Electronic Components Datasheet Search |
|
MCP1791 Datasheet(PDF) 4 Page - Microchip Technology |
|
MCP1791 Datasheet(HTML) 4 Page - Microchip Technology |
4 / 34 page MCP1790/MCP1791 DS22075A-page 4 © 2008 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † Input Voltage, VIN .........................................................+48.0V VIN, PWRGD, SHDN ..................... (GND-0.3V) to (VIN+0.3V) VOUT .................................................. (GND-0.3V) to (+5.5V) Internal Power Dissipation ............ Internally-Limited (Note 4) Output Short Circuit Current..................................Continuous Storage temperature .....................................-55°C to +150°C Maximum Junction Temperature .....................165°C (Note 7) Operating Junction Temperature...................-40°C to +125°C ESD protection on all pins ..........≥ 6 kV HBM and ≥ 400V MM † 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, V IN = VOUT(MAX) + VDROPOUT(MAX), (Note 1), IOUT = 1 mA, COUT = 4.7 µF (X7R Ceramic), CIN = 4.7 µF (X7R Ceramic), TA = +25°C, SHDN > 2.4V. Boldface type applies for junction temperatures, T J (Note 5) of -40°C to +125°C. Parameters Symbol Min Typ Max Units Conditions Input Operating Voltage VIN 6.0 — 30.0 V +48VDC Load Dump Peak < 500 ms Input Quiescent Current Iq —70 130 µA IL = 0 mA Input Quiescent Current for SHDN Mode ISHDN —10 25 µA SHDN = GND Ground Current IGND —110 210 µA IL = 70 mA Maximum Output Current IOUT 70 —— mA Line Regulation ΔV OUT/ (VOUTXΔVIN) — ±0.0002 ±0.05 %/V 6.0V < VIN < 30V Load Regulation ΔV OUT/VOUT -0.45 ±0.2 0.45 %IOUT = 1 mA to 70 mA (Note 3) Output Peak Short Circuit Current IOUT_SC —VR/10 — A RLOAD <0.1 Ω, Peak Current Output Voltage Regulation VOUT VR-2.5% VR VR+2.5% V6.0V < VIN < 30V VOUT Temperature Coefficient TCVOUT — 65 — ppm/°C Note 9 Input Voltage to Turn On Output VON —5.5 6.0 V Rising VIN Note 1: The minimum VIN, VIN(MIN) must meet two conditions: VIN ≥ 6.0V and VIN ≥ VOUT(MAX) + VDROPOUT(MAX). 2: VR is the nominal regulator output voltage. 3: 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. 4: 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 165°C rating. Sustained junction temperatures above 165°C can impact the device reliability. 5: 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. 6: 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 = VR + VDROPOUT(MAX). 7: Sustained junction temperatures above 165°C can impact the device reliability. 8: The Short Circuit Recovery Time test is done by placing the device into a short circuit condition and then removing the short circuit condition before the device die temperature reaches 125 °C. If the device goes into thermal shutdown, then the Short Circuit Recovery Time will depend upon the thermal dissipation properties of the package and circuit board. 9: TCVOUT = (VOUT-HIGH - VOUT-LOW) *10^6 / (VR * ΔTemperature), VOUT-HIGH = highest voltage measured over the tem- peraturerange. VOUT-LOW = lowest voltage measured over the temperature range. |
Similar Part No. - MCP1791 |
|
Similar Description - MCP1791 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |