MCP1727T-2502E/MF Microchip Technology, MCP1727T-2502E/MF Datasheet
MCP1727T-2502E/MF
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MCP1727T-2502E/MF Summary of contents
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... GND 4 5 PWRGD 4 GND © 2007 Microchip Technology Inc. MCP1727 Description The MCP1727 is a 1.5A Low Dropout (LDO) linear regulator that provides high current and low output voltages in a very small package. The MCP1727 comes in a fixed (or adjustable) output voltage version, with an output voltage range of 0 ...
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... MCP1727 Fixed Output Voltage OUT Sense SHDN C 6 DELAY 4 GND PWRGD 5 MCP1727 Adjustable Output Voltage OUT ADJ IN 3 SHDN C 6 DELAY 4 GND PWRGD 1. OUT µ 100 kΩ 1000 pF PWRGD OUT kΩ µ 100 kΩ kΩ 1000 pF PWRGD © 2007 Microchip Technology Inc. ...
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... Functional Block Diagram - Adjustable Output V IN Undervoltage Lock Out (UVLO) SHDN Overtemperature Sensing V IN SHDN Soft-Start GND © 2007 Microchip Technology Inc. PMOS I SNS Driver w/limit EA and SHDN – SHDN V REF Reference Comp 92 REF MCP1727 V OUT ADJ PWRGD T DELAY C DELAY DS21999B-page 3 ...
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... MCP1727 Functional Block Diagram - Fixed Output V IN Undervoltage Lock Out (UVLO) SHDN Overtemperature Sensing V IN SHDN Soft-Start GND DS21999B-page 4 PMOS I SNS Driver w/limit EA and SHDN – SHDN V REF Reference Comp 92 REF V OUT Sense PWRGD T DELAY C DELAY © 2007 Microchip Technology Inc. ...
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... The test time is small enough such that the rise in the junction temperature over the ambient temperature is not significant. © 2007 Microchip Technology Inc. † Notice: Stresses above those listed under “Maximum Rat- ings” may cause permanent damage to the device. This is a ...
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... SENSE PWRGD_TH PWRGD_TH % 2. 2. µ 6V, SHDN = SHDN = GND µs SHDN = GND GND to 95% V OUT DROPOUT(MAX). is the desired set point output R is the highest voltage measured over the . DROPOUT(MAX) ). Exceeding the maximum allowable power © 2007 Microchip Technology Inc. + ...
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... Electrical Specifications: Unless otherwise indicated, all limits apply for V Parameters Temperature Ranges Operating Junction Temperature Range Maximum Junction Temperature Storage Temperature Range Thermal Package Resistances Thermal Resistance, 8LD 3x3 DFN Thermal Resistance, 8LD SOIC © 2007 Microchip Technology Inc OUT(MAX) DROPOUT(MAX) = +25°C. A (Note 7) of -40°C to +125°C ...
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... OUT - 105 130 Temperature (°C) Line Regulation vs 1 1500 mA OUT V = 3.3V OUT V = 0.8V OUT V = 1.8V OUT V = 5.0V OUT - 105 130 Temperature (°C) Load Regulation 1.0 mA OUT - 105 130 Temperature (°C) Adjust Pin Voltage vs. © 2007 Microchip Technology Inc. ...
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... -45 - Temperature (°C) FIGURE 2-9: Power Good (PWRGD) Time Delay vs. Temperature. © 2007 Microchip Technology Inc. = 1.8V (Adjustable 2.8V OUT = V + 0.6V, RPWRGD = 10 kΩ OUT 150 V OUT 140 I OUT 130 120 = 2.5V Adj OUT 110 100 1250 1500 FIGURE 2-10: Voltage (0 ...
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... Temperature (°C) Line Regulation vs 2. 1500 mA OUT - 105 130 Temperature (°C) Load Regulation vs. < 2.5V Fixed). OUT 1500 mA OUT V = 2.5V OUT V = 5.0V OUT - 105 130 Temperature (°C) Load Regulation vs. ≥ 2.5V Fixed). OUT © 2007 Microchip Technology Inc. ...
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... V 0.50 Temperature = 25°C 0.00 3.0 3.5 4.0 4.5 5.0 Input Voltage (V) FIGURE 2-21: Short Circuit Current vs. Input Voltage. © 2007 Microchip Technology Inc. = 1.8V (Adjustable 2.8V OUT = V + 0.6V, RPWRGD = 10 kΩ OUT 5.0V OUT 0.1 0.01 0.001 1500 ...
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... Shutdown. OUT 100 1000 FIGURE 2-29: Timing with C = 2.5V OUT FIGURE 2-30: Timing with C = 4.7 µF Ceramic (X7R 4.7 µ 2.5V (Fixed) Startup from Power Good (PWRGD) of 1000 pF. BYPASS Power Good (PWRGD) of 0.1 µF. BYPASS © 2007 Microchip Technology Inc. ...
