Datasheet LTC3406A (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT |
| 页数 / 页 | 16 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| 文件格式/大小 | PDF / 305 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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LTC3406A
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
TOP VIEW Input Supply Voltage ..– 0.3V to 6V RUN, V RUN 1 5 VFB FB Voltages ...–0.3V to VIN SW Voltage (DC) ... – 0.3V to (V GND 2 IN + 0.3V) SW 3 4 V P-Channel Switch Source Current (DC) IN (Note 7) ..800mA S5 PACKAGE 5-LEAD PLASTIC TSOT-23 N-Channel Switch Sink Current (DC) (Note 7) ...800mA TJMAX = 125°C, θJA = 250°C/W, θJC = 90°C/W Peak SW Sink and Source Current (Note 7) ...1.3A Operating Temperature Range (Note 2) LTC3406AE ..– 40°C to 85°C LTC3406AI ...– 40°C to 125°C Junction Temperature (Notes 3, 6).. 125°C Storage Temperature Range ...– 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
LTC3406AES5#PBF LTC3406AES5#TRPBF LTCWJ 5-Lead Plastic TSOT-23 –40°C to 85°C LTC3406AIS5#PBF LTC3406AIS5#TRPBF LTCWJ 5-Lead Plastic TSOT-23 –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *Temperature grades are 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/
ELECTRICAL CHARACTERISTICS The
●
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 3.6V unless otherwise specifi ed. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IVFB Feedback Current ● ±30 nA VFB Regulated Feedback Voltage (Note 4) LTC3406AE ● 0.5880 0.6 0.6120 V (Note 4) LTC3406AI ● 0.585 0.6 0.615 V ∆VFB Reference Voltage Line Regulation VIN = 2.5V to 5.5V (Note 4) LTC3406AE ● 0.04 0.4 %/V VIN = 2.5V to 5.5V (Note 4) LTC3406AI ● 0.04 0.6 %/V IPK Peak Inductor Current VIN = 3V, VFB = 0.5V 0.75 1 1.25 A Duty Cycle < 35% VLOADREG Output Voltage Load Regulation 0.5 % VIN Input Voltage Range ● 2.5 5.5 V IS Input DC Bias Current (Note 5) Active Mode VFB = 0V 200 300 μA Sleep Mode VFB = 0.63V 16 30 μA Shutdown VRUN = 0V, VIN = 5.5V 0.1 1 μA fOSC Oscillator Frequency VFB = 0.6V ● 1.2 1.5 1.8 MHz RPFET RDS(ON) of P-Channel FET ISW = 100mA 0.23 0.35 Ω 3406afa 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
TOP VIEW Input Supply Voltage ..– 0.3V to 6V RUN, V RUN 1 5 VFB FB Voltages ...–0.3V to VIN SW Voltage (DC) ... – 0.3V to (V GND 2 IN + 0.3V) SW 3 4 V P-Channel Switch Source Current (DC) IN (Note 7) ..800mA S5 PACKAGE 5-LEAD PLASTIC TSOT-23 N-Channel Switch Sink Current (DC) (Note 7) ...800mA TJMAX = 125°C, θJA = 250°C/W, θJC = 90°C/W Peak SW Sink and Source Current (Note 7) ...1.3A Operating Temperature Range (Note 2) LTC3406AE ..– 40°C to 85°C LTC3406AI ...– 40°C to 125°C Junction Temperature (Notes 3, 6).. 125°C Storage Temperature Range ...– 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
LTC3406AES5#PBF LTC3406AES5#TRPBF LTCWJ 5-Lead Plastic TSOT-23 –40°C to 85°C LTC3406AIS5#PBF LTC3406AIS5#TRPBF LTCWJ 5-Lead Plastic TSOT-23 –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *Temperature grades are 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/
ELECTRICAL CHARACTERISTICS The
●
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 3.6V unless otherwise specifi ed. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IVFB Feedback Current ● ±30 nA VFB Regulated Feedback Voltage (Note 4) LTC3406AE ● 0.5880 0.6 0.6120 V (Note 4) LTC3406AI ● 0.585 0.6 0.615 V ∆VFB Reference Voltage Line Regulation VIN = 2.5V to 5.5V (Note 4) LTC3406AE ● 0.04 0.4 %/V VIN = 2.5V to 5.5V (Note 4) LTC3406AI ● 0.04 0.6 %/V IPK Peak Inductor Current VIN = 3V, VFB = 0.5V 0.75 1 1.25 A Duty Cycle < 35% VLOADREG Output Voltage Load Regulation 0.5 % VIN Input Voltage Range ● 2.5 5.5 V IS Input DC Bias Current (Note 5) Active Mode VFB = 0V 200 300 μA Sleep Mode VFB = 0.63V 16 30 μA Shutdown VRUN = 0V, VIN = 5.5V 0.1 1 μA fOSC Oscillator Frequency VFB = 0.6V ● 1.2 1.5 1.8 MHz RPFET RDS(ON) of P-Channel FET ISW = 100mA 0.23 0.35 Ω 3406afa 2