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LTC1471 Datasheet(PDF) 2 Page - Linear Technology |
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LTC1471 Datasheet(HTML) 2 Page - Linear Technology |
2 / 12 page 2 LTC1470/LTC1471 14701fa ABSOLUTE MAXIMUM RATINGS 3.3V Supply Voltage (3VIN) (Note 2)........................ 7V 5V Supply Voltage (5VIN) (Note 2)............................ 7V Enable Input Voltage ..................... 5VIN to (GND – 0.3V) Output Voltage (OFF) (Note 2) ......... 7V to (GND – 0.3V) Output Short-Circuit Duration .......................... Indefinite Operating Temperature LTC1470C .............................................. 0 °C to 70°C LTC1470E (Note 7) ............................. –40 °C to 85°C Junction Temperature .......................................... 100 °C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................. 300 °C PACKAGE/ORDER INFORMATION ORDER PART NUMBER LTC1471CS 1470 1470E S8 PART MARKING ORDER PART NUMBER TJMAX = 100°C, θJA = 100°C/W SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS 3VIN 3.3V Supply Voltage Range 2.70 3.60 V 5VIN 5V Supply Voltage Range 4.75 5.25 V I3VIN 3.3V Supply Current Program to Hi-Z (Note 4) ● 0.01 10 µA Program to 3.3V, No Load (Note 4) ● 40 80 µA Program to 5V, No Load (Note 4) ● 0.01 10 µA I5VIN 5V Supply Current Program to Hi-Z (Note 4) ● 0.01 10 µA Program to 3.3V (Note 4) ● 100 160 µA Program to 5V (Note 4) ● 140 200 µA RON 3.3V Switch ON Resistance Program to 3.3V, IOUT = 500mA 0.12 0.16 Ω 5V Switch ON Resistance Program to 5V, IOUT = 500mA 0.14 0.18 Ω ILKG Output Leakage Current OFF Program to Hi-Z, 0V ≤ VOUT ≤ 5V (Note 4) ● ±10 µA ILIM3V 3.3V Current Limit Program to 3.3V, VOUT = 0V (Note 5) 1 A ILIM5V 5V Current Limit Program to 5V, VOUT = 0V (Note 5) 1 A VENH Enable Input High Voltage ● 2.0 V VENL Enable Input Low Voltage ● 0.8 V IEN Enable Input Current 0V ≤ VEN ≤ 5V ±1 µA ELECTRICAL CHARACTERISTICS LTC1470CS8 LTC1470ES8 TJMAX = 100°C, θJA = 150°C/W 1 2 3 4 8 7 6 5 TOP VIEW OUT 3VIN 3VIN GND OUT 5VIN EN1 EN0 S8 PACKAGE 8-LEAD PLASTIC SO TOP VIEW S PACKAGE 16-LEAD PLASTIC SO 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 AOUT A5VIN AEN1 AEN0 GND B3VIN B3VIN BOUT AOUT A3VIN A3VIN GND BEN0 BEN1 B5VIN BOUT The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. 3VIN = 3.3V, 5VIN = 5V (Note 3), unless otherwise noted. (Note 1) Consult LTC Marketing for parts specified with wider operating temperature ranges. |
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