功能描述:IC POWER QUASI RES SW TO-220F-6 |
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