LS4148/LS4448/LS914B Taiwan Semiconductor 450mA, 75V Switching Diode FEATURES KEY PARAMETERS Low power loss, high efficiency Ideal for automated placement High surge current capability Compliance to RoHS directive 2011/65/EU and in accordance to WEEE 2002/96/EC Halogen-free according to IEC 61249-2-21 PARAMETER VALUE UNIT IF(AV) 450 mA VRRM 75 V IFSM 2 A VF at IF=100mA 1.00 V TJ MAX 175 C APPLICATIONS Switching mode power supply (SMPS) Adapters Lighting application On-board DC/DC converter Package LS34 Configuration Single dice MECHANICAL DATA Case: QUADRO Mini-MELF(LS34) Packing code with suffix "G" means green compound (halogen-free) Terminal: Matte tin plated leads, solderable per J-STD-002 Polarity: Indicated by cathode band Weight: 0.06 (approximately) ABSOLUTE MAXIMUM RATINGS (TA = 25C unless otherwise noted) PARAMETER Repetitive peak reverse voltage Forward current SYMBOL PART NUMBER UNIT VRRM IF(AV) 75 450 V mA Peak Forward Surge Current IFSM 2 A Junction temperature range TJ -65 ~ 175 C Storage temperature range TSTG -65 ~ 175 C SYMBOL LIMIT UNIT RJA 300 C/W THERMAL PERFORMANCE PARAMETER Junction-to-ambient thermal resistance 1 Version:F1610 LS4148/LS4448/LS914B Taiwan Semiconductor ELECTRICAL SPECIFICATIONS (TA = 25C unless otherwise noted) PARAMETER CONDITIONS SYMBOL TYP MAX -- 0.72 -- 1.0 -- 1.0 ---- 25 nA 5 A 4 F LS4448, LS914B IF = 5.0mA, TJ = 25C Forward voltage per diode LS4148 (1) IF = 10.0mA, TJ = 25C VF LS4448, LS914B IF = 100mA, TJ = 25C VR=20V TJ = 25C Reverse current @ rated VR per diode (2) IR VR=75V TJ = 25C 1 MHz, VR=0V Junction capacitance CJ UNIT V Notes: 1. Pulse test with PW=0.3 ms 2. Pulse test with PW=30 ms ORDERING INFORMATION PART NO. PACKING PACKING CODE CODE SUFFIX LS4148 L0 (Note 1) L1 G PACKAGE QUADRO Mini-MELF PACKING 10K / 13" Reel 2.5K / 7" Reel Notes: 1. Whole series with green compound EXAMPLE EXAMPLE P/N PART NO. PACKING CODE LS4148 L0G LS4148 L0 PACKING CODE SUFFIX G 2 DESCRIPTION Green compound Version:F1610 LS4148/LS4448/LS914B Taiwan Semiconductor CHARACTERISTICS CURVES (TA = 25C unless otherwise noted) Typical Forward Characteristics Reverse Current VS. Reverse Voltage 100 10 TA=25oC Reverse Current (uA) Instantaneous Forward Current (mA) 100 1 0.1 0.01 0.001 TA=25oC 10 1 0.1 0.01 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 0 20 40 Instantaneous Forward Voltage (V) Admissible Power Dissipation Curve 100 120 Typical Junction Capacitance 1.5 600 Junction Capacitance (pF) 500 Power Dissipation (mW) 60 80 Reverse Voltage (V) 400 300 200 100 0 1.2 0.9 0.6 0.3 0.0 0 25 50 75 100 125 150 175 200 0 o Ambient Temperature ( C) 5 10 15 20 25 30 Reverse Voltage (V) 3 Version:F1610 LS4148/LS4448/LS914B Taiwan Semiconductor CHARACTERISTICS CURVES (TA = 25C unless otherwise noted) Forward Resistance VS. Forward Current Dynamic Forward Resistance (Ohm) 10000 1000 100 10 1 0.01 0.1 1 10 100 Forward Current (mA) 4 Version:F1610 LS4148/LS4448/LS914B Taiwan Semiconductor PACKAGE OUTLINE DIMENSION LS34 DIM. Unit(mm) Unit(inch) Min Max Min Max A 3.30 3.70 0.130 0.146 B 1.40 1.60 0.055 0.063 C 0.20 0.45 0.008 0.018 D Typ. 1.80 Typ. 0.071 SUGGEST PAD LAYOUT DIM. 5 Unit(mm) Unit(inch) Typ. Typ. A 1.25 0.049 B 2.00 0.079 C 2.50 0.098 D 5.00 0.197 Version:F1610 LS4148/LS4448/LS914B Taiwan Semiconductor Notice Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, to any intellectual property rights is granted by this document. Except as provided in TSC's terms and conditions of sale for such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify TSC for any damages resulting from such improper use or sale. 6 Version:F1610