mm1529 Mitsumi Electronics, Corp., mm1529 Datasheet

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... AC adaptors (cell phones, movies, PDA, note PCs, and more) 2. Chargers (cell phones, movies, PDA, note PCs, and more) Pin Connetion Diagram SOP - 8D Secondary-side Control for Energy-saving AC Adaptors MM1529 60µA 1.7mA 1.250V±25mV PO1 1 PO2 2 GND ...

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... MITSUMI MITSUMI Block Diagram PC2 PC1 PO2 PO1 GND Secondary-side Control for Energy-saving AC Adaptors MM1529 Load detection resistor CNT OUT Input/output error control (0.2V) Reference voltage drop ROS1 REF 5 C OUT Voltage drop detection (1 ...

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... Connects to PNP power transistor base. CNT 7 +Power supply pin. Doubles as load detection pin. Connects load detection resistor to OUT pin 8 V and connects PNP power CC transistor emitter. Secondary-side Control for Energy-saving AC Adaptors MM1529 Function 1 resistor to the OS 2 resistor 2)} 1. Internal equivalent circuit 1 2 ...

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... Electrical Characteristics Item Current consumption 1 (energy-saving mode) Current consumption 2 (normal mode) Voltage control Output inversion voltage REF input voltage Power supply voltage removal P01 output inflow current Secondary-side Control for Energy-saving AC Adaptors MM1529 (Ta=25°C) Symbol T STG T OPR V max 300 (Alone) ...

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... CNT output inflow current OUT input current Load detection Load detection voltage Energy-saving detection voltage (load detection release voltage) Voltage drop detection PO2 output inflow current Secondary-side Control for Energy-saving AC Adaptors MM1529 Test Conditions V =4.7V R OUT V V =1.2V R CS1 REF ...

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... Load connection Load detection data transmission photocoupler PC2 1. Description of Blocks (1) Input/output error control (2) Load connection detection (3) Voltage drop detection (4) Rated current control (5) Rated voltage control Secondary-side Control for Energy-saving AC Adaptors MM1529 Load current 4.7kΩ OUT Supply transistor Voltage drop ...

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... MITSUMI 2. Mode Settings AC adaptors using MM1529 have the following four mode controls. Mode switching design is explained below. (PO1:Control) (PO2:Open) Energy-saving mode Energy-saving detection Load Detection (load detection release) ( VLSP2/R S)-IOS VLSP1/R S)-IOS* L VCS2/RCS (1) Load detection/Energy-saving detection (R Load detection current and energy-saving detection current can be set by load detection resistor R used at 4.7kΩ ...

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... Output voltage = {1 + (R0S1/R0S2)} Relationship between R0S1 and R0S2 output voltage detection resistance 100 10 1 100 Secondary-side Control for Energy-saving AC Adaptors MM1529 and detection value 0.22Ω RCS rated current detection resistance (Ω) Graph 2 1.25 and current 5V Output 10V Output ROS1 + ROS2 resistance value (kΩ ...

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... CNT pin Energy-saving Detection (load detection release) Load current 0mA 5V Vcc pin Out pin 0V PO2 pin CNT pin Secondary-side Control for Energy-saving AC Adaptors MM1529 Load detection current=( VLSP1/R Energy-saving detection current=( VLSP2/R 5.2V VLSP1 (0.2V) OPEN Low Control OPEN Load current decrease Detection current=( VLSP1/R Energy-saving detection current=( 5 ...

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... MITSUMI Application Circuit F1 1.5A/125V L1 AC100V SA1 D1 Secondary-side Control for Energy-saving AC Adaptors MM1529 6 220 4700 470 C4 R6 PH1 PH2 2200p L2 OUTPUT 2.7k R15 Q4 DC4.9V 520mA MM1529 220 R11 0.22µ C8 0.22±1% R12 150p C10 ...

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... Temperature(˚C) Current consumption 2 temperature response (V 2000 1800 1600 1400 1200 1000 800 600 400 200 0 -50 -25 0 Temperature(˚C) Secondary-side Control for Energy-saving AC Adaptors MM1529 PO2 pin current characteristics = 1. 3.5 4 4.5 5 Reference voltage - current voltage characteristics ...