ACT336SH-T

ACT336SH-T Datasheet

ACT336

Part	Datasheet
ACT336SH-T	ACT336SH-T (pdf)

Related Parts	Information
EA336SH	EA336SH

PDF Datasheet Preview
ACT336 Product Brief, 15-Apr-11 High Performance ActivePSRTM Primary Switching Regulator • Ultra Low Standby Power < 30mW • Patented Primary Side Regulation Technology • Suitable Operation Frequency up to 85kHZ • Proprietary Fast Startup 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 • Adjustable Power from 2W to 6.3W • Minimum External Components • SOP-8 Package over temperature conditions. The ACT336 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 ACT336 achieves excellent regulation and transient response, yet requires less than 30mW of standby power. The ACT336 is optimized for compact size 2W to 6.3W charger applications. It is available in spacesaving 8 pin SOP-8 package. Figure 1: Simplified Application Circuit • Chargers for Cell Phones, PDAs, MP3, Portable Media Players, DSCs, and Other Portable Devices and Appliances • RCC Adapter Replacements • Linear Adapter Replacements • Standby and Auxiliary Supplies The ACT336 belongs to the high performance patented ActivePSRTM Family of Universal-input AC/DC off-line controllers for battery charger and adapter applications. It is designed for flyback topology working in discontinuous conduction mode DCM . The ACT336 meets all of the global energy efficiency regulations CEC, European Blue Angel, and US Energy Star standards while using very few external components. The ACT336 ensures safe operation with complete protection against all fault conditions. Built-in protection circuitry is provided for output shortcircuit, output over-voltage, line under-voltage, and Innovative PowerTM ActivePSRTM is a trademark of Active-Semi. Copyright 2011 Active-Semi, Inc. ACT336 Product Brief, 15-Apr-11 ORDERING INFORMATION PART NUMBER TEMPERATURE RANGE ACT336SH-T -40°C to 85°C PACKAGE PINS SOP-8 PACKING METHOD TAPE & REEL TOP MARK ACT336SH PIN CONFIGURATION ACT336SH SOP-8 ACT336SH PIN DESCRIPTIONS PIN SOP-8 1 2,4,7 NAME SW G BD VDD FB Switch Drive. Switch node for the external NPN transistor. Connect this pin to the external power NPN’s emitter. This pin also supplies current to VDD during startup. Ground 2,4 and 7 pin must be connected together . Base Drive. Base driver for the external NPN transistor. Power Supply. This pin provides bias power for the IC during startup and steady state operation. Feedback Pin. Connect this pin to a resistor divider network from the auxiliary winding. Current Sense Pin. Connect an external resistor RCS between this pin and ground to set peak current limit for the primary switch. The peak current limit is set by 0.396V x / RCS. For more detailed information, see Application Information. Innovative PowerTM Copyright 2011 Active-Semi, Inc. Figure 6 Universal VAC Input, 5V/1.2A Output Charger ACT336 Product Brief, 15-Apr-11 Table 1: ACT336 Bill of Materials Item Reference C1,C2 Capacitor, Electrolytic, 6.8uF/400V, 10x12mm Capacitor, Ceramic,220pF/500V,1206,SMD Capacitor, Ceramic,4.7uF/35V,1206,SMD C5,C6 Capacitor, Electrolytic, 680uF/10V, 8x12mm Capacitor, Ceramic,1000pF/50V, 0805, SMD D1-D4 Diode,Rectifier,1000V/1A,1N4007, DO-41

PDF Datasheet Preview

ACT336

Product Brief, 15-Apr-11

High Performance ActivePSRTM Primary Switching Regulator
• Ultra Low Standby Power < 30mW
• Patented Primary Side Regulation

Technology
• Suitable Operation Frequency up to 85kHZ
• Proprietary Fast Startup 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
• Adjustable Power from 2W to 6.3W
• Minimum External Components
• SOP-8 Package
over temperature conditions.

The ACT336 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 ACT336 achieves excellent regulation and transient response, yet requires less than 30mW of standby power.

The ACT336 is optimized for compact size 2W to 6.3W charger applications. It is available in spacesaving 8 pin SOP-8 package.

Figure 1:

Simplified Application Circuit
• Chargers for Cell Phones, PDAs, MP3,

Portable Media Players, DSCs, and Other Portable Devices and Appliances
• RCC Adapter Replacements
• Linear Adapter Replacements
• Standby and Auxiliary Supplies

The ACT336 belongs to the high performance patented ActivePSRTM Family of Universal-input AC/DC off-line controllers for battery charger and adapter applications. It is designed for flyback topology working in discontinuous conduction mode DCM . The ACT336 meets all of the global energy efficiency regulations CEC, European Blue Angel, and US Energy Star standards while using very few external components.

The ACT336 ensures safe operation with complete protection against all fault conditions. Built-in protection circuitry is provided for output shortcircuit, output over-voltage, line under-voltage, and

Innovative PowerTM

ActivePSRTM is a trademark of Active-Semi.

Copyright 2011 Active-Semi, Inc.

ACT336

Product Brief, 15-Apr-11
ORDERING INFORMATION

PART NUMBER TEMPERATURE RANGE

ACT336SH-T
-40°C to 85°C

PACKAGE PINS

SOP-8

PACKING METHOD

TAPE & REEL

TOP MARK

ACT336SH

PIN CONFIGURATION

ACT336SH

SOP-8 ACT336SH

PIN DESCRIPTIONS

PIN SOP-8
1 2,4,7

NAME

SW G BD VDD FB

Switch Drive. Switch node for the external NPN transistor. Connect this pin to the external power NPN’s emitter. This pin also supplies current to VDD during startup.

Ground 2,4 and 7 pin must be connected together .

Base Drive. Base driver for the external NPN transistor.

Power Supply. This pin provides bias power for the IC during startup and steady state operation.

Feedback Pin. Connect this pin to a resistor divider network from the auxiliary winding.

Current Sense Pin. Connect an external resistor RCS between this pin and ground to set peak current limit for the primary switch. The peak current limit is set by 0.396V x / RCS. For more detailed information, see Application Information.

Innovative PowerTM

Copyright 2011 Active-Semi, Inc.

Figure 6 Universal VAC Input, 5V/1.2A Output Charger

ACT336

Product Brief, 15-Apr-11

Table 1:

ACT336 Bill of Materials

Item Reference

C1,C2

Capacitor, Electrolytic, 6.8uF/400V, 10x12mm

Capacitor, Ceramic,220pF/500V,1206,SMD

Capacitor, Ceramic,4.7uF/35V,1206,SMD

C5,C6

Capacitor, Electrolytic, 680uF/10V, 8x12mm

Capacitor, Ceramic,1000pF/50V, 0805, SMD

D1-D4

Diode,Rectifier,1000V/1A,1N4007, DO-41

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived ACT336SH-T Datasheet file may be downloaded here without warranties.

Datasheet ID: ACT336SH-T 522333