Datasheet LT1766, LT1766-5 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 5.5V to 60V 1.5A, 200kHz Step-Down Switching Regulator |
| 页数 / 页 | 30 / 3 — ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING. PACKAGE … |
| 文件格式/大小 | PDF / 291 Kb |
| 文件语言 | 英语 |
ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING. PACKAGE DESCRIPTION. TEMPERATURE RANGE. LEAD BASED FINISH
该数据表的模型线
文件文字版本
LT1766/LT1766-5
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1766EFE#PBF LT1766EFE#TRPBF 1766EFE 16-Lead Plastic TSSOP 0°C to 125°C LT1766IFE#PBF LT1766IFE#TRPBF 1766IFE 16-Lead Plastic TSSOP –40°C to 125°C LT1766HFE#PBF LT1766HFE#TRPBF 1766HFE 16-Lead Plastic TSSOP –40°C to 140°C LT1766EFE-5#PBF LT1766EFE-5#TRPBF 1766EFE-5 16-Lead Plastic TSSOP 0°C to 125°C LT1766IFE-5#PBF LT1766IFE-5#TRPBF 1766IFE-5 16-Lead Plastic TSSOP –40°C to 125°C LT1766EGN#PBF LT1766EGN#TRPBF 1766 16-Lead Plastic SSOP 0°C to 125°C LT1766IGN#PBF LT1766IGN#TRPBF 1766I 16-Lead Plastic SSOP –40°C to 125°C LT1766EGN-5#PBF LT1766EGN-5#TRPBF 17665 16-Lead Plastic SSOP 0°C to 125°C LT1766IGN-5#PBF LT1766IGN-5#TRPBF 1766I5 16-Lead Plastic SSOP –40°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1766EFE LT1766EFE#TR 1766EFE 16-Lead Plastic TSSOP 0°C to 125°C LT1766IFE LT1766IFE#TR 1766IFE 16-Lead Plastic TSSOP –40°C to 85°C LT1766HFE LT1766HFE#TR 1766HFE 16-Lead Plastic TSSOP –40°C to 140°C LT1766EFE-5 LT1766EFE-5#TR 1766EFE-5 16-Lead Plastic TSSOP 0°C to 125°C LT1766IFE-5 LT1766IFE-5#TR 1766IFE-5 16-Lead Plastic TSSOP –40°C to 125°C LT1766EGN LT1766EGN#TR 1766 16-Lead Plastic SSOP 0°C to 125°C LT1766IGN LT1766IGN#TR 1766I 16-Lead Plastic SSOP –40°C to 125°C LT1766EGN-5 LT1766EGN-5#TR 17665 16-Lead Plastic SSOP 0°C to 125°C LT1766IGN-5 LT1766IGN-5#TR 1766I5 16-Lead Plastic SSOP –40°C to 125°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 (LT1766E/LT1766I Grade) The
l
denotes specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TJ = 25°C. VIN = 15V, VC = 1.5V, SHDN = 1V, BOOST open circuit, SW open circuit, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Reference Voltage (VREF) (LT1766) 5.5V ≤ VIN ≤ 60V 1.204 1.219 1.234 V VOL + 0.2 ≤ VC ≤ VOH – 0.2 l 1.195 1.243 V SENSE Voltage (LT1766-5) 5.5V ≤ VIN ≤ 60V 4.94 5 5.06 V VOL + 0.2V ≤ VC ≤ VOH – 0.2V l 4.90 5.10 V SENSE Pin Resistance (LT1766-5) 9.5 13.8 19 kΩ FB Input Bias Current (LT1766) l –0.5 –1.5 μA Error Amp Voltage Gain (Notes 2, 9) 200 400 V/V Error Amp gm dl (VC) = ±10μA (Note 9) 1500 2000 3000 μMho l 1000 4200 μMho VC to Switch gm 1.7 A/V EA Source Current FB = 1V or VSENSE = 4.1V l 125 225 400 μA EA Sink Current FB = 1.4V or VSENSE = 5.7V l 100 225 450 μA VC Switching Threshold Duty Cycle = 0 0.9 V VC High Clamp SHDN = 1V 2.1 V Switch Current Limit VC Open, Boost = VIN + 5V, FB = 1V or VSENSE = 4.1V l 1.5 2 3 A 1766fc 3
