BP5729

Data Sheet 100-230VAC Input/24W Output Isolated AC/DC Converter BP5729 Absolute Maximum Ratings Parameter 12-Pin input voltage 12-Pin input current 10-Pin input voltage 7-Pin input voltage 6-Pin input voltage 6-Pin input current 1-Pin input current Maximum power Withstanding voltage Allowable maximum surface temperature Operating temperature range Storage temperature range Symbol VD ID VH VCC Vzcd Isozcd Isizcd Ipc Po VI Tcmax Topr Tstg Limits 720 1 400 30 9.2 −2.0 +3.0 10 24 12 2.5 105 −25 to +80 −30 to +105 Unit V Apk V V V mA mA mA W W kV °C °C °C Conditions Dimensions (Unit : mm) 37.4MAX. 9.3MAX. MARKING SIDE 24.3MAX. MARKING SIDE 4.0±1.0 123 P=2.54±0.2 6 7 8 0.5±0.1 1.3±0.2 10 12 0.25±0.05 2.25MAX. 7.05MAX. 3.25MAX. DC248 to DC372V DC120 to DC372V 1s (primary - secondary) Ambient temperature + The module self-heating Tcmax 2.54X11=27.94TYP. Derating Curve 27 24 Output Power (W) 21 18 15 12 9 6 3 0 -30-20-10 0 10 20 30 40 50 60 70 80 90 100 Ambient Current Ta(°C) Vi=120V to 248V Vi=248V to 372V Electrical Characteristics (Unless otherwise noted, Vi=311V, rated load Ta=25°C) Parameter Output voltage Output current Line regulation Load regulation Output ripple voltage Power conversion efficiency ∗ Pulse noise is not included. Symbol Vo Io Vr VI Vp η Min. 11.4 0 − − − 82 Typ. 12.0 − 13 20 0.16 90 C8 Max. 12.6 2000 200 200 0.5 − Unit V mA mV mV Vp-p % Switching Frequency fsw (kHz) Conditions Io=2000mA Refer to derating curve Vi=120 to 372V DC Io=1000mA Io=50 to 2000mA ∗ Io=2000mA Switching Freguency 120 100 80 60 40 Burst Switching (Ta=25°C) Burst Switching Vi = 311V Vi = 141V Sample Application Circuit Be sure to use fuse for safety. D3 + R3 R4 F1 ZNR FL1 C1 C2 D4 R2 C5 D2 C7 20 0 0 200 400 600 800 1000 1200 1400 1600 1800 2000 + C3 C6 D1 + C4 R1 T1 Output Current Io(mA) Pin No. 1 Name PC Vo GND ZCD Vcc Vi(-) VH VD Function This is the secondary side opto-coupler current control terminal. This is the secondary side output voltage control terminal. Insert the output smoothing capacitor between GND. This is the GND terminal for the secondary side. This is the zero current control terminal. This is the internal circuit power supply terminal. This is the primary side input minus terminal. This is the start teminal. This is the built-in FET of drain terminal. The primary coil minus side of the external transformer, and the snubber circuit for noise reduction are connected to this. Conversion Efficiency Conversion Efficiency η (%) 100 90 80 70 60 50 40 30 20 10 0 0 200 400 600 800 1000 1200 1400 1600 1800 2000 (Ta=25°C) Vi = 141V Vi = 311V 12 10 8 7 6 3 2 1 2 3 6 7 8 10 12 Output Current Io (mA) BP5729 Output Voltage Vo(V) External Components Specifications C1,C2: Noise reduction capacitors Input smoothing capacitor C3: Vcc smoothing capacitor C4: Noise reduction capacitor C5: Quasi-resonance capacitor C6: Output smoothing capacitor C7: C8: D1: D2: D3: D4: R1: R2: R3: R4: T1: F1: FL1: ZNR: Noise reduction capacitor Rectifier diode Rectifier diode Rectifier diode Diode bridge Resistor Resistor Output voltage setting resistor Resistor Switching transformer Fuse AC line filter Varistor Load Regulation 14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 Maximum Maximum Io=2000mA Io=1000mA (Vi=120 to 248V) (Vi=248 to 372V) Surface Temperature Increase∆ T(°C) Limiting element voltage AC250V or higher, 0.1 to 0.22µF 33µF / 450V General purpose type 10µF / 50V Low impedance type 2200pF / 630V Use if necessary 1000µF / 35V x 2 Low impedance type Rated ripple current 4.5Arms or higher ESR 18mΩ or below 2200pF / AC250V FRD 200V / 0.5A 800V / 0.5A 60V / 20A 800V / 1A 47kΩ ±1% 0.1W 100kΩ ±5% 3W Limiting element voltage 300V or higher 68kΩ ±1% 0.1W 910Ω ±1% 0.1W Be sure to use this for safety A varistor is required to protect against lightning surges and static electricity. (Ta=25°C) Vi = 141V Vi = 311V 0 500 1000 1500 2000 2500 3000 3500 4000 Output Current Io (mA) Surface Temperature Increase 40 35 30 25 20 15 10 5 0 0 200 400 600 800 1000 1200 1400 1600 1800 2000 (Ta=25°C) Vi = 141V Usage Precautions This product has built-in over current (reset type) and over voltage (latch type) protection functions to prevent destruction due to surges. Discontinue operation if protection circuits are continuously active. Vi = 311V Output Current Io (mA) www.rohm.com ©2010 ROHM Co., Ltd. All rights reserved. 1/1 2010.01 - Rev.A Notice Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). 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