Datasheet LTC3499, LTC3499B (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 750mA Synchronous Step-Up DC/DC Converters with Reverse-Battery Protection |
| 页数 / 页 | 16 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION … |
| 文件格式/大小 | PDF / 252 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING
该数据表的模型线
文件文字版本
LTC3499/LTC3499B
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN to GND ... – 7V to 7V FB, SS to GND ... – 0.3V to 7V VOUT to GND .. – 0.3V to 7V Operating Temperature Range SW to VOUT ... – 7V to 1V (Notes 3, 4) ... –40°C to 85°C SW to GND Storage Temperature Range ... –65°C to 125°C DC ... –7V to 7V Lead Temperature (Soldering, 10 sec) Pulsed < 100ns ... –7V to 8V MSOP .. 300°C SHDN to GND ... – 7V to 7V
PIN CONFIGURATION
TOP VIEW SHDN 1 8 VC TOP VIEW V SHDN 1 8 VC IN 2 7 FB 9 VIN 2 7 FB SW 3 6 VOUT SW 3 6 VOUT GND 4 5 SS GND 4 5 SS MS8 PACKAGE 8-LEAD PLASTIC MSOP DD PACKAGE 8-LEAD (3mm × 3mm) PLASTIC DFN T JMAX = 125°C, θJA = 160°C/W TJMAX = 125°C, θJA = 45°C EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3499EDD#PBF LTC3499EDD#TRPBF LBRB 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3499BEDD#PBF LTC3499BEDD#TRPBF LCDZ 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3499EMS8#PBF LTC3499EMS8#TRPBF LTBRC 8-Lead Plastic MSOP –40°C to 85°C LTC3499BEMS8#PBF LTC3499BEMS8#TRPBF LTCFB 8-Lead Plastic MSOP –40°C to 85°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 specifications that apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 2.4V, VOUT = 5V, SHDN = 2.4V, TA = TJ unless otherwise noted. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Supply
VIN Minimum Start-Up Voltage l 1.6 1.8 V VOUT Output Voltage Adjust Range l 2 6 V VFB FB Voltage l 1.195 1.220 1.245 V 3499fc 2
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN to GND ... – 7V to 7V FB, SS to GND ... – 0.3V to 7V VOUT to GND .. – 0.3V to 7V Operating Temperature Range SW to VOUT ... – 7V to 1V (Notes 3, 4) ... –40°C to 85°C SW to GND Storage Temperature Range ... –65°C to 125°C DC ... –7V to 7V Lead Temperature (Soldering, 10 sec) Pulsed < 100ns ... –7V to 8V MSOP .. 300°C SHDN to GND ... – 7V to 7V
PIN CONFIGURATION
TOP VIEW SHDN 1 8 VC TOP VIEW V SHDN 1 8 VC IN 2 7 FB 9 VIN 2 7 FB SW 3 6 VOUT SW 3 6 VOUT GND 4 5 SS GND 4 5 SS MS8 PACKAGE 8-LEAD PLASTIC MSOP DD PACKAGE 8-LEAD (3mm × 3mm) PLASTIC DFN T JMAX = 125°C, θJA = 160°C/W TJMAX = 125°C, θJA = 45°C EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3499EDD#PBF LTC3499EDD#TRPBF LBRB 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3499BEDD#PBF LTC3499BEDD#TRPBF LCDZ 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3499EMS8#PBF LTC3499EMS8#TRPBF LTBRC 8-Lead Plastic MSOP –40°C to 85°C LTC3499BEMS8#PBF LTC3499BEMS8#TRPBF LTCFB 8-Lead Plastic MSOP –40°C to 85°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 specifications that apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 2.4V, VOUT = 5V, SHDN = 2.4V, TA = TJ unless otherwise noted. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Supply
VIN Minimum Start-Up Voltage l 1.6 1.8 V VOUT Output Voltage Adjust Range l 2 6 V VFB FB Voltage l 1.195 1.220 1.245 V 3499fc 2