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LTC1928-5 Datasheet(PDF) 2 Page - Linear Technology |
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LTC1928-5 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 8 page  2 LTC1928-5 TJMAX = 125°C, θJA = 230°C/ W ORDER PART NUMBER VIN to Ground ..............................................–0.3V to 5V VOUT Voltage ...........................................– 0.3V to 5.25V CPO to Ground ........................................................ 10V CN/SHDN to Ground ..................... – 0.3V to (VIN + 0.3V) VOUT Short-Circuit Duration ............................. Indefinite IOUT ......................................................................................... 40mA Operating Temperature Range (Note 2) ...–40 °C to 85°C Maximum Junction Temperature ......................... 125 °C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C (Note 1) Consult factory for parts specified with wider operating temperature ranges. 1 2 3 VIN GND VOUT 6 5 4 CN/SHDN CP CPO TOP VIEW S6 PACKAGE 6-LEAD PLASTIC SOT-23 S6 PART MARKING LTKT PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Operating Voltage q 2.7 4.4 V IVIN Shutdown Current SHDN = 0V (Note 5) q 48 µA IVIN Operating Current IOUT = 0mA, Burst Mode TM Operation q 190 330 µA Regulated Output Voltage IOUT = 1mA q 4.9 5 5.1 V VOUT Temperature Coefficient ±50 ppm Charge Pump Oscillator Frequency IOUT > 500µA, VIN = 2.7V to 4.4V q 480 550 620 kHz CPO Output Resistance VIN = 2.7V, IOUT = 10mA q 17 30 Ω VIN = 4.4V, IOUT = 10mA q 14 24 Ω VOUT Dropout Voltage (Note 3) IOUT = 10mA, VOUT = 5V q 100 mV VOUT Enable Time RLOAD = 2k 0.6 ms VOUT Output Noise Voltage IOUT = 10mA, 10Hz ≤ f ≤ 100kHz 90 µVRMS IOUT = 10mA, 10Hz ≤ f ≤ 2.5MHz 800 µVP-P VOUT Line Regulation VIN = 2.7V to 4.4V, IOUT = 0 q 420 mV VOUT Load Regulation IOUT = 1mA to 10mA q 210 mV IOUT = 1mA to 30mA (Note 4) 4 mV VOUT Shutdown Resistance CN/SHDN = 0V (Note 5) VIN = 2.7V, Resistance Measured to Ground q 160 400 Ω VIN = 4.4V, Resistance Measured to Ground q 100 300 Ω CN/SHDN Input Threshold VIN = 2.7V to 4.4V (Note 5) q 0.15 0.5 1.6 V CN/SHDN Input Current CN/SHDN = 0V (Note 5) q –1 –3 –6 µA Burst Mode is a trademark of Linear Technology Corporation. LTC1928ES6-5 ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO ELECTRICAL CHARACTERISTICS Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: The LTC1928ES6-5 is guaranteed to meet performance specifications from 0 °C to 70°C. Specifications over the –40°C to 85°C operating temperature range are assured by design, characterization and correlation with statistical process controls. Note 3: Dropout voltage is the minimum input/output voltage required to maintain regulation at the specified output current. In dropout the output voltage will be equal to: VCPO – VDROPOUT (see Figure 2). The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. VIN = 3V, CFLY = 0.47µF, COUT, CCPO, CIN = 4.7µF unless otherwise specified. |
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