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... NOTE: Unless otherwise indicated V OUT Ceramic (X7R mA, Temperature = +25°C, V OUT FIGURE 2-31: Dynamic Line Response (0.8V Fixed). FIGURE 2-32: Dynamic Line Response (2.5V Fixed). © 2007 Microchip Technology Inc. = 1.8V (Adjustable 2.8V OUT = V + 0.6V, RPWRGD = 10 kΩ OUT FIGURE 2-33: (2.5V Fixed 1000 mA). ...
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... This provides the user the capability to set the output voltage to any value they desire within the 0.8V to 5.0V range of the device. pin) from the time the LDO DELAY pin. DELAY ) pin to ground, the typical delay times © 2007 Microchip Technology Inc. ...
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... SENSE input is used to provide output voltage feedback to the internal circuitry of the MCP1727. The SENSE pin typically improves load regulation by allowing the device to compensate for voltage drops due to packaging and circuit board layout. © 2007 Microchip Technology Inc. MCP1727 3.7 Regulated Output Voltage (V The V ...
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... MCP1727 to improve dynamic performance and power supply ripple rejection performance. A maximum of 22 µF is recommended. capacitors are not recommended for low-temperature applications of ≤ 25°C. V – V ⎛ ⎞ OUT ADJ -------------------------------- = R ⎝ ⎠ ADJ LDO Output Voltage ADJ Pin Voltage (typically 0.41V) Aluminum-electrolytic © 2007 Microchip Technology Inc. ...
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... Figure 4-3. © 2007 Microchip Technology Inc. The power good output is an open-drain output that can be pulled up to any voltage that is equal to or less than the LDO input voltage. This output is capable of sinking 1 ...
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... LDO. For applications with input voltages near 2.3V, these PCB trace voltage drops can sometimes lower the input voltage enough to trigger a shutdown due to undervoltage lockout. Figure 4-5 for a timing diagram 400 ns (typ) 70 µs Shutdown Input Timing © 2007 Microchip Technology Inc. ...
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... The junction temperature of the die is a function of power dissipation, ambient temperature and package thermal resistance. See Section 5.0 “Application Circuits/Issues” for more information on LDO power dissipation and junction temperature. © 2007 Microchip Technology Inc. MCP1727 DS21999B-page 19 ...
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... GND for the MCP1727 is GND continuous operating junction C ° the device. The thermal resistance C/W. ° × Rθ TOTAL JA AMAX = Maximum continuous junction temperature = Total device power dissipation = Thermal resistance from junction to ambient = Maximum ambient temperature © 2007 Microchip Technology Inc. To ...
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... T = Rise in device junction temperature J(RISE) over the ambient temperature T = Ambient temperature A © 2007 Microchip Technology Inc. 5.3 Typical Application Internal power dissipation, junction temperature rise, junction temperature and maximum power dissipation can be is calculated in the following example. The power dissipation as a result of ground current is small enough to be neglected ...
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... Capacitor DELAY charging current, DELAY 140 nA typical. ΔT = time delay Δ threshold voltage, DELAY 0.42V typical ΔT ( 140nA ΔT • ) • ------ - --------------------------------- - = 333.3 ΔV 0.42V For a delay of 300 ms 333.3E-09 * .300 C = 100E-09uF (0.1 μF) © 2007 Microchip Technology Inc. – 09 ×10 • ΔT ...
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... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. © 2007 Microchip Technology Inc. Standard Extended Temp Voltage Voltage ...
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... A1 0.00 A3 0.20 REF D 3.00 BSC E2 0.00 E 3.00 BSC D2 0.00 b 0.25 L 0. NOTE BOTTOM VIEW NOM MAX 8 0.90 1.00 0.02 0.05 – 1.60 – 2.40 0.30 0.35 0.30 0.55 – – Microchip Technology Drawing C04-062B © 2007 Microchip Technology Inc. ...
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... Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed 0.15 mm per side. 4. Dimensioning and tolerancing per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only. © 2007 Microchip Technology Inc ...
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... MCP1727 NOTES: DS21999B-page 26 © 2007 Microchip Technology Inc. ...
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... Figure 2-22: Revised label on Y-axis • Figure 2-27 and Figure 2-28: Replaced figure and revised figure captions. • Added disclaimers to package outline drawings. • Updated package outline drawings. Revision A (July 2006) • Original Release of this Document. © 2007 Microchip Technology Inc. MCP1727 DS21999B-page 27 ...
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... MCP1727 NOTES: DS21999B-page 28 © 2007 Microchip Technology Inc. ...
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... SN = Plastic Small Outline (150 mil Body), 8-lead © 2007 Microchip Technology Inc. Examples MCP1727-0802E/MF: Temp. Package b) MCP1727T-1202E/MF: Tape and Reel, c) MCP1727-1802E/MF: d) MCP1727T-2502E/MF: Tape and Reel, e) MCP1727-3002E/MF: f) MCP1727-3302E/MF: g) MCP1727T-5002E/MF: Tape and Reel, h) MCP1727T-0802E/SN: Tape and Reel, i) MCP1727-1202E/SN: j) MCP1727T-1802E/SN: Tape and Reel, k) MCP1727-2502E/SN: ...
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... MCP1727 NOTES: DS21999B-page 30 © 2007 Microchip Technology Inc. ...
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... Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2007 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...