Datasheet LT3464 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | Micropower Boost Converter with Integrated Schottky and Output Disconnect in ThinSOT |
| Seiten / Seite | 16 / 2 — ABSOLUTE AXI U. RATI GS. PACKAGE/ORDER I FOR ATIO. (Note 1). ELECTRICAL … |
| Dateiformat / Größe | PDF / 255 Kb |
| Dokumentensprache | Englisch |
ABSOLUTE AXI U. RATI GS. PACKAGE/ORDER I FOR ATIO. (Note 1). ELECTRICAL CHARACTERISTICS The
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LT3464
W W W U U W U ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1)
V ORDER PART IN, SHDN, CTRL Voltage .. 10V OUT, CAP Voltage .. 36V TOP VIEW NUMBER SW Voltage .. 36V CTRL 1 8 SHDN FB 2 7 V LT3464ETS8 IN FB Voltage ... 6V OUT 3 6 SW Maximum Junction Temperature .. 125°C GND 4 5 CAP TS8 PART MARKING Operating Temperature Range (Note 2) .. –40°C to 85°C TS8 PACKAGE 8-LEAD PLASTIC SOT-23 Storage Temperature Range ..–65°C to 150°C LTG2 TJMAX = 125°C, θJA = 140°C/W, θJC = 85°C/W Lead Temperature (Soldering, 10 sec).. 300°C 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 = 3.6V, unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage 2.0 2.3 V Quiescent Current Not Switching 25 36 µA VSHDN = 0.2V 0.01 0.5 µA FB Comparator Trip Voltage VFB Falling, VCTRL = 3.6V ● 1.215 1.250 1.275 V FB Comparator Hysteresis 10 mV FB Pin Bias Current VFB = 1.25V, VCTRL = 3.6V ● 3 30 nA FB Voltage Line Regulation 2.3V < VIN < 10V 0.05 0.1 %/V Switch Off Time VCAP-VIN = 5V 250 ns VCAP-VIN = 0V 1.0 µs Switch Leakage Current VSW = 36V 0.02 1 µA Switch VCESAT ISW = 80mA 190 300 mV Switch Current Limit 85 115 140 mA Schottky Forward Voltage ISCHOTTKY = 110mA 600 750 mV Schottky Reverse Leakage VCAP-SW = 36V 1 10 µA PNP Disconnect VCAP-OUT IOUT = 200µA 100 mV IOUT = 10mA 190 mV PNP Disconnect Q Current IOUT = 0, VCAP = 36V (Note 3) 1.5 5 µA PNP Disconnect Leakage SHDN = 0.2, VCAP = 10V, VOUT = 0V 0.1 5 µA PNP Disconnect Current Limit VCAP = 10V, VOUT = 0V 25 45 75 mA SHDN Pin Current VSHDN = 3.6V 5 10 µA SHDN Input Voltage High 2.3 V SHDN Input Voltage Low 0.2 V CTRL Pin Bias Current VCTRL = 0.5V, VFB = 1V ● 6 80 nA CTRL to FB Offset VCTRL = 0.5V (Note 4) 2 7 mV
Note 1:
Absolute Maximum Ratings are those values beyond which the life
Note 3:
Current consumed by Disconnect PNP when there is no load on of a device may be impaired. the OUT pin.
Note 2:
The LT3464E is guaranteed to meet performance specifications
Note 4:
This figure is computed according to ((VFB falling + VFB rising)/2) from 0°C to 70°C. Specifications over the –40°C to 85°C operating –VCONTROL. temperature range are assured by design, characterization and correlation with statistical process controls. 3464f 2
W W W U U W U ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1)
V ORDER PART IN, SHDN, CTRL Voltage .. 10V OUT, CAP Voltage .. 36V TOP VIEW NUMBER SW Voltage .. 36V CTRL 1 8 SHDN FB 2 7 V LT3464ETS8 IN FB Voltage ... 6V OUT 3 6 SW Maximum Junction Temperature .. 125°C GND 4 5 CAP TS8 PART MARKING Operating Temperature Range (Note 2) .. –40°C to 85°C TS8 PACKAGE 8-LEAD PLASTIC SOT-23 Storage Temperature Range ..–65°C to 150°C LTG2 TJMAX = 125°C, θJA = 140°C/W, θJC = 85°C/W Lead Temperature (Soldering, 10 sec).. 300°C 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 = 3.6V, unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage 2.0 2.3 V Quiescent Current Not Switching 25 36 µA VSHDN = 0.2V 0.01 0.5 µA FB Comparator Trip Voltage VFB Falling, VCTRL = 3.6V ● 1.215 1.250 1.275 V FB Comparator Hysteresis 10 mV FB Pin Bias Current VFB = 1.25V, VCTRL = 3.6V ● 3 30 nA FB Voltage Line Regulation 2.3V < VIN < 10V 0.05 0.1 %/V Switch Off Time VCAP-VIN = 5V 250 ns VCAP-VIN = 0V 1.0 µs Switch Leakage Current VSW = 36V 0.02 1 µA Switch VCESAT ISW = 80mA 190 300 mV Switch Current Limit 85 115 140 mA Schottky Forward Voltage ISCHOTTKY = 110mA 600 750 mV Schottky Reverse Leakage VCAP-SW = 36V 1 10 µA PNP Disconnect VCAP-OUT IOUT = 200µA 100 mV IOUT = 10mA 190 mV PNP Disconnect Q Current IOUT = 0, VCAP = 36V (Note 3) 1.5 5 µA PNP Disconnect Leakage SHDN = 0.2, VCAP = 10V, VOUT = 0V 0.1 5 µA PNP Disconnect Current Limit VCAP = 10V, VOUT = 0V 25 45 75 mA SHDN Pin Current VSHDN = 3.6V 5 10 µA SHDN Input Voltage High 2.3 V SHDN Input Voltage Low 0.2 V CTRL Pin Bias Current VCTRL = 0.5V, VFB = 1V ● 6 80 nA CTRL to FB Offset VCTRL = 0.5V (Note 4) 2 7 mV
Note 1:
Absolute Maximum Ratings are those values beyond which the life
Note 3:
Current consumed by Disconnect PNP when there is no load on of a device may be impaired. the OUT pin.
Note 2:
The LT3464E is guaranteed to meet performance specifications
Note 4:
This figure is computed according to ((VFB falling + VFB rising)/2) from 0°C to 70°C. Specifications over the –40°C to 85°C operating –VCONTROL. temperature range are assured by design, characterization and correlation with statistical process controls. 3464f 2