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LTC1044ACN8 Datasheet(PDF) 2 Page - Linear Technology |
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LTC1044ACN8 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 12 page  2 LTC1044A PACKAGE/ORDER I FOR ATIO ABSOLUTE AXI U RATI GS (Note 1) Supply Voltage ........................................................ 13V Input Voltage on Pins 1, 6 and 7 (Note 2) .............................. – 0.3V < VIN < V + + 0.3V Current into Pin 6 ................................................. 20 µA Output Short-Circuit Duration V + ≤ 6.5V .................................................Continuous Operating Temperature Range LTC1044AC ............................................ 0 °C to 70°C LTC1044AI ........................................ – 40 °C to 85°C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................. 300 °C ORDER PART NUMBER TJMAX = 110°C, θJA = 100°C/W ORDER PART NUMBER 1 2 3 4 8 7 6 5 TOP VIEW BOOST CAP+ GND CAP– V+ OSC LV VOUT N8 PACKAGE 8-LEAD PLASTIC DIP S8 PART MARKING LTC1044ACN8 LTC1044AIN8 LTC1044ACS8 LTC1044AIS8 1044A 1044AI TJMAX = 110°C, θJA = 130°C/W 1 2 3 4 8 7 6 5 TOP VIEW V+ OSC LV VOUT BOOST CAP+ GND CAP– S8 PACKAGE 8-LEAD PLASTIC SOIC LTC1044AC LTC1044AI SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS IS Supply Current RL = ∞, Pins 1 and 7, No Connection 60 200 60 200 µA RL = ∞, Pins 1 and 7, No Connection, 15 15 µA V + = 3V Minimum Supply Voltage RL = 10k q 1.5 1.5 V Maximum Supply Voltage RL = 10k q 12 12 V ROUT Output Resistance IL = 20mA, fOSC = 5kHz 100 100 Ω q 120 130 Ω V + = 2V, IL = 3mA, fOSC = 1kHz q 310 325 Ω fOSC Oscillator Frequency V + = 5V, (Note 3) q 5 5 kHz V + = 2V q 1 1 kHz PEFF Power Efficiency RL = 5k, fOSC = 5kHz 95 98 95 98 % Voltage Conversion Efficiency RL = ∞ 97 99.9 97 99.9 % Oscillator Sink or Source VOSC = 0V or V + Current Pin 1 (BOOST) = 0V q 33 µA Pin 1 (BOOST) = V + q 20 20 µA ELECTRICAL C C HARA TERISTICS V+ = 5V, C OSC = 0pF, TA = 25°C, See Test Circuit, unless otherwise noted. The q denotes specifications which apply over the full operating temperature range; all other limits and typicals TA = 25°C. Note 1: Absolute maximum ratings are those values beyond which the life of a device may be impaired. Note 2: Connecting any input terminal to voltages greater than V + or less than ground may cause destructive latch-up. It is recommended that no inputs from sources operating from external supplies be applied prior to power-up of the LTC1044A. Note 3: fOSC is tested with COSC = 100pF to minimize the effects of test fixture capacitance loading. The 0pF frequency is correlated to this 100pF test point, and is intended to simulate the capacitance at pin 7 when the device is plugged into a test socket and no external capacitor is used. Consult factory for Military grade parts |
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