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1766EFE#PBF LT1766EFE#TRPBF 1766EFE 16-Lead Plastic TSSOP 0°C to 125°C LT1766IFE#PBF LT1766IFE#TRPBF 1766IFE 16-Lead Plastic TSSOP –40°C to 125°C LT1766HFE#PBF LT1766HFE#TRPBF 1766HFE 16-Lead Plastic TSSOP –40°C to 140°C LT1766EFE-5#PBF LT1766EFE-5#TRPBF 1766EFE-5 16-Lead Plastic TSSOP 0°C to 125°C LT1766IFE-5#PBF LT1766IFE-5#TRPBF 1766IFE-5 16-Lead Plastic TSSOP –40°C to 125°C LT1766EGN#PBF LT1766EGN#TRPBF 1766 16-Lead Plastic SSOP 0°C to 125°C LT1766IGN#PBF LT1766IGN#TRPBF 1766I 16-Lead Plastic SSOP –40°C to 125°C LT1766EGN-5#PBF LT1766EGN-5#TRPBF 17665 16-Lead Plastic SSOP 0°C to 125°C LT1766IGN-5#PBF LT1766IGN-5#TRPBF 1766I5 16-Lead Plastic SSOP –40°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1766EFE LT1766EFE#TR 1766EFE 16-Lead Plastic TSSOP 0°C to 125°C LT1766IFE LT1766IFE#TR 1766IFE 16-Lead Plastic TSSOP –40°C to 85°C LT1766HFE LT1766HFE#TR 1766HFE 16-Lead Plastic TSSOP –40°C to 140°C LT1766EFE-5 LT1766EFE-5#TR 1766EFE-5 16-Lead Plastic TSSOP 0°C to 125°C LT1766IFE-5 LT1766IFE-5#TR 1766IFE-5 16-Lead Plastic TSSOP –40°C to 125°C LT1766EGN LT1766EGN#TR 1766 16-Lead Plastic SSOP 0°C to 125°C LT1766IGN LT1766IGN#TR 1766I 16-Lead Plastic SSOP –40°C to 125°C LT1766EGN-5 LT1766EGN-5#TR 17665 16-Lead Plastic SSOP 0°C to 125°C LT1766IGN-5 LT1766IGN-5#TR 1766I5 16-Lead Plastic SSOP –40°C to 125°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 (LT1766E/LT1766I Grade) The
l
denotes specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TJ = 25°C. VIN = 15V, VC = 1.5V, SHDN = 1V, BOOST open circuit, SW open circuit, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Reference Voltage (VREF) (LT1766) 5.5V ≤ VIN ≤ 60V 1.204 1.219 1.234 V VOL + 0.2 ≤ VC ≤ VOH – 0.2 l 1.195 1.243 V SENSE Voltage (LT1766-5) 5.5V ≤ VIN ≤ 60V 4.94 5 5.06 V VOL + 0.2V ≤ VC ≤ VOH – 0.2V l 4.90 5.10 V SENSE Pin Resistance (LT1766-5) 9.5 13.8 19 kΩ FB Input Bias Current (LT1766) l –0.5 –1.5 μA Error Amp Voltage Gain (Notes 2, 9) 200 400 V/V Error Amp gm dl (VC) = ±10μA (Note 9) 1500 2000 3000 μMho l 1000 4200 μMho VC to Switch gm 1.7 A/V EA Source Current FB = 1V or VSENSE = 4.1V l 125 225 400 μA EA Sink Current FB = 1.4V or VSENSE = 5.7V l 100 225 450 μA VC Switching Threshold Duty Cycle = 0 0.9 V VC High Clamp SHDN = 1V 2.1 V Switch Current Limit VC Open, Boost = VIN + 5V, FB = 1V or VSENSE = 4.1V l 1.5 2 3 A 1766fc 3