M71203B-4 D8078C-12W 150mA Application Notepowermos.com/Uploads/download/application/Bubl lamp...PMS POWERPOWER MOS Electronics LTD. MOS Microelectronics LTD. M71203B-4 Non-i l t d

PMSPOWER MOS Microelectronics LTD.POWER MOS Electronics LTD. M71203B-4

N i l t d I t l MOSFET ICNon-isolated Internal MOSFET IC

M71203B 4 D8078C 12WM71203B-4 D8078C-12W

B lb l A li ti N tBulb lamp Application Note

April, 6th. 2015

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Feature Single stage, with active power factor correct, high PF, low THD

Internal 500V power MOSFET

±3% LED output current precision

Excellent line voltage regulation rate and loading regulation rate

Critical continuous mode of inductor current Critical continuous mode of inductor current

Ultra low (33uA) start-up current

System efficiency of up to 95%

Ultra low (300uA) operating current

LED open circuit / short circuit protection

Open circuit protection for current sampling resistor

Cycle by cycle current limiting

Chip supply over voltage / under voltage protection

Automatic reboot function Automatic reboot function

Overheat regulation function

SOP-7 package

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Internal Structure Diagram

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Pin Configuration Pin Definition

Pin No. Name Description

1 COMP Loop compensation point.

2 GND Ground

D

2 GND Ground.

3 VDD Power supply.

4 ZCD Zero crossing detection, and over-voltage

protection function

D8078C

protection function

5,6 DRAIN Internal power MOSFET Drain drive.

7 ISEN Current sampling pin, connected with the

sampling resistor to ground.

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IC Application Diagram

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Design Reference (80V-150mA) I t V lt AC100V 300V Input Voltage： AC100V-300V

Output Voltage： DC 80V

Output Current： 150mA ＜±5%

PF：＞0.9 @220V (@220V input, full loading)

THD：＜20% @220V (@220V input, full loading)

Efficiency：＞88% (@220V input, full loading)c e cy： 88% (@ 0 pu , u oad g)

Size : 34mm*20 mm*18mm

Design NoteD8078C

Input Voltage Max.Current Max.Power

AC100V-300V 150mA 12W

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Demo Application Diagram (80V-150mA)

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PCB Gerber File

Top View

Bottom View

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PMSPOWER MOS Microelectronics LTD.POWER MOS Electronics LTD.

M71203B-4 D8078C-12W BOM (80V/150mA)

M71203B-4

M71203B-4 D8078C-12W BOM (80V/150mA)NO. Symbol Descrition Qty Unite Place

1 SMD Resitor RES-SMD-0805-2.7Ω-±1%-0.125W 2 Pcs R4.R52 SMD Resitor RES-SMD-0805-5.6K -±1%-0.125W 1 Pcs R6R63 SMD Resitor RES-SMD-1206-15K -±5%-0.25W 1 Pcs R34 SMD Resitor RES-SMD-1206-75K -±5%-0.25W 1 Pcs R85 SMD Resitor RES-SMD-0805-330K -±1%-0.125W 1 Pcs R76 SMD Resitor RES-SMD-1206-360K -±5%-0 25W 2 Pcs R1 R26 SMD Resitor RES-SMD-1206-360K -±5%-0.25W 2 Pcs R1.R27 SMD Capacitor CAP-SMD-0805-X7R-1uF-10%-25V 1 Pcs C38 EL Capactior 10uF/50V 5*11 (5000hrs lifetime) 1 Pcs C29 IC D8078C SOP-7 (M71203B-4) 1 Pcs U1

10 SMD Di d DIO FAS SMA 1A 1000V RS1M 1 P10 SMD Diode DIO-FAS-SMA-1A-1000V-RS1M 1 Pcs D211 SMD Diode DIO-FAS-SMA-1A-1000V-US1M 1 Pcs D312 SMD Bridge MB10S [0.8A1000V] 1 Pcs BD1

