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ACT410 반도체 회로 부품 판매점

Quasi-Resonant PWM Controller



Active-Semi 로고
Active-Semi
ACT410 데이터시트, 핀배열, 회로
ACT410
Rev 3, 27-Feb-14
ActivePSRTM Quasi-Resonant PWM Controller
FEATURES
Patented Primary Side Regulation
Technology
Quasi-Resonant Operation
Adjustable up to 120kHz Switching
Frequency
+/-5% Output Voltage Regulation
Accurate OCP/OLP Protection
Integrated Output Cord Compensation
Integrated Line and Primary Inductance
Compensation
Built-in Soft-Start Circuit
Line Under-Voltage, Thermal, Output Over-
voltage, Output Short Protections
Current Sense Resistor Short Protection
Transformer Short Winding Protection
Less than 100mW Standby Power
Complies with Global Energy Efficiency and
CEC Average Efficiency Standards
Tiny SOT23-6 Package
and overload conditions, it would enter auto restart
mode including cycle-by-cycle current limiting.
ACT410 is to achieve no overshoot and very short
rise time even with big capacitive load (4000µF)
with the built-in fast and soft start process, .
The Quasi-Resonant (QR) operation mode can
effectively improve efficiency, reduce the EMI noise
and further reduce the components in input filter.
ACT410 is idea for application up to 36 Watt.
Figure 1:
Simplified Application Circuit
APPLICATIONS
AC/DC Adaptors/Chargers for Smart Phones,
iPADs, ADSL, PDAs, E-books
Adaptors for Portable Media Player, DSCs,
and Other
GENERAL DESCRIPTION
The ACT410 is a high performance peak current
mode PWM controller which applies ActivePSRTM
and ActiveQRTM technology. ACT410 achieves
accurate voltage regulation without the need of an
opto-coupler or reference device.
The ACT410 is designed to achieve less than
100mW Standby Power. By applying frequency fold
back and ActiveQRTM technology, ACT410
exceeds the latest ES2.0 efficiency standard.
ACT410 integrates comprehensive protection. In
case of over temperature, over voltage, short
winding, short current sense resistor, open loop
Innovative PowerTM
-1-
Active-Semi ProprietaryFor Authorized Recipients and Customers
ActivePSRTM is a trademark of Active-Semi.
www.active-semi.com
Copyright © 2014 Active-Semi, Inc.


ACT410 데이터시트, 핀배열, 회로
ACT410
Rev 3, 27-Feb-14
ORDERING INFORMATION
PART NUMBER
ACT410US-T
TEMPERATURE
RANGE
PACKAGE
PINS
-40°C to 85°C
SOT23-6
6
PACKING
METHOD
OPTION (DC
CORD %)
TOP MARK
TUBE & REEL
6
FRYH
PIN CONFIGURATION
PIN DESCRIPTIONS
SOT23-6
ACT410US
PIN NAME
DESCRIPTION
1
CS
Current Sense Pin. Connect an external resistor (RCS) between this pin and ground to set peak
current limit for the primary switch.
2 GND Ground.
3 GATE Gate Drive. Gate driver for the external MOSFET transistor.
4 VDD Power Supply. This pin provides bias power for the IC during startup and steady state operation.
5 FB Feedback Pin. Connect this pin to a resistor divider network from the auxiliary winding.
6 COMP Compensation Pin.
Innovative PowerTM
-2-
Active-Semi ProprietaryFor Authorized Recipients and Customers
ActivePSRTM is a trademark of Active-Semi.
www.active-semi.com
Copyright © 2014 Active-Semi, Inc.




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ACT410 controller

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