Datasheet LT3724 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | High Voltage, Current Mode Switching Regulator Controller |
| Pages / Page | 26 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| File Format / Size | PDF / 322 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING
Model Line for this Datasheet
Text Version of Document
LT3724
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (V TOP VIEW IN) ... 65V to –0.3V Boosted Supply Voltage (BOOST) .. 80V to –0.3V VIN 1 16 BOOST Switch Voltage (SW)(Note 8) .. 65V to –1V NC 2 15 TG Differential Boost Voltage SHDN 3 14 SW (BOOST to SW) .. 24V to –0.3V CSS 4 13 NC 17 Bias Supply Voltage (V BURST_EN 5 12 VCC CC) .. 24V to –0.3V VFB 6 11 PGND SENSE+ and SENSE– Voltages ... 40V to –0.3V VC 7 10 SENSE+ SGND 8 9 SENSE– (SENSE+ to SENSE–) ... 1V to –1V BURST_EN Voltage .. 24V to –0.3V FE PACKAGE 16-LEAD PLASTIC TSSOP VC, VFB, CSS, and SHDN Voltages... 5V to –0.3V TJMAX = 125°C, θJA = 40°C/W, θJC = 10°C/W EXPOSED PAD IS SGND (PIN 17), MUST BE SOLDERED TO PCB CSS and SHDN Pin Currents ...1mA Operating Junction Temperature Range (Notes 2, 3) LT3724E ... –40°C to 125°C LT3724I .. –40°C to 125°C LT3724MP.. –55°C to 125°C Storage Temperature .. –65°C to 150°C Lead Temperature (Soldering, 10 sec) .. 300°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3724EFE#PBF LT3724EFE#TRPBF 3724EFE 16-Lead Plastic TSSOP –40°C to 125°C LT3724IFE#PBF LT3724IFE#TRPBF 3724IFE 16-Lead Plastic TSSOP –40°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3724MPFE LT3724MPFE#TR 3724MPFE 16-Lead Plastic TSSOP –55°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 20V, VCC = BOOST = BURST_EN = 10V, SHDN = 2V, SENSE– = SENSE+ = 10V, SGND = PGND = SW = 0V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Operating Voltage Range (Note 4) l 4 60 V Minimum Start Voltage l 7.5 V UVLO Threshold (Falling) l 3.65 3.8 3.95 V UVLO Threshold Hysteresis 670 mV IVIN VIN Supply Current VCC > 9V 20 µA VIN Burst Mode Current VBURST_EN = 0V, VFB = 1.35V 20 µA VIN Shutdown Current VSHDN = 0V 10 15 µA 3724fd 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (V TOP VIEW IN) ... 65V to –0.3V Boosted Supply Voltage (BOOST) .. 80V to –0.3V VIN 1 16 BOOST Switch Voltage (SW)(Note 8) .. 65V to –1V NC 2 15 TG Differential Boost Voltage SHDN 3 14 SW (BOOST to SW) .. 24V to –0.3V CSS 4 13 NC 17 Bias Supply Voltage (V BURST_EN 5 12 VCC CC) .. 24V to –0.3V VFB 6 11 PGND SENSE+ and SENSE– Voltages ... 40V to –0.3V VC 7 10 SENSE+ SGND 8 9 SENSE– (SENSE+ to SENSE–) ... 1V to –1V BURST_EN Voltage .. 24V to –0.3V FE PACKAGE 16-LEAD PLASTIC TSSOP VC, VFB, CSS, and SHDN Voltages... 5V to –0.3V TJMAX = 125°C, θJA = 40°C/W, θJC = 10°C/W EXPOSED PAD IS SGND (PIN 17), MUST BE SOLDERED TO PCB CSS and SHDN Pin Currents ...1mA Operating Junction Temperature Range (Notes 2, 3) LT3724E ... –40°C to 125°C LT3724I .. –40°C to 125°C LT3724MP.. –55°C to 125°C Storage Temperature .. –65°C to 150°C Lead Temperature (Soldering, 10 sec) .. 300°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3724EFE#PBF LT3724EFE#TRPBF 3724EFE 16-Lead Plastic TSSOP –40°C to 125°C LT3724IFE#PBF LT3724IFE#TRPBF 3724IFE 16-Lead Plastic TSSOP –40°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3724MPFE LT3724MPFE#TR 3724MPFE 16-Lead Plastic TSSOP –55°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 20V, VCC = BOOST = BURST_EN = 10V, SHDN = 2V, SENSE– = SENSE+ = 10V, SGND = PGND = SW = 0V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Operating Voltage Range (Note 4) l 4 60 V Minimum Start Voltage l 7.5 V UVLO Threshold (Falling) l 3.65 3.8 3.95 V UVLO Threshold Hysteresis 670 mV IVIN VIN Supply Current VCC > 9V 20 µA VIN Burst Mode Current VBURST_EN = 0V, VFB = 1.35V 20 µA VIN Shutdown Current VSHDN = 0V 10 15 µA 3724fd 2
