Datasheet LTC3527, LTC3527-1 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
| 页数 / 页 | 22 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| 文件格式/大小 | PDF / 373 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING
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文件文字版本
LTC3527/LTC3527-1
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
TOP VIEW VIN, VIN1, VIN2 Voltage ...–0.3V to 6V SW1, SW2 Voltage (DC) .. –0.3V to 6V IN PGOOD1 V GND PGOOD2 (Pulsed < 100ns) ... –0.3V to 7V 16 15 14 13 SHDN1, SHDN2, FB1, FB2 Voltage ...–0.3V to 6V SHDN1 1 12 SHDN2 VOUT1, VOUT2 ..–0.3V to 6V FB1 2 17 11 FB2 MODE, FSEL, PGOOD1, PGOOD2 ... –0.3V to 6V PGND MODE 3 10 FSEL Operating Temperature (Notes 2, 5) ...–40°C to 85°C VIN1 4 9 VIN2 Junction Temperature ... 125°C 5 6 7 8 Storage Temperature Range ...–65°C to 125°C OUT1 SW1 SW2 OUT2 V V UD PACKAGE 16-LEAD (3mm s 3mm) PLASTIC QFN TJMAX = 125°C, θJA = 68°C/W EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3527EUD#PBF LTC3527EUD#TRPBF LDDK 16-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C LTC3527EUD-1#PBF LTC3527EUD-1#TRPBF LCXP 16-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3527EUD LTC3527EUD#TR LDDK 16-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C LTC3527EUD-1 LTC3527EUD-1#TR LCXP 16-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. 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/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, –40°C to 85°C. VIN = VIN1 = VIN2 = 1.2V, VOUT1 = VOUT2 = 3.3V, TA = 25°C, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Start-Up Voltage ILOAD = 1mA 0.7 0.88 V Output Voltage Adjust Range VOUT1 l 1.7 5.25 V VOUT1 1.6 5.25 V VOUT2 l 1.7 5.25 V VOUT2 1.6 5.25 V Line Regulation VIN = 1V to 5V 0.005 %/V Feedback Voltage FB1, FB2 l 1.176 1.20 1.224 V Feedback Input Current FB1, FB2 VFB1,2 = 1.20V 1 50 nA Quiescent Current: Shutdown VSHDN1 = VSHDN2 = 0V, Not Including Switch 0.1 2 μA Leakage, VOUT1 = VOUT2 = 0V Quiescent Current: Burst Mode Operation Measured on VOUT, VFB1 = VFB2 = 1.5V 12 μA Quiescent Current: Active VFB1 = VFB2 > 1.2V (Note 3) 500 900 μA NMOS Switch Leakage Current (LTC3527) VSW1,2 = 5V, SHDN1,2 = 0V 0.1 10 μA 35271fc 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
TOP VIEW VIN, VIN1, VIN2 Voltage ...–0.3V to 6V SW1, SW2 Voltage (DC) .. –0.3V to 6V IN PGOOD1 V GND PGOOD2 (Pulsed < 100ns) ... –0.3V to 7V 16 15 14 13 SHDN1, SHDN2, FB1, FB2 Voltage ...–0.3V to 6V SHDN1 1 12 SHDN2 VOUT1, VOUT2 ..–0.3V to 6V FB1 2 17 11 FB2 MODE, FSEL, PGOOD1, PGOOD2 ... –0.3V to 6V PGND MODE 3 10 FSEL Operating Temperature (Notes 2, 5) ...–40°C to 85°C VIN1 4 9 VIN2 Junction Temperature ... 125°C 5 6 7 8 Storage Temperature Range ...–65°C to 125°C OUT1 SW1 SW2 OUT2 V V UD PACKAGE 16-LEAD (3mm s 3mm) PLASTIC QFN TJMAX = 125°C, θJA = 68°C/W EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3527EUD#PBF LTC3527EUD#TRPBF LDDK 16-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C LTC3527EUD-1#PBF LTC3527EUD-1#TRPBF LCXP 16-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3527EUD LTC3527EUD#TR LDDK 16-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C LTC3527EUD-1 LTC3527EUD-1#TR LCXP 16-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. 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/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, –40°C to 85°C. VIN = VIN1 = VIN2 = 1.2V, VOUT1 = VOUT2 = 3.3V, TA = 25°C, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Start-Up Voltage ILOAD = 1mA 0.7 0.88 V Output Voltage Adjust Range VOUT1 l 1.7 5.25 V VOUT1 1.6 5.25 V VOUT2 l 1.7 5.25 V VOUT2 1.6 5.25 V Line Regulation VIN = 1V to 5V 0.005 %/V Feedback Voltage FB1, FB2 l 1.176 1.20 1.224 V Feedback Input Current FB1, FB2 VFB1,2 = 1.20V 1 50 nA Quiescent Current: Shutdown VSHDN1 = VSHDN2 = 0V, Not Including Switch 0.1 2 μA Leakage, VOUT1 = VOUT2 = 0V Quiescent Current: Burst Mode Operation Measured on VOUT, VFB1 = VFB2 = 1.5V 12 μA Quiescent Current: Active VFB1 = VFB2 > 1.2V (Note 3) 500 900 μA NMOS Switch Leakage Current (LTC3527) VSW1,2 = 5V, SHDN1,2 = 0V 0.1 10 μA 35271fc 2