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TC1684EUA Datasheet(PDF) 2 Page - Microchip Technology |
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TC1684EUA Datasheet(HTML) 2 Page - Microchip Technology |
2 / 10 page TC1682/TC1683/TC1684 DS21537C-page 2 © 2005 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings* Input Voltage (VIN to GND)....................... +6.0V, -0.3V Output Voltage (VOUT to GND)............... -12.0V, +0.3V Current at VOUT Pin.............................................20mA Short-Circuit Duration VOUT to GND ..............Indefinite Power Dissipation (TA ≤ 70°C) 8-Pin MSOP .............................................320mW Operating Temperature Range............. -40°C to +85°C Storage Temperature (Unbiased) .......-65°C to +150°C *Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. TC1682/TC1683/TC1684 ELECTRICAL SPECIFICATIONS Electrical Characteristics: TA = -40°C to +85°C, VIN = +5V, C1 = C2 = 3.3μF (TC1682), C1 = C2 = 1μF (TC1683), C1 = C2 = 0.33 μF (TC1684), SHDN = GND, Typical values are at TA = +25°C Symbol Parameter Min Typ Max Units Device Test Conditions IDD Supply Current — — — 95 225 700 160 480 1500 μA TC1682 TC1683 TC1684 ISHDN Shutdown Supply Current — 0.5 2 μA All SHDN = VIN = +5V VMIN Minimum Supply Voltage 1.8 — — V All RLOAD = 1kΩ VMAX Maximum Supply Voltage — — 5.5 V All RLOAD = 1kΩ FOSC Oscillator Frequency 8.4 24.5 65 12 35 125 15.6 45.5 170 kHz TC1682 TC1683 TC1684 VIH SHDN Input Logic High 1.4 — — V All VIN = VMIN to VMAX VIL SHDN Input Logic Low — — 0.4 V All VIN = VMIN to VMAX VEFF Voltage Conversion Efficiency 95 99 — % All RLOAD = ∞ ROUT Output Resistance — 120 170 Ω All ILOAD = 0.5mA to 10mA (Note 1) TWK Wake-up Time From Shutdown Mode — — — 1800 600 200 — — — μsec TC1682 TC1683 TC1684 RLOAD = 2kΩ Note 1: Capacitor contribution is approximately 20% of the output impedance (ESR = 1/ pump frequency x capacitance). |
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