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ACT365 Datasheet(PDF) 1 Page - Active-Semi, Inc

Part No. ACT365
Description  High Performance ActivePSRTM Primary Switching Regulator
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Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT365 Datasheet(HTML) 1 Page - Active-Semi, Inc

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Innovative Power
TM
- 1 -
www.active-semi.com
Copyright © 2013 Active-Semi, Inc.
High Performance ActivePSR
TM Primary Switching Regulator
FEATURES
Patented Primary Side Regulation
Technology
No Opto-Coupler
Suitable Operation Frequency up to 85kHZ
Best-in-Class Constant Voltage Accuracy
Proprietary Fast Startup with Big Capacitive
Load
Built-in Soft-Start Circuit
Integrated Line and Primary Inductance
Compensation
Integrated Programmable Output Cord
Resistance Compensation
Line Under-Voltage, Output Over-Voltage,
Output Short-Circuit and Over-Temperature
Protection
Complies with all Global Energy Efficiency
and CEC Average Efficiency Standards
Dedicate Adapter Application from 6W to
12W
APPLICATIONS
RCC Adapter Replacements
Linear Adapter Replacements
Standby and Auxiliary Supplies
GENERAL DESCRIPTION
The ACT365 belongs to the high performance
patented ActivePSRTM Family of Universal-input
AC/DC off-line controllers for adapter applications.
It is designed for flyback topology working in
discontinuous
conduction
mode
(DCM).
The
ACT365 meets all of the global energy efficiency
regulations (CEC, European Blue Angel, and US
Energy Star standards) while using very few
external components.
The ACT365 ensures safe operation with complete
protection against all fault conditions. Built-in
protection circuitry is provided for output short-
circuit, output over-voltage, line under-voltage, and
over temperature conditions.
The ACT365 ActivePSRTM is optimized for high
performance,
cost-sensitive
applications,
and
utilizes
Active-Semi’s
proprietary
primary-side
feedback architecture to provide accurate constant
voltage, constant current (CV/CC) regulation
without the need of an opto-coupler or reference
device. Integrated line and primary inductance
compensation circuitry provides accurate constant
current operation despite wide variations in line
voltage and primary inductance. Integrated output
cord resistance compensation further enhances
output accuracy. The ACT365 achieves excellent
regulation and transient response, yet requires less
than 150mW of standby power.
The ACT365 is optimized for compact size 6W to
12W adapter applications. It is available in SOP-8
package.
Figure 1:
Simplified Application Circuit
ACT365
PART
NUMBER
85-265VAC
TYPICAL
APPLICATION
Po MAX
ACT365SH-T
(SOP-8)
5V/2.1A
12W
Table 1:
Output Power Table
Rev 2, 10-Jan-13


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