MCP1725T-2502E/SN Microchip Technology, MCP1725T-2502E/SN Datasheet
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MCP1725T-2502E/SN
Specifications of MCP1725T-2502E/SN
Related parts for MCP1725T-2502E/SN
MCP1725T-2502E/SN Summary of contents
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... GND 4 5 PWRGD 4 GND © 2007 Microchip Technology Inc. MCP1725 Description The MCP1725 is a 500 mA Low Dropout (LDO) linear regulator that provides high current and low output voltages in a very small package. The MCP1725 comes in a fixed (or adjustable) output voltage version, with an output voltage range of 0 ...
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... IN 3 SHDN C 6 DELAY 4 GND PWRGD 5 MCP1725 Adjustable Output Voltage OUT ADJ IN 3 SHDN C 6 DELAY 4 GND PWRGD 1.8V @ 500 mA OUT µ 100 kΩ 1000 pF PWRGD V = 1.2V @ 500 mA 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 MCP1725 V OUT ADJ PWRGD T DELAY C DELAY DS22026B-page 3 ...
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... MCP1725 Functional Block Diagram - Fixed Output V IN Undervoltage Lock Out (UVLO) SHDN Overtemperature Sensing V IN SHDN Soft-Start GND DS22026B-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 Ratings” may cause permanent damage to the device. ...
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... DELAY 0.1 µF DELAY µ ADJ SENSE PWRGD_TH PWRGD_TH % 2. 2. µ 6V, SHDN = SHDN = GND + V DROPOUT(MAX). is the desired set point output R is the highest voltage measured over the . ). 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 2x3 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 3.3V OUT V = 0.8V OUT = 1.8V OUT OUT 500 mA OUT - 105 130 Temperature (°C) Load Regulation vs OUT = 6. 5. 2.3V, 3.0V, 4. 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 (Adjustable Version). © 2007 Microchip Technology Inc 0. 2.3V (whichever is greater), I OUT Open, Fixed Output Version, and T IN DELAY 150 I OUT 140 = 5.0V OUT 130 V = 2.5V 120 OUT 110 100 ...
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... Temperature (°C) Line Regulation vs 1 500 mA OUT = 0.8V = 1.2V - 105 130 Temperature (°C) Load Regulation vs. < 2.5V Fixed). OUT 500 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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... I STEADY STATE 0.60 0.50 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 0. 2.3V (whichever is greater), I OUT Open, Fixed Output Version, and T IN DELAY 5.0V OUT 2.5V ...
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... Shutdown. OUT 100 1000 FIGURE 2-29: Timing with Cdelay of 1000 pF (2.5V Fixed). = 2.5V OUT FIGURE 2-30 Timing with mA, OUT = +25°C. A 2.5V (Adj.) Startup from Power Good (PWRGD) Power Good (PWRGD) of 0.01 µF (2.5V Fixed). DELAY © 2007 Microchip Technology Inc. ...
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... 4.7 µF Ceramic (X7R), SHDN = V IN OUT FIGURE 2-31: Dynamic Line Response (5.0V Fixed). FIGURE 2-32: Dynamic Line Response (2.5V Fixed). © 2007 Microchip Technology Inc 0. 2.3V (whichever is greater), I OUT Open, Fixed Output Version, and T IN DELAY FIGURE 2-33: (2.5V Fixed 500 mA). ...
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... PWRGD output can be adjusted from 200 µs (no capacitance) to 300 ms (0.1 µF capacitor). This allows for the optimal setting of the system reset time. 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 MCP1725. 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. MCP1725 3.7 Regulated Output Voltage (V The V ...
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... MCP1725 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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... SHDN input. The total time from the SHDN input going high (turn-on) to the LDO output being in regulation is typically 100 µs. See the SHDN input. 30 µs SHDN V OUT FIGURE 4-5: Diagram. , with minimum IN Figure 4-5 for a timing diagram 400 ns (typ) 70 µs Shutdown Input Timing © 2007 Microchip Technology Inc. ...
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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. © 2007 Microchip Technology Inc. MCP1725 4.9 Overtemperature Protection The MCP1725 LDO has temperature-sensing circuitry ...
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... GND for the MCP1725 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 dissi- pation as a result of ground current is small enough to be neglected ...
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... C charging current, DELAY 140 nA typical. ΔT = time delay Δ threshold voltage, 0.42V DELAY typical Δ • Δ 140nA T • ------ - --------------------------------- - = 333.3 Δ V 0.42V For a delay of 300ms 333.3E-09 *.300 C = 100E-09 µF (0.1 µF) © 2007 Microchip Technology Inc. – 09 • Δ ×10 T ...
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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 Code ...
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... MCP1725 D N NOTE TOP VIEW A3 DS22026B-page EXPOSED PAD BOTTOM VIEW A NOTE NOTE © 2007 Microchip Technology Inc. ...
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... N NOTE © 2007 Microchip Technology Inc φ MCP1725 α c β DS22026B-page 25 ...
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... MCP1725 NOTES: DS22026B-page 26 © 2007 Microchip Technology Inc. ...
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... APPENDIX A: REVISION HISTORY Revision B (December 2007) • Updated Temperature Specifications in Section 1.0 “Electrical Characteristics”. • Updated Section 6.0 “Packaging Information”. • Updated Templates. Revision A (December 2006) • Original Release of this Document. © 2007 Microchip Technology Inc. MCP1725 DS22026B-page 27 ...
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... MCP1725 NOTES: DS22026B-page 28 © 2007 Microchip Technology Inc. ...
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... To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office PART NO Device Output Feature Tolerance Voltage Code Device: MCP1725: 500 mA Low Dropout Regulator MCP1725T: 500 mA Low Dropout Regulator Tape and Reel Output Voltage *: 08 = 0.8V “Standard” 1.2V “Standard” 1.8V “Standard” 2.5V “Standard” 3.0V “Standard” ...
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... MCP1725 NOTES: DS22026B-page 30 © 2007 Microchip Technology Inc. ...
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... PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, 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 ...