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PDF A6169 Data sheet ( Hoja de datos )
| Número de pieza | A6169 | |
| Descripción | STR-A6169 | |
| Fabricantes | Allegro | |
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Hay una vista previa y un enlace de descarga de A6169 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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SwRitecghuinlagtors
ABSOLUTE MAXIMUM RATINGS
at TA = +25°C
Control Supply Voltage, VCC . . . . 35 V
Drain-Source Voltage, VDSS . . . . . . 800 V
Drain Switching Current, ID . . . . 1.2 A*
Peak Drain Switching Current,
IDM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 A
Single-Pulse Avalanche Energy,
EAS . . . . . . . . . . . . . . . . . . . . . 7 mJ
Start-Up Pin Voltage Range,
Vstartup . . . . . . . . . –0.3 V to +600 V
OCP Voltage Range,
VOCP . . . . . . . . . . . . –0.5 V to +6 V
FB/OLP Voltage Range,
VFB/OLP . . . . . . . . . . –0.5 V to +10 V
Package Power Dissipation, PD
control (VCC × ICC(ON)) . . . . . 0.15 W
MOSFET (VDSS × ID) . . . . . . 1.35 W
total . . . . . . . . . . . . . . . . . . . . 1.5 W
MOSFET Channel Temp., TJ . +150°C
Internal Frame Temp., TF . . . . +125°C
Operating Temperature Range,
TA . . . . . . . . . . . -20°C to +125°C†
Storage Temperature Range,
TS . . . . . . . . . . . . -40°C to +125°C
* Drain switching current is limited by temperature
(page 2) and safe operating area (page 4).
†For the availability of parts meeting -40°C
requirements, contact Allegro’s Sales Represen-
tative.
STR-A6169
Universal-Input/5 W
Flyback Switching Regulator
The STR-A6169 is a PRC topology (fixed off-time) regulator
specifically designed to satisfy the requirements for increased integration
and reliability in flyback converters. It incorporates a primary control
and drive circuit with avalanche-rated 800 V power MOSFET.
Covering the power range from below 8 watts for a 230 VAC input,
or 5 watts for a universal (85 to 264 VAC) input, 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
reduces power consumption at light load, while multiple protections,
including the avalanche-energy guaranteed MOSFET, provide high
reliability of system design. Devices with an increased output power
rating are the STR-A6151 and STR-A6159.
Cycle-by-cycle current limiting, undervoltage lockout with hyster-
esis, overvoltage protection, and thermal shutdown protect the power
supply during the normal overload and fault conditions. Overvoltage
protection and thermal shutdown are 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-A6169 is provided in an 8-
pin mini-DIP plastic package.
FEATURES AND BENEFITS
■ Rugged 800 V Avalanche-Rated MOSFET
Simplified Surge Absorption
No VDSS Derating Required
■ 19.2 Ω rDS(on)
■ Two Operational Modes by Automatic Switching:
PRC Mode for Normal Operation
Burst Mode for Stand-By Operation or Light Loads
■ Built-In Leading Edge Blanking
■ Low Start-Up Current
Start-Up Circuit Disabled in Operation
■ Low Operating Current (1.5 mA typ)
■ Automatic Burst Stand-By (intermittent operation)
Input Power <0.1 W at No Load
— continued
Always order by complete part number, e.g., STR-A6169 .
Sanken Power Devices
from Allegro MicroSystems
Free Datasheet http://www.0PDF.com
1 page  
SwRitecghuinlagtors
STR-A6169
Universal-Input/5 W
Flyback Switching Regulator
MOSFET TYPICAL CHARACTERISTICS (cont’d)
www.allegromicro.com
5
Free Datasheet http://www.0PDF.com
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet A6169.PDF ] | |
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