13 CBB 【Material CBB22】0.1uF 630V, 7.7*4.6mm, Pitch 10mm 2 Pcs C1 CX110mm C1 CX1

14 ELE Capacitor CAP_ELE-47uF-100V 8X14mm (5000hrs lifetime) 1 Pcs C415 Wound wire resistor 10Ω1Ws 1 Pcs FR116 MOV VAR-Ф7-471V-7D471K 1 Pcs VR1VR119 Drumar Inductor 5mH 6mmx8mm 1 Pcs L120 Transformer EE10 upright 4+4 [Check in drawing] 1 Pcs T121 Single layer PCB board 32.4mm*20mm*1.6mm 1 Pcs

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Drum InductorBobbin: Drum inductorBobbin: Drum inductor

Inductance Parameter1 Inductance（Pin1 Pin2）:L≥ 7mH ±5% (@1Khz)1, Inductance（Pin1-Pin2）:L≥ 7mH, ±5% (@1Khz)2, Winding turn（Pin1-Pin2）: =520Ts Φ0.1mm enameled wire

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TransformerFrame: EE10 Vertical 4+4P Magnetic core : PC30Frame: EE10 Vertical 4+4P Magnetic core : PC30

The pin of the transformer

Transformer Electrical Characteristics

1. Primary side inductance（Pin4-Pin8）:NP= 1.2mH, ±5% (@1Khz)

2. Primary side wingding turn（Pin4-Pin8）:NP=180TsΦ0.18mm enameled wire

3. Cut off Pin 1.2.3.6.7. Keep Pin 5 to fixed transformer

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T t R t

M71203B-4

Test ReportM71203B-4 D8078C-12W 80V/150mA Test Report

AverageNo. VIN(VAC) VOUT(V) IOUT（mA） PF POUT（W） PIN（W） Eff.（%）Average Eff.（%）

Range THD

100 80 0.141 0.913 11.28 13.12 0.8598 44.1 150 80 0.142 0.968 11.36 12.70 0.8945 23.2 180 80 0.143 0.968 11.44 12.70 0.9008 18.5

1# 88.68% 80V220 80 0.142 0.955 11.36 12.73 0.8924 16.6 240 80 0.142 0.942 11.36 12.76 0.8903 16.6 260 80 0.142 0.927 11.36 12.79 0.8882 16.7 300 80 0.142 0.888 11.36 12.88 0.8820 19.1 100 80 0.142 0.912 11.36 13.09 0.8678 44.7

2# 88.99% 80V

150 80 0.143 0.970 11.44 12.68 0.9022 22.7 180 80 0.142 0.971 11.36 12.67 0.8966 18.0 220 80 0.142 0.959 11.36 12.70 0.8945 15.9 240 80 0.142 0.948 11.36 12.72 0.8931 15.8 260 80 0 142 0 935 11 36 12 76 0 8903 15 8260 80 0.142 0.935 11.36 12.76 0.8903 15.8 300 80 0.142 0.898 11.36 12.84 0.8847 16.0 100 80 0.140 0.915 11.20 12.98 0.8629 43.7 150 80 0.140 0.968 11.20 12.58 0.8903 22.5 180 80 0.140 0.970 11.20 12.57 0.8910 18.3

3# 88.28% 80V220 80 0.140 0.956 11.20 12.61 0.8882 16.3 240 80 0.140 0.944 11.20 12.64 0.8861 16.3 260 80 0.140 0.930 11.20 12.67 0.8840 16.3 300 80 0.140 0.891 11.20 12.77 0.8771 16.6

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S 2 5KV (PASS)Surge 2.5KV (PASS)

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EMI T t (PASS)

M71203B-4

EMI Test (PASS)

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EMI T t (PASS)

M71203B-4

EMI Test (PASS)

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Q & A

Th k Y !Thank You!

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Documents

M71203B-4 D8078C-12W 150mA Application Notepowermos.com/Uploads/download/application/Bubl lamp...PMS POWERPOWER MOS Electronics LTD. MOS Microelectronics LTD. M71203B-4 Non-i l t d