CUS04 TOSHIBA Schottky Barrier Rectifier Schottky Barrier Type CUS04 Switching Mode Power Supply Applications Portable Equipment Battery Application • Forward voltage: VFM = 0.58 V@IF = 0.7 A • Average forward current: IF (AV) = 0.7A Unit: mm • Repetitive peak reverse voltage: VRRM = 60 V • Suitable for compact assembly due to small surface-mount package “US−FLATTM” (Toshiba package name) Absolute Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Repetitive peak reverse voltage VRRM 60 V Average forward current IF (AV) 0.7 (Note 1) A Peak one cycle surge forward current Junction temperature Storage temperature range Note 1: Ta = 27°C: IFSM 20 (50 Hz) A Tj −40 to 150 °C Tstg −40 to 150 °C Device mounted on a glass-epoxy board Board size: 50 mm × 50 mm, Land size: 6 mm × 6 mm Rectangular waveform (α = 180°), VR = 30 V JEDEC ― JEITA TOSHIBA 3-2B1A Weight: 0.004 g (typ.) Note 2: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook (“Handling Precautions”/Derating Concept and Methods) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). Electrical Characteristics (Ta = 25°C) Characteristics Peak forward voltage Repetitive peak reverse current Junction capacitance Thermal resistance (junction to ambient) Thermal resistance (junction to lead) Symbol Test Condition Min Typ. Max VFM (1) IFM = 0.1 A ― 0.40 ― VFM (2) IFM = 0.7 A ― 0.55 0.58 IRRM (1) VRRM = 5 V ― 0.3 ― IRRM (2) VRRM = 60 V ― 3.0 100 Cj Rth (j-a) Rth (j-ℓ) VR = 10 V, f = 1.0 MHz ― 38 ― Device mounted on a ceramic board (board size: 50 mm × 50 mm) (soldering land: 2 mm × 2 mm) (board thickness: 0.64 t) ― ― 75 Device mounted on a glass-epoxy board (board size: 50 mm × 50 mm) (soldering land: 6 mm × 6 mm) (board thickness: 1.6 t) ― ― 150 Junction to lead of cathode side ― ― 30 1 Unit V μA pF °C/W °C/W 2006-11-13 CUS04 Marking Abbreviation Code Part No. 4 CUS04 Standard Soldering Pad Unit: mm 2.0 0.5 0.8 0.8 1.1 Handling Precaution 1) Schottky barrier diodes have reverse current characteristics compared to other diodes. There is a possibility SBD may cause thermal runaway when it is used under high temperature or high voltage. Please take forward and reverse loss into consideration during design. 2) The absolute maximum ratings denote the absolute maximum ratings, which are rated values and must not be exceeded during operation, even for an instant. The following are the general derating methods that we recommend when you design a circuit with a device. VRRM: Use this rating with reference to (1) above. VRRM has a temperature coefficient of 0.1%/°C. Take this temperature coefficient into account designing a device at low temperature. IF (AV): We recommend that the worst case current be no greater than 80% of the absolute maximum rating of IF (AV) and Tj be below 120°C. When using this device, take the margin into consideration by using an allowable Tamax-IF (AV) curve. IFSM: This rating specifies the non-repetitive peak current. This is only applied for an abnormal operation, which seldom occurs during the lifespan of the device. Tj: Please derate this rating when using a device in order to ensure high reliability. We recommend that the device be used at a Tj of below 120°C. 3) Thermal resistance between junction and ambient fluctuates depending on the device’s mounting condition. When using a device, design a circuit board and a soldering land size to match the appropriate thermal resistance value. 4) Please refer to the Rectifiers databook for further information. 2 2006-11-13 CUS04 iF – vF PF (AV) – IF (AV) 10 0.6 Average forward power dissipation PF (AV) (W) Tj = 150°C 1 100°C 75°C 0.1 25°C 180° 0.4 120° 0.3 α = 60° Rectangular waveform 0.2 0° α 360° 0.1 Conduction angle: α 0.01 0.0 0.2 0.4 0.6 0.8 Instantaneous forward voltage vF 1.0 0 0.0 1.2 0.2 80 α = 60° 60 Rectangular waveform 40 0° α 360° 20 0 0.0 180° DC Conduction angle: α VR = 30 V 0.2 0.4 0.6 Average forward current 0.8 1.0 IF (AV) (A) 160 Maximum allowable ambient temperature Ta max (°C) 100 IF (AV) Maximum allowable ambient temperature Ta max (°C) 120 120° 140 80 DC Rectangular waveform 60 40 20 α = 60° 0.2 120° 0.4 Transient thermal impedance rth (j-a) (°C/W) 0° α 360° 20 0 0.0 DC Rectangular waveform IF (AV) Maximum allowable lead temperature Tℓ max (°C) 100 40 Conduction angle: α VR = 30 V 0.2 0.4 0.6 Average forward current 0.6 Conduction angle: α VR = 30 V 0.8 1.0 IF (AV) (A) 1.2 rth (j-a) – t 120 60 0° α 360° 180° Average forward current 140 180° (A) 100 10000 120° IF (AV) 1.2 120 Tℓ max – IF (AV) α = 60° 1.0 Device mounted on a glass-epoxy board (board size: 50 mm × 50 mm, land size: 6 mm × 6 mm) 0 0.0 1.2 160 80 0.8 Ta max – IF (AV) Device mounted on a ceramic board (board size: 50 mm × 50 mm, land size: 2 mm × 2 mm) 140 0.6 Average forward current (V) Ta max – IF (AV) 160 0.4 IF (AV) Instantaneous forward current iF (A) DC 0.5 0.8 1.0 IF (AV) (A) 1000 (1) Device mounted on a ceramic board Soldering land: 2.0 mm × 2.0 mm (2) Device mounted on a glass-epoxy board Soldering land: 6.0 mm × 6.0 mm (3) Device mounted on a glass-epoxy board Standard soldering pad (3) (2) 10 1 0.001 1.2 (1) 100 0.01 0.1 1 10 100 1000 Time t (s) 3 2006-11-13 CUS04 Surge forward current (non-repetitive) Cj – VR Ta = 25°C Ta = 25°C f = 50 Hz f = 1 MHz Cj (pF) 20 16 12 8 4 0 1 10 100 10 1 100 10 IR – Tj (typ.) Average reverse power dissipation PR (AV) (W) Pulse test (mA) VR = 60 V 50 V 40 V 1 30 V 0.1 20 V 0.01 10 V 5V 0.001 0.0001 0 20 40 60 80 100 Junction temperature Tj 120 140 VR (V) PR (AV) – VR 0.8 100 10 100 Reverse voltage Number of cycles Reverse current IR (typ.) 1000 Junction capacitance Peak surge forward current IFSM (A) 24 0.7 0.6 0.5 (°C) 0° α 360° DC Conduction angle: α Tj = 150°C 300° 240° 0.4 180° 0.3 120° 60° 0.2 0.1 0.0 0 160 10 20 30 Reverse voltage 4 (typ.) Rectangular waveform 40 VR 50 60 (V) 2006-11-13 CUS04 RESTRICTIONS ON PRODUCT USE 20070701-EN • The information contained herein is subject to change without notice. • TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc. • The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his document shall be made at the customer’s own risk. • The products described in this document shall not be used or embedded to any downstream products of which manufacture, use and/or sale are prohibited under any applicable laws and regulations. • The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patents or other rights of TOSHIBA or the third parties. • Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations. 5 2006-11-13