Datasheet LTC3416 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | 4A, 4MHz, Monolithic Synchronous Step-Down Regulator with Tracking |
| Seiten / Seite | 16 / 2 — ABSOLUTE AXI U RATI GS. PACKAGE/ORDER I FOR ATIO. (Note 1). Order … |
| Dateiformat / Größe | PDF / 219 Kb |
| Dokumentensprache | Englisch |
ABSOLUTE AXI U RATI GS. PACKAGE/ORDER I FOR ATIO. (Note 1). Order Options. ELECTRICAL CHARACTERISTICS The
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LTC3416
W W W U U W U ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1)
Input Supply Voltage .. – 0.3V to 6V TOP VIEW ORDER PART ITH, RUN, VFB Voltages .. – 0.3V to VIN PGND 1 20 PGND NUMBER TRACK Voltage .. – 0.3V to VIN R 2 19 T VFB LTC3416EFE SW Voltage .. – 0.3V to (V TRACK 3 IN + 0.3V) 18 ITH Operating Ambient Temperature Range RUN/SS 4 17 PGOOD (Note 2) .. – 40°C to 85°C SGND 5 16 SVIN 21 Junction Temperature (Notes 5, 6) .. 125°C NC 6 15 NC Storage Temperature Range .. – 65°C to 150°C PV 7 14 IN PVIN SW 8 13 SW Lead Temperature (Soldering, 10 sec)... 300°C SW 9 12 SW PGND 10 11 PGND FE PACKAGE 20-LEAD PLASTIC TSSOP TJMAX = 125°C, θJA = 38°C/W, θJC = 10°C/W EXPOSED PAD IS GND (PIN 21) MUST BE SOLDERED TO PCB
Order Options
Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VIN = 3.3V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Input Voltage Range 2.25 5.5 V VFB Regulated Feedback Voltage (Note 3) ● 0.784 0.800 0.816 V IFB Feedback Input Current 0.2 µA ITRACK TRACK Input Current 0.2 µA ∆VFB Reference Voltage Line Regulation VIN = 2.5V to 5.5V (Note 3) 0.04 0.2 %/V VTRACK Tracking Voltage Offset VTRACK = 0.4V 30 mV Tracking Voltage Range 0 0.8 V VLOADREG Output Voltage Load Regulation Measured in Servo Loop, VITH = 0.36V 0.02 0.2 % Measured in Servo Loop, VITH = 0.84V –0.02 –0.2 % ∆VPGOOD Power Good Range ±7.5 ±9 % RPGOOD Power Good Resistance 120 200 Ω IQ Input DC Bias Current (Note 4) Active Current VFB = 0.7V, VITH = 1.2V 300 350 µA Shutdown VRUN = 0V 0.02 1 µA fOSC Switching Frequency ROSC = 294kΩ 0.88 1 1.12 MHz Switching Frequency Range (Note 4) 0.30 4.00 MHz RPFET RDS(ON) of P-Channel FET ISW = 300mA 67 100 mΩ RNFET RDS(ON) of N-Channel FET ISW = –300mA 50 100 mΩ ILIMIT Peak Current Limit 6 8 A VUVLO Undervoltage Lockout Threshold 1.75 2 2.25 V ILSW SW Leakage Current VRUN = 0V, VIN = 5.5V 0.1 1 µA VRUN RUN Threshold 0.5 0.65 0.8 V 3416fa 2
W W W U U W U ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1)
Input Supply Voltage .. – 0.3V to 6V TOP VIEW ORDER PART ITH, RUN, VFB Voltages .. – 0.3V to VIN PGND 1 20 PGND NUMBER TRACK Voltage .. – 0.3V to VIN R 2 19 T VFB LTC3416EFE SW Voltage .. – 0.3V to (V TRACK 3 IN + 0.3V) 18 ITH Operating Ambient Temperature Range RUN/SS 4 17 PGOOD (Note 2) .. – 40°C to 85°C SGND 5 16 SVIN 21 Junction Temperature (Notes 5, 6) .. 125°C NC 6 15 NC Storage Temperature Range .. – 65°C to 150°C PV 7 14 IN PVIN SW 8 13 SW Lead Temperature (Soldering, 10 sec)... 300°C SW 9 12 SW PGND 10 11 PGND FE PACKAGE 20-LEAD PLASTIC TSSOP TJMAX = 125°C, θJA = 38°C/W, θJC = 10°C/W EXPOSED PAD IS GND (PIN 21) MUST BE SOLDERED TO PCB
Order Options
Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VIN = 3.3V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Input Voltage Range 2.25 5.5 V VFB Regulated Feedback Voltage (Note 3) ● 0.784 0.800 0.816 V IFB Feedback Input Current 0.2 µA ITRACK TRACK Input Current 0.2 µA ∆VFB Reference Voltage Line Regulation VIN = 2.5V to 5.5V (Note 3) 0.04 0.2 %/V VTRACK Tracking Voltage Offset VTRACK = 0.4V 30 mV Tracking Voltage Range 0 0.8 V VLOADREG Output Voltage Load Regulation Measured in Servo Loop, VITH = 0.36V 0.02 0.2 % Measured in Servo Loop, VITH = 0.84V –0.02 –0.2 % ∆VPGOOD Power Good Range ±7.5 ±9 % RPGOOD Power Good Resistance 120 200 Ω IQ Input DC Bias Current (Note 4) Active Current VFB = 0.7V, VITH = 1.2V 300 350 µA Shutdown VRUN = 0V 0.02 1 µA fOSC Switching Frequency ROSC = 294kΩ 0.88 1 1.12 MHz Switching Frequency Range (Note 4) 0.30 4.00 MHz RPFET RDS(ON) of P-Channel FET ISW = 300mA 67 100 mΩ RNFET RDS(ON) of N-Channel FET ISW = –300mA 50 100 mΩ ILIMIT Peak Current Limit 6 8 A VUVLO Undervoltage Lockout Threshold 1.75 2 2.25 V ILSW SW Leakage Current VRUN = 0V, VIN = 5.5V 0.1 1 µA VRUN RUN Threshold 0.5 0.65 0.8 V 3416fa 2