MCP1826T-3302E/DC Microchip Technology, MCP1826T-3302E/DC Datasheet
MCP1826T-3302E/DC
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MCP1826-3302E/DC
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MCP1826T-3302E/DC Summary of contents
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... Networking Backplane Cards • Notebook Computers • Network Interface Cards • Palmtop Computers • 2.5V to 1.XV Regulators © 2007 Microchip Technology Inc. LDO Regulator Description The MCP1826/MCP1826S is a 1000 mA Low Dropout (LDO) linear regulator that provides high current and low output voltages. The MCP1826 comes in a fixed or adjustable output voltage version, with an output voltage range of 0 ...
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... Package Types MCP1826 DDPAK-5 Fixed/Adjustable SOT-223 Pin Fixed 1 SHDN GND (TAB OUT 5 PWRGD 6 GND (TAB) DS22057A-page 2 TO-220-5 DDPAK Adjustable SHDN V IN GND (TAB) V OUT ADJ GND (TAB) MCP1826S TO-220 SOT-223 Pin GND (TAB OUT 4 GND (TAB) © 2007 Microchip Technology Inc. ...
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... Typical Application On SHDN Off V = 2. 4.7 µF On SHDN Off 2. 4.7 µF © 2007 Microchip Technology Inc. MCP1826/MCP1826S MCP1826 Fixed Output Voltage R 1 100 kΩ OUT GND MCP1826 Adjustable Output Voltage V ADJ R 40 kΩ OUT GND PWRGD V = 1.8V @ 1000 mA ...
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... MCP1826/MCP1826S Functional Block Diagram - Adjustable Output V IN Undervoltage Lock Out (UVLO) SHDN Overtemperature Sensing V IN SHDN Soft-Start GND DS22057A-page 4 PMOS I SNS Driver w/limit EA and SHDN – SHDN V REF Reference Comp 92 REF V OUT ADJ/SENSE T DELAY © 2007 Microchip Technology Inc. ...
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... Functional Block Diagram - Fixed Output (3-Pin Undervoltage Lock Out (UVLO) SHDN Overtemperature Sensing V IN SHDN Soft-Start GND © 2007 Microchip Technology Inc. MCP1826/MCP1826S PMOS I SNS Driver w/limit EA and SHDN – SHDN V REF Reference Comp 92 REF V OUT Sense T DELAY DS22057A-page 5 ...
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... MCP1826/MCP1826S Functional Block Diagram - Fixed Output (5-Pin Undervoltage Lock Out (UVLO) SHDN Overtemperature Sensing V IN SHDN Soft-Start GND DS22057A-page 6 PMOS I SNS Driver w/limit EA and SHDN – SHDN V REF Reference Comp 92 REF V OUT Sense PWRGD T DELAY © 2007 Microchip Technology Inc. ...
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... 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. © 2007 Microchip Technology Inc. MCP1826/MCP1826S † Notice: Stresses above those listed under “Maximum Rat- ings” ...
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... SHDN = GND GND to 95% V OUT R µV/√ 200 mA kHz, OUT µF (X7R Ceramic), OUT V = 2.5V OUT + V DROPOUT(MAX). is the desired set point output R is the highest voltage measured over the + V . DROPOUT(MAX) ). Exceeding the maximum allowable power © 2007 Microchip Technology Inc. ...
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... Maximum Junction Temperature Storage Temperature Range Thermal Package Resistances Thermal Resistance, 3L-DDPAK Thermal Resistance, 3L-TO-220 Thermal Resistance, 3L-SOT-223 Thermal Resistance, 5L-DDPAK Thermal Resistance, 5L-TO-220 Thermal Resistance, 5L-SOT-223 © 2007 Microchip Technology Inc. MCP1826/MCP1826S = OUT(MAX) DROPOUT(MAX) = +25°C. A (Note 7) of -40°C to +125°C ...
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... Temperature (°C) Line Regulation vs 1 1000 mA OUT V = 3.3V OUT = 1.8V OUT V = 0.8V = 5.0V OUT OUT - 105 130 Temperature (°C) Load Regulation vs 1.2V OUT OUT 2. 105 130 Temperature (°C) Adjust Pin Voltage vs. © 2007 Microchip Technology Inc. ...
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... 3.9V 110.0000 IN 100.0000 -45 - Temperature (°C) FIGURE 2-9: Power Good (PWRGD) Time Delay vs. Temperature. © 2007 Microchip Technology Inc. MCP1826/MCP1826S = 4.7 µF Ceramic (X7R 4.7 µF Ceramic (X7R), I OUT IN 150 V OUT I 140 OUT 130 +130°C 120 +90°C = 2.5V Adj +25° ...
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... Temperature (°C) Line Regulation vs 0.8V OUT 1000 mA OUT - 105 130 Temperature (°C) Load Regulation vs. < 2.5V Fixed). OUT 1000 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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... Input Voltage (V) FIGURE 2-21: Short Circuit Current vs. Input Voltage. © 2007 Microchip Technology Inc. MCP1826/MCP1826S = 4.7 µF Ceramic (X7R 4.7 µF Ceramic (X7R), I OUT IN 10.000 1.000 0.100 0.010 1000 0.01 FIGURE 2-22: Density vs. Frequency 1000 mA ...
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... FIGURE 2-27: Power Good (PWRGD) Timing. DS22057A-page 14 = 4.7 µF Ceramic (X7R 4.7 µF Ceramic (X7R), I OUT IN . FIGURE 2-28: IN FIGURE 2-29: ( 1000 mA). FIGURE 2-30: (100 mA to 1000 mA mA, OUT Dynamic Line Response. Dynamic Load Response Dynamic Load Response © 2007 Microchip Technology Inc. ...
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... LDO. A minimum output capacitance of 1.0 µF is required for LDO stability. The MCP1826/MCP1826S is stable with ceramic, tantalum and aluminum-electro- lