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MCP1827-5002EAB Datasheet(PDF) 6 Page - Microchip Technology |
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MCP1827-5002EAB Datasheet(HTML) 6 Page - Microchip Technology |
6 / 32 page MCP1827/MCP1827S DS22001B-page 6 © 2006 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † VIN....................................................................................6.5V Maximum Voltage on Any Pin .. (GND – 0.3V) to (VDD + 0.3)V Maximum Power Dissipation......... Internally-Limited (Note 6) Output Short Circuit Duration ................................Continuous Storage temperature .....................................-65°C to +150°C Maximum Junction Temperature, TJ ...........................+150°C ESD protection on all pins (HBM/MM) ........... ≥ 2kV; ≥ 200V † Notice: Stresses above those listed under “Maximum Rat- ings” 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. Expo- sure to maximum rating conditions for extended periods may affect device reliability. AC/DC CHARACTERISTICS Electrical Specifications: Unless otherwise noted, VIN = VOUT(MAX) + VDROPOUT(MAX) Note 1, VR=1.8V for Adjustable Output, IOUT = 1 mA, CIN = COUT = 4.7 µF (X7R Ceramic), TA = +25°C. Boldface type applies for junction temperatures, TJ (Note 7) of - 40°C to +125°C Parameters Sym Min Typ Max Units Conditions Input Operating Voltage VIN 2.3 6.0 V Note 1 Input Quiescent Current Iq — 120 220 µA IL = 0 mA, VIN = Note 1, VOUT = 0.8V to 5.0V Input Quiescent Current for SHDN Mode ISHDN —0.1 3 µA SHDN = GND Maximum Output Current IOUT 1.5 —— A VIN = 2.3V to 6.0V VR = 0.8V to 5.0V, Note 1 Line Regulation ΔVOUT/ (VOUT x ΔVIN) —0.05 0.16 %/V (Note 1) ≤ VIN ≤ 6V Load Regulation ΔVOUT/VOUT -1.0 ±0.5 1.0 %IOUT = 1 mA to 1.5A, VIN = Note 1, (Note 4) Output Short Circuit Current IOUT_SC —2.2 — A VIN = Note 1, RLOAD <0.1Ω, Peak Current Adjust Pin Characteristics (Adjustable Output Only) Adjust Pin Reference Voltage VADJ 0.402 0.410 0.418 VVIN = 2.3V to VIN =6.0V, IOUT = 1 mA Adjust Pin Leakage Current IADJ -10 ±0.01 +10 nA VIN = 6.0V, VADJ =0Vto 6V Adjust Temperature Coefficient TCVOUT —40 — ppm/°C Note 3 Fixed-Output Characteristics (Fixed Output Only) Note 1: The minimum VIN must meet two conditions: VIN ≥ 2.3V and VIN ≥ VOUT(MAX) + VDROPOUT(MAX). 2: VR is the nominal regulator output voltage for the fixed cases. VR = 1.2V, 1.8V, etc. VR is the desired set point output voltage for the adjustable cases. VR = VADJ * ((R1/R2)+1). Figure 4-1. 3: TCVOUT = (VOUT-HIGH – VOUT-LOW) *106 / (VR * ΔTemperature). VOUT-HIGH is the highest voltage measured over the temperature range. VOUT-LOW is the lowest voltage measured over the temperature range. 4: Load regulation is measured at a constant junction temperature using low duty-cycle pulse testing. Load regulation is tested over a load range from 1 mA to the maximum specified output current. 5: Dropout voltage is defined as the input-to-output voltage differential at which the output voltage drops 2% below its nominal value that was measured with an input voltage of VIN = VOUTMAX + VDROPOUT(MAX). 6: The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction temperature and the thermal resistance from junction to air. (i.e., TA, TJ, θJA). Exceeding the maximum allowable power dissipation will cause the device operating junction temperature to exceed the maximum +150°C rating. Sustained junction temperatures above 150°C can impact device reliability. 7: The junction temperature is approximated by soaking the device under test at an ambient temperature equal to the desired junction temperature. The test time is small enough such that the rise in the junction temperature over the ambient temperature is not significant. |
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