Datasheet LTC3766 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | High Efficiency, Secondary-Side Synchronous Forward Controller |
| Pages / Page | 62 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION |
| File Format / Size | PDF / 2.0 Mb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION
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LTC3766
ABSOLUTE MAXIMUM RATINGS (Note 1)
VCC Voltage ...–0.3V to 12V VSEC Voltage .. –0.3V to 3V VIN Voltage ... –0.3V to 33V IPK, SS Voltages ... –0.3V to 4V RUN Voltage... –0.3V to 33V Operating Junction Temperature Range (Notes 2,3) SW LTC3766E, LTC3766I ... –40°C to 125°C Low Impedance Source .. –5V to 40V LTC3766H .. –40°C to 150°C Current Fed .. 2mA DC or 0.2A for <1μs Into Pin* LTC3766MP ... –55°C to 150°C V + – AUX, VS , VS , VSOUT, NDRV Voltages .. –0.3V to 16V Storage Temperature Range .. –65°C to 150°C ITH, I + S , REGSD Voltages .. –0.3V to 6V Lead Temperature (Soldering, 10 sec ) PHASE Voltage ... –0.3V to 6V GN Package ...300°C I – S , SGD, FGD Voltages ...–0.3V to 12V *The LTC3766 contains an internal 50V clamp that limits the voltage on the FS/SYNC, FB, MODE Voltages ...–0.3V to 12V SW pin.
PIN CONFIGURATION
TOP VIEW TOP VIEW SG 1 28 VCC + FG 2 27 PGND V SEC FG SG V CC PGND PT 28 27 26 25 24 23 V 3 26 SEC PT+ MODE 1 22 PT– MODE 4 25 PT– PHASE 2 21 VAUX PHASE 5 24 VAUX FB 3 20 SW FB 6 23 SW ITH 4 29 19 VIN ITH 7 22 VIN GND RUN 5 18 NDRV RUN 8 21 NDRV SS 6 17 FGD SS 9 20 FGD IPK 7 16 SGD I 10 19 + PK SGD VSOUT 8 15 IS V 11 18 + SOUT IS 9 10 11 12 13 14 V + 12 17 – + – – S IS V S V S I S GND V – 13 16 S REGSD REGSD FS/SYNC GND 14 15 FS/SYNC UFD PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN GN PACKAGE T 28-LEAD NARROW PLASTIC SSOP JMAX = 125°C, θJA = 43°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB TJMAX = 125°C, θJA = 95°C/W 3766fc 2 For more information www.linear.com/LTC3766 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Applications Information Typical Applications Typical Applications Typical Applications Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS (Note 1)
VCC Voltage ...–0.3V to 12V VSEC Voltage .. –0.3V to 3V VIN Voltage ... –0.3V to 33V IPK, SS Voltages ... –0.3V to 4V RUN Voltage... –0.3V to 33V Operating Junction Temperature Range (Notes 2,3) SW LTC3766E, LTC3766I ... –40°C to 125°C Low Impedance Source .. –5V to 40V LTC3766H .. –40°C to 150°C Current Fed .. 2mA DC or 0.2A for <1μs Into Pin* LTC3766MP ... –55°C to 150°C V + – AUX, VS , VS , VSOUT, NDRV Voltages .. –0.3V to 16V Storage Temperature Range .. –65°C to 150°C ITH, I + S , REGSD Voltages .. –0.3V to 6V Lead Temperature (Soldering, 10 sec ) PHASE Voltage ... –0.3V to 6V GN Package ...300°C I – S , SGD, FGD Voltages ...–0.3V to 12V *The LTC3766 contains an internal 50V clamp that limits the voltage on the FS/SYNC, FB, MODE Voltages ...–0.3V to 12V SW pin.
PIN CONFIGURATION
TOP VIEW TOP VIEW SG 1 28 VCC + FG 2 27 PGND V SEC FG SG V CC PGND PT 28 27 26 25 24 23 V 3 26 SEC PT+ MODE 1 22 PT– MODE 4 25 PT– PHASE 2 21 VAUX PHASE 5 24 VAUX FB 3 20 SW FB 6 23 SW ITH 4 29 19 VIN ITH 7 22 VIN GND RUN 5 18 NDRV RUN 8 21 NDRV SS 6 17 FGD SS 9 20 FGD IPK 7 16 SGD I 10 19 + PK SGD VSOUT 8 15 IS V 11 18 + SOUT IS 9 10 11 12 13 14 V + 12 17 – + – – S IS V S V S I S GND V – 13 16 S REGSD REGSD FS/SYNC GND 14 15 FS/SYNC UFD PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN GN PACKAGE T 28-LEAD NARROW PLASTIC SSOP JMAX = 125°C, θJA = 43°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB TJMAX = 125°C, θJA = 95°C/W 3766fc 2 For more information www.linear.com/LTC3766 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Applications Information Typical Applications Typical Applications Typical Applications Package Description Revision History Typical Application Related Parts
