AM40502D-1. Primary Side Feedback PFM Converter AM40502D-1 D V1A. Adapter Application Note. POWER MOS Microelectronics LTD.

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1 Primary Side Feedback PFM Converter D V1A Adapter Application Note June 23 th, 2016

2 IC Features PSR / CV control mode Internal integration NPN triode Current limit it protection ti Over temperature protection Overvoltage protection Open and short circuit protection The maximum output power of up to 5W Using TO-126 package

3 IC BLOCK DIAGRAM

4 IC PIN Package The pin map is shown as below for TO126 PMS D80426 XXXX Pin No. Name Description 1 VCC Power supply 2 C Collector of a triode 3 GND Ground XXXX: product batch

5 Demo Application Diagram CY1 X- Capacitor decide by customer s requirement.

6 Design Reference (5V- 1A) Input Voltage: AC V Output Voltage:DC 5V Output Current: 1A Size:46mm*25mm*15mm PCB Gerber File Top View Bottom View

7 Test report -D V1A Test report No. V IN (VAC) V OUT (V) I OUT (ma) PF P OUT (W) P IN (W) Eff.(%) Average Eff.(% ) Range % % 1# % % 72.42% V % % % % 2# % % 71.72% V % % % % 3# % % 72.52% V % %

8 D V1A Adaptor BOM NO. Symbol Description Qty Unit Place 1 Wound wire Resistor 10Ω 1WS 1 PCS F1 2 SMD Resistor 1MΩ 1206±5% 1 PCS R1 3 SMD Resistor 100KΩ 0805±5% 1 PCS R2 4 SMD Resistor 220Ω 0805±5% 1 PCS R3 5 SMD Diode F7/SOD-123FL 1 PCS D4 6 SMD Diode A7/SOD-123FL 1 PCS D2 7 Diode SR240/DO-15 1 PCS D3 8 Zener Diode 6.8V/SOD-80 1 PCS ZD1 9 Bridge MB10S 1 PCS DB1 10 ELE Capacitor 4.7uF/400V 8* % 10% 2000hours 1 PCS C1 11 ELE Capacitor 4.7uF/50V 4* % 2000hours 1 PCS C2 12 ELE Capacitor 470uF/10V 6.3* %, high frequency low resistance 5000hours 1 PCS C3 13 SMD ceramic capacitors 102/500V 1206±20% 1 PCS C4 14 IC D80426 TO-126 () 1 PCS U1 15 Transformer EE13, horizontal ontal type PCS T1 16 USB USB socket / short body 1 PCS USB1 17 Single side PCB 46mm*25.5mm*1mm, CEM1 1 PCS

9 Frame: EE13, horizontal, 5+5 Transformer Winding Method: Winding Begin Pin End Pin Wire diameter Turns N3 winding N mm*1P 135T close in the middle N mm*1P 12T N mm1P 12T Magnetic core EE-13 PC40 Frame Horizontal type 5+5, cut off Pin Inductance L:1.8mH-2.3mH, tested frequency is 1KHz between Pin 1 2 Leakage inductance 150uH MAX Short N2,N3 test between Pin 1 and Pin 2 frequency is 10KHz

10 Major Comparison for D80426 and RCC D80426 () RCC Efficiency 72% 64% More Protection OTP, OVP, O/S protect Without Output Current 1A 800mA Less components 16 pcs 30 pcs

11 Comparison for D80426 and RCC Package D80426 RCC(13003)

12 Comparison for D80426 and RCC Demo D80426( ) RCC

13 Comparison for D80426 and RCC Test D80426 () RCC Input voltage Without loading voltage 175V ac 5.37V Input Power I/O Vout Efficiency Average Efficiency 1.86W 0.25A 5.25V 69.80% Without loading voltage Input Power I/O Vout Efficiency Average Efficiency A % 3.50W 0.5A 5.20V 74.20% A % 5.13W 0.75A 5.19V 75.80% 74.00% 5.19V A % 6.75W 1A 5.16V 76.40% 1.91W 0.25A 5.23V 68.60% A % 3.52W 0.5A 5.18V 73.50% A % 67.10% 220V ac 536V 5.36V 5.12W 0.75A 5.16V 75.50% 50% 73.50% 518V 5.18V 64.30% A % 6.74W 1A 5.15V 76.40% 1.95W 0.25A 5.23V 67.00% A % 3.57W 0.5A 5.17V 72.40% A % 264V ac 5.35V 5.17W 0.75A 5.14V 74.50% 72.40% 5.17V A % 62.90% 6.77W 1A 5.13V 75.70%

14 Comparison for D80426 and RCC BOM D80426() Solution RCC Solution NO. Place Symbol Description Qty Qty Place Symbol Description (PCS) (PCS) 1 F1 Wound wire Resistor 10Ω 1WS 1 TR1 Carbon film resistor 10Ω 士 5%1/2W 1 2 R1 SMD Resistor 1MΩ 1206±5% 1 R1 Metal film resitor 2MΩ 士 5% R2 SMD Resistor 100KΩ 0805±5% 1 R3 SMD Resitor 1K 士 5% R3 SMD Resistor 220Ω 0805±5% 1 R4 SMD Resitor 510Ω 士 5% D4 SMD Diode F7/SOD-123FL 1 R5 SMD Resitor 20Ω 士 5% D2 SMD Diode A7/SOD-123FL 1 R6 SMD Resitor 3.9Ω 士 5% D3 Diode SR240/DO-15 1 R7 SMD Resitor 150Ω 士 5% ZD1 Zener Diode 6.8V/SOD-80 1 R12 SMD Resitor 2.87K 士 1% DB1 Bridge MB10S 1 R13 SMD Resitor 2.7K 士 1% C1 ELE Capacitor 4.7UF/400V 8* % 1 Q1 Triode Transistor RCC 1 11 C2 ELE Capacitor 4.7uF/50V 4* % 1 Q2 Triode Transistor C3 ELE Capacitor 470uF/10V 6.3* %, 1 U1 Optocoupler JC C4 SMD ceramic capacitors 102/500V 1206±20% 1 U2 Regulator D U1 IC D C6 SMD Capacitor 104P50V 1 15 T1 Transformer EE13, vertical C3 Polyester capacitor 2A223J 1 16 USB1 USB USB socket / short body 1 D5 Diode FR R2 SMD Resitor 100K 士 5% C2 Ceramic capacitors 102P1KV 1 19 Y1 Ceramic capacitors 102/1000V 1 20 C4 ELE Capacitor 22UF/25V 1 21 C1 ELE Capacitor 2.2UF/400V D1 Diode 1N D6 Diode 1N T1 Transformer EE-13 / vertical C5 ELE Capacitor 470UF/16V 1 26 D7 Diode 1N R11 SMD Resitor 1KΩ 士 5% R8 SMD Resitor 1KΩ 士 5% LED LED Φ3 Red 1 30 USB USB USB socket / short body 1 31 Total 16 Total 30

15 Q & A Thank You!