Looking for a Seamless UCC27517DBVR Replacement? Meet SL27517 - The Perfect Pin-to-Pin Gate Driver Alternative!

 ✨ VDD: 24V

 ✨ Peak Output Current: 4A

 ✨ Ultra-Low Quiescent Current: 150μA

 ✨ Operating Temp: -40°C to +125°C

 ✨ Compact SOT-23–5 Package

Product Overview
 The SL27517 is a high-speed, single-channel 4A low-side gate driver designed to efficiently and safely drive MOSFETs, IGBTs, and emerging wide-bandgap power devices. Featuring ultra-low propagation delay and housed in a compact SOT-23 package, it supports high-frequency switching for MOSFETs, reaching hundreds of kHz.

Ideal for synchronous rectification in server and communication power supplies, it directly impacts converter efficiency by managing MOSFET dead-time. With a wide VDD supply range (4.5V to 20V), the SL27517 can drive both MOSFETs and GaN power devices effectively. The integrated UVLO protection ensures safe operation, while the independent input pin supports a wide voltage range of -5V to 24V, ensuring stable performance even under transient conditions.

Compatible with TTL input levels, this driver ensures versatility in a wide range of applications, making it the ideal choice for high-performance power management systems.

Key Features

  • Compact 5-pin SOT-23 package for easy integration
  • 4A peak sourcing and sinking current for efficient MOSFET and IGBT drive
  • Wide VDD power supply up to 24V, with recommended operating range between 4.5V to 20V
  • Built-in UVLO protection for added reliability in abnormal conditions
  • Dual-input design for both positive and inverted input configurations; unused input can serve as enable/disable control
  • Supports negative voltage input as low as -5V for versatile usage
  • TTL and CMOS compatible input levels, ensuring easy interface with various logic systems
  • Low propagation delay (<20ns typical) for high-speed switching
  • Output low level when input is floating, ensuring fail-safe operation
  • Operating temperature range from -40°C to 125°C, suitable for harsh environments

Applications

  • Switching Power Supplies for efficient power management
  • Motor Control Systems for precise operation in industrial and automotive sectors
  • AC/DC and DC/DC Converters for stable and efficient power conversion
  • Server and Rectifier Systems for communication equipment
  • EV/HEV Inverters and DC/DC Converters in electric vehicle and hybrid systems
  • Photovoltaic Voltage Rise and Inverters for renewable energy solutions
  • Uninterruptible Power Supplies (UPS) to maintain power during outages
  • Wide-bandgap Power Devices (GaN, SiC) in cutting-edge power electronics

