Datasheet LT3492 (Analog Devices) - 2

LT3492
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN (Note 4) ...40V Operating Junction Temperature Range SW1-SW3, ISN1-ISN3, ISP1-ISP3 ..60V (Note 2) .. –40°C to 125°C TG1-TG3 ...ISP – 10V to ISP Max Junction Temperature .. 125°C PWM1-PWM3 ...20V Storage Temperature Range VREF , CTRL1-CTRL3, FADJ, VC1-VC3, OVP1-OVP3 ..2.5V TSSOP ... –65°C to 150°C SHDN (Note 4) ...VIN UFD .. –65°C to 125°C
PIN CONFIGURATION
TOP VIEW SHDN 1 28 VIN TOP VIEW PWM3 2 27 TG3 IN PWM2 PWM3 SHDN V TG3 ISN3 PWM2 3 26 ISN3 28 27 26 25 24 23 PWM1 4 25 ISP3 PWM1 1 22 ISP3 V 5 24 REF SW3 V 2 REF 21 SW3 CTRL3 6 23 SW2 CTRL3 3 20 SW2 CTRL2 7 22 ISP2 GND CTRL2 4 GND 19 ISP2 CTRL1 8 29 21 ISN2 29 CTRL1 5 18 ISN2 FADJ 9 20 TG2 FADJ 6 17 TG2 V 10 19 C3 SW1 VC3 7 16 SW1 V 11 18 V 8 15 ISP1 C2 ISP1 C2 V 12 17 9 10 11 12 13 14 C1 ISN1 OVP3 13 16 TG1 C1V TG1 OVP3 OVP2 OVP1 ISN1 OVP2 14 15 OVP1 UFD PACKAGE 28-LEAD (4mm s 5mm) PLASTIC QFN FE PACKAGE TJMAX = 125°C, θJA = 34°C/W, θJC = 2.7°C/W 28-LEAD PLASTIC TSSOP EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB TJMAX = 125°C, θJA = 30°C/W, θJC = 10°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3492EFE#PBF LT3492EFE#TRPBF LT3492FE 28-Lead Plastic TSSOP –40°C to 125°C LT3492IFE#PBF LT3492IFE#TRPBF LT3492FE 28-Lead Plastic TSSOP –40°C to 125°C LT3492EUFD#PBF LT3492EUFD#TRPBF 3492 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LT3492IUFD#PBF LT3492IUFD#TRPBF 3492 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. *For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 3492fa 2