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TCM829 Datasheet(PDF) 3 Page - Microchip Technology |
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TCM829 Datasheet(HTML) 3 Page - Microchip Technology |
3 / 26 page © 2010 Microchip Technology Inc. DS21488B-page 3 TCM828/TCM829 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † Input Voltage (VIN to GND) ..................................+30V Output Voltage (OUT to GND) ...................6.0V, +0.3V Current at OUT Pin ............................................ 50 mA Short-Circuit Duration – OUT to GND ............Indefinite Operating Temperature Range ................ -40°C to +85°C Variable Temp. Range (TCM828 only) ............................... .............................................................................- 40°C to +125°C Power Dissipation (TA ≤ 70°C) ........................ 240 mW Storage Temperature (Unbiased)..........-65°C to +150°C Lead Temperature (Soldering, 10 sec)............ +300°C † Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (0°C TO +85°C) Electrical Specifications: TA = 0°C to +85°C, VIN = +5V, C1 = C2 = 10 µF (TCM828), C1 = C2 = 3.3 µF (TCM829), unless otherwise noted. Typical values are at TA = +25°C. Parameters Sym Min Typ Max Units Conditions Supply Current IDD —50 90 µA TCM828, TA = +25°C — 115 260 µA TCM829, TA = +25°C Minimum Supply Voltage V+ 1.5 — — V RLOAD = 10 kΩ, TA = 0°C to +85°C Maximum Supply Voltage V+ —— 5.5 V RLOAD = 10 kΩ Oscillator Frequency FOSC 8.4 12 15.6 kHz TCM828, TA = +25°C 24.5 35 45.5 kHz TCM829, TA = +25°C Power Efficiency PEFF —96 — % ILOAD = 3 mA,TA = +25°C Voltage Conversion Efficiency VEFF 95 99.9 — % RLOAD = ∞ Output Resistance ROUT —25 50 Ω IOUT = 5 mA,TA = +25°C —— 65 Ω IOUT = 5 mA,TA = 0°C to +85°C Note 1: Capacitor contribution is approximately 20% of the output impedance [ESR = 1/pump frequency x capacitance)]. ELECTRICAL CHARACTERISTICS (-40°C TO +85°C) Electrical Specifications: TA = -40°C to +85°C, VIN = +5V, C1 = C2 = 10 µF (TCM828), C1 = C2 = 3.3 µF (TCM829), unless otherwise noted. Typical values are at TA = +25°C. (Note 1) Parameters Sym Min Typ Max Units Conditions Supply Current IDD —— 115 µA TCM828 — — 325 µA TCM829 Supply Voltage Range V+ 1.5 — 5.5 V RLOAD = 10 kΩ Oscillator Frequency FOSC 6— 15.6 kHz TCM828 19 — 45.5 kHz TCM829 Output Resistance ROUT —— 65 Ω IOUT = 5 mA Note 1: All -40°C to +85°C specifications above are assured by design. |
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