Datasheet LTC3406, LTC3406-1.5, LTC3406-1.8 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT |
| Pages / Page | 16 / 2 — ABSOLUTE AXI U RATI GS (Note 1). PACKAGE/ORDER I FOR ATIO. ELECTRICAL … |
| File Format / Size | PDF / 247 Kb |
| Document Language | English |
ABSOLUTE AXI U RATI GS (Note 1). PACKAGE/ORDER I FOR ATIO. ELECTRICAL CHARACTERISTICS. The
Model Line for this Datasheet
Text Version of Document
LTC3406 LTC3406-1.5/LTC3406-1.8
W W W U ABSOLUTE AXI U RATI GS (Note 1)
Input Supply Voltage .. – 0.3V to 6V Peak SW Sink and Source Current .. 1.3A RUN, VFB Voltages ... – 0.3V to VIN Operating Temperature Range (Note 2) .. – 40°C to 85°C SW Voltage .. – 0.3V to (VIN + 0.3V) Junction Temperature (Note 3) .. 125°C P-Channel Switch Source Current (DC) ... 800mA Storage Temperature Range .. – 65°C to 150°C N-Channel Switch Sink Current (DC) ... 800mA Lead Temperature (Soldering, 10 sec)... 300°C
U W U PACKAGE/ORDER I FOR ATIO
ORDER PART ORDER PART TOP VIEW NUMBER TOP VIEW NUMBER RUN 1 5 VFB RUN 1 5 V LTC3406ES5 OUT LTC3406ES5-1.5 GND 2 GND 2 LTC3406ES5-1.8 SW 3 4 VIN SW 3 4 VIN S5 PACKAGE S5 PART MARKING S5 PACKAGE S5 PART MARKING 5-LEAD PLASTIC TSOT-23 5-LEAD PLASTIC TSOT-23 TJMAX = 125°C, θJA = 250°C/ W, θJC = 90°C/ W LTA5 TJMAX = 125°C, θJA = 250°C/ W, θJC = 90°C/ W LTD6 LTC4 Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. VIN = 3.6V unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IVFB Feedback Current ● ±30 nA VFB Regulated Feedback Voltage LTC3406 (Note 4) TA = 25°C 0.5880 0.6 0.6120 V LTC3406 (Note 4) 0°C TA ≤ 85°C 0.5865 0.6 0.6135 V LTC3406 (Note 4) –40°C ≤ TA ≤ 85°C ● 0.5850 0.6 0.6150 V ∆VFB Reference Voltage Line Regulation VIN = 2.5V to 5.5V (Note 4) ● 0.04 0.4 %/V VOUT Regulated Output Voltage LTC3406-1.5, IOUT = 100mA ● 1.455 1.500 1.545 V LTC3406-1.8, IOUT = 100mA ● 1.746 1.800 1.854 V ∆VOUT Output Voltage Line Regulation VIN = 2.5V to 5.5V ● 0.04 0.4 %/V IPK Peak Inductor Current VIN = 3V, VFB = 0.5V or VOUT = 90%, 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 = 0.5V or VOUT = 90%, ILOAD = 0A 300 400 µA Sleep Mode VFB = 0.62V or VOUT = 103%, ILOAD = 0A 20 35 µA Shutdown VRUN = 0V, VIN = 4.2V 0.1 1 µA fOSC Oscillator Frequency VFB = 0.6V or VOUT = 100% ● 1.2 1.5 1.8 MHz VFB = 0V or VOUT = 0V 210 kHz RPFET RDS(ON) of P-Channel FET ISW = 100mA 0.4 0.5 Ω RNFET RDS(ON) of N-Channel FET ISW = –100mA 0.35 0.45 Ω ILSW SW Leakage VRUN = 0V, VSW = 0V or 5V, VIN = 5V ±0.01 ±1 µA 3406fa 2
W W W U ABSOLUTE AXI U RATI GS (Note 1)
Input Supply Voltage .. – 0.3V to 6V Peak SW Sink and Source Current .. 1.3A RUN, VFB Voltages ... – 0.3V to VIN Operating Temperature Range (Note 2) .. – 40°C to 85°C SW Voltage .. – 0.3V to (VIN + 0.3V) Junction Temperature (Note 3) .. 125°C P-Channel Switch Source Current (DC) ... 800mA Storage Temperature Range .. – 65°C to 150°C N-Channel Switch Sink Current (DC) ... 800mA Lead Temperature (Soldering, 10 sec)... 300°C
U W U PACKAGE/ORDER I FOR ATIO
ORDER PART ORDER PART TOP VIEW NUMBER TOP VIEW NUMBER RUN 1 5 VFB RUN 1 5 V LTC3406ES5 OUT LTC3406ES5-1.5 GND 2 GND 2 LTC3406ES5-1.8 SW 3 4 VIN SW 3 4 VIN S5 PACKAGE S5 PART MARKING S5 PACKAGE S5 PART MARKING 5-LEAD PLASTIC TSOT-23 5-LEAD PLASTIC TSOT-23 TJMAX = 125°C, θJA = 250°C/ W, θJC = 90°C/ W LTA5 TJMAX = 125°C, θJA = 250°C/ W, θJC = 90°C/ W LTD6 LTC4 Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. VIN = 3.6V unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IVFB Feedback Current ● ±30 nA VFB Regulated Feedback Voltage LTC3406 (Note 4) TA = 25°C 0.5880 0.6 0.6120 V LTC3406 (Note 4) 0°C TA ≤ 85°C 0.5865 0.6 0.6135 V LTC3406 (Note 4) –40°C ≤ TA ≤ 85°C ● 0.5850 0.6 0.6150 V ∆VFB Reference Voltage Line Regulation VIN = 2.5V to 5.5V (Note 4) ● 0.04 0.4 %/V VOUT Regulated Output Voltage LTC3406-1.5, IOUT = 100mA ● 1.455 1.500 1.545 V LTC3406-1.8, IOUT = 100mA ● 1.746 1.800 1.854 V ∆VOUT Output Voltage Line Regulation VIN = 2.5V to 5.5V ● 0.04 0.4 %/V IPK Peak Inductor Current VIN = 3V, VFB = 0.5V or VOUT = 90%, 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 = 0.5V or VOUT = 90%, ILOAD = 0A 300 400 µA Sleep Mode VFB = 0.62V or VOUT = 103%, ILOAD = 0A 20 35 µA Shutdown VRUN = 0V, VIN = 4.2V 0.1 1 µA fOSC Oscillator Frequency VFB = 0.6V or VOUT = 100% ● 1.2 1.5 1.8 MHz VFB = 0V or VOUT = 0V 210 kHz RPFET RDS(ON) of P-Channel FET ISW = 100mA 0.4 0.5 Ω RNFET RDS(ON) of N-Channel FET ISW = –100mA 0.35 0.45 Ω ILSW SW Leakage VRUN = 0V, VSW = 0V or 5V, VIN = 5V ±0.01 ±1 µA 3406fa 2