For more alternatives

  • o. Product Name SLKOR Part Number Package Equivalent Brand and Model
  • 1 Driver IC SL27511 SOT-23 UCC27511DBVR (TI)
  • 2 Driver IC SL27517 SOT-23 UCC27517DBVR (TI)
  • 3 Driver IC SL8402 SOT-223 NCV8402 (ON Semiconductor), ZXMS6005DGQ (Diodes), NSE11409-Q1 (NCE)
  • 4 Driver IC SL27523 SOP-8 UCC27523 (TI)
  • 5 Driver IC SL27524 SOP-8 UCC27524 (TI)
  • 6 Driver IC SL27525 SOP-8 UCC27525 (TI)
  • 7 LED Driver SL4139 SOT-23–5 CAT4139 (ON Semiconductor)
  • 8 LED Driver SL401 SOT-23–6 BCR401 (Infineon)
  • 9 Power Electronic Switch SL3405S SOP-8 BTS3405G (Infineon)
  • 10 Linear Voltage Regulator SL4949 SOP-8 L4949E (STMicroelectronics), TLF4949 (Infineon), NCV4949 (ON Semiconductor)
  • 11 Linear Voltage Regulator SL4275 TO-252–5 TLE4275 (Infineon), MP2014 (MPS), BD42754 (ROHM), TLE4275-Q1 (TI), TPS7B87-Q1 (TI)
  • 12 Linear Voltage Regulator SL4275-G TO-263–5 TLE42754G (Infineon), TLE4275-Q1 (TI), NCV4275C (ON Semiconductor), NCV4290 (ON Semiconductor), NCV8675 (ON Semiconductor), NJW4185 (Nisshinbo), BD42754 (ROHM)
  • 13 Linear Voltage Regulator SL4264–2 SOT-223 TLE4264 (Infineon), TPS7B69-Q1 (TI), LM2936Q (TI), NCV8664 (ON Semiconductor), NCV4266–2C (ON Semiconductor)
  • 14 Linear Voltage Regulator SL42744D TO-252–3 TLE42744 (Infineon), NJW4187 (Nisshinbo), NJW4185 (Nisshinbo), NCV7800 (ON Semiconductor), NCV4274 (ON Semiconductor), TL720M05-Q1 (TI)
  • 15 Linear Voltage Regulator SL42764 TO-252–5 TLE42764 (Infineon), TPS7B86-Q1 (TI), NCV4276C (ON Semiconductor), NJW4186 (Nisshinbo)
  • 16 Linear Voltage Regulator SL4284 TO-252–3 TLE4284 (Infineon)
  • 17 Power Management IC SL2044 SOP-8 U2044
  • 18 DC-DC Power Chip SL8366 ESOP-8 TLE8366 (Infineon)
  • 19 Power Management IC SL2044 SOP-8 U2044
  • 20 ADC SL121S101 SOT-23–6 ADC121S101
  • 21 ADC SL101S101 SOT-23–6 ADC101S101
  • 22 ADC SL081S101 SOT-23–6 ADC081S101
  • 23 ADC SL121S051 SOT-23–6 ADC121S051
  • 24 ADC SL101S051 SOT-23–6 ADC101S051
  • 25 ADC SL081S051 SOT-23–6 ADC081S051
  • 26 ADC SL121S021 SOT-23–6 ADC121S021
  • 27 ADC SL101S021 SOT-23–6 ADC101S021
  • 28 ADC SL081S021 SOT-23–6 ADC081S021
  • 29 ADC SL7886 SOT-23–6 ADS7886
  • 30 ADC SL7887 SOT-23–6 ADS7887
  • 31 ADC SL7888 SOT-23–6 ADS7888
  • 32 ADC SL7866 SOT-23–6 ADS7866
  • 33 ADC SL7867 SOT-23–6 ADS7867
  • 34 ADC SL7868 SOT-23–6 ADS7868
  • 35 ADC SLS7476 SOT-23–6 ADCS7476
  • 36 ADC SLS7477 SOT-23–6 ADCS7477
  • 37 ADC SLS7478 SOT-23–6 ADCS7478
  • 38 ADC SL7476 SOT-23–6 AD7476
  • 39 ADC SL7477 SOT-23–6 AD7477
  • 40 ADC SL7478 SOT-23–6 AD7478
  • 41 ADC SL7466 SOT-23–6 AD7466
  • 42 ADC SL7467 SOT-23–6 AD7467
  • 43 ADC SL7468 SOT-23–6 AD7468
  • 44 ADC SL2360 SOT-23–6 LTC2360
  • 45 ADC SL2361 SOT-23–6 LTC2361
  • 46 ADC SL2362 SOT-23–6 LTC2362
  • 47 ADC SL2365 SOT-23–6 LTC2365
  • 48 ADC SL11661 SOT-23–6 MAX11661
  • 49 ADC SL11663 SOT-23–6 MAX11663
  • 50 ADC SL11665 SOT-23–6 MAX11665
  • 51 ADC SL7910 SOT-23–6 AD7910
  • 52 ADC SL7920 SOT-23–6 AD7920
  • 53 Low Voltage, Single-Pole Double-Throw Switch SL3157XC6 SC-70–6 TS5A3157/NC7SB3157/FSA3157/SGM3157
  • 54 Low Voltage, Single-Pole Double-Throw Switch SL3157XT6 SOT-23–6 TS5A3157/NC7SB3157/FSA3157/SGM3157
  • 55 General Comparator SL331S5 SOT-23–5 RS331
  • 56 Level Shifter — Auto-Bidirectional SL0101S6 SOT-23–6 TXS0101/RS0101
  • 57 Level Shifter — Auto-Bidirectional SL0102S8 SOT-23–8 TXS0102/RS0102
  • 58 Logic Gate — AND, NAND 74LVC1G11S6 SOT-23–6 SN74LVC1G11
  • 59 Logic Gate — AND, NAND 74LVC1G10S6 SOT-23–6 SN74LVC1G10
  • 60 Logic Gate — AND, NAND 74LVC1G32S5 SOT-23–5 SN74LVC1G32
  • 61 Logic Gate — OR, NOR 74LVC1G27S6 SOT-23–6 SN74LVC1G27
  • 62 Logic Gate — Buffer 74LVC1G34S5 SOT-23–5 SN74LVC1G34
  • 63 Logic Gate — Buffer 74LVC2G34S6 SOT-23–6 SN74LVC2G34
  • 64 Infrared Thermopile Sensor SL-S-TRS-5.5D1 SMD MLX90632
  • 65 Digital Infrared Thermopile Sensor SL-W-TRS-5.5D1 TO-46 MLX90614BAA/BBA
  • 66 Long Distance Digital Infrared Thermopile Sensor SL-FW-TRS-5.5D1 TO-39 MLX90614BAF/BBF
  • 67 Low Side Driver SL27531 SOT-23–6 UCC27531DBVR
  • 68 Low Side Driver SL27624MS SOP-8 UCC27624DR
  • 69 High/Low Side Driver SL27714 SOP-14 UCC27714
  • 70 High/Low Side Driver SL21814 SOP-14 IR21814/IRS21814
  • 71 High/Low Side Driver SL2110 SOP-16W IR2110S
  • 72 Half-Bridge Driver SL2003 SOP-8 IRS2003S
  • 73 Half-Bridge Driver SL2004 SOP-8 IRS2004
  • 74 Half-Bridge Driver SL2103 SOP-8 IR2103S
  • 75 Synchronous Buck DC-DC SL8205FC SOP-8-EP SY8205FCC
  • 76 CAN Chip SL82C250T SOP-8 PCA82C250T
  • 77 CAN Chip SL65HVD230DR SOP-8 SN65HVD230DR
  • 78 CAN Chip SL65HVD232DR SOP-8 SN65HVD232DR
  • 79 CAN Chip SL65HVD233DR SOP-8 SN65HVD233DR
  • 80 CAN Chip SL65HVD234DR SOP-8 SN65HVD234DR
  • 81 RS232 Transceiver SL3232EESE SOP-16 MAX3232E
  • 82 RS485 Chip SL65HVD08DR SOP-8 SN65HVD08DR
  • 83 RS485 Chip SL3088EESA SOP-8 MAX3088E
  • 84 RS422 Chip SL3490EESA SOP-8 MAX3490E
  • 85 Operational Amplifier SL9062C SOP-8 TI TLV9062
  • 86 Operational Amplifier SL9062D SOT-23–8L TI TLV9062
  • 87 Operational Amplifier SL2122C SOP-8 NJM2122
  • 88 Display Power Management SL6802 DFN12 BV6802 (BOFA)
  • 89 Gate Driver Isolation SL5350SDR SOP-8 UCC5350
  • 90 Gate Driver Isolation SL5350MDR SOP-8 UCC5350
  • For inquiries please reach out: sales03@slkormicro.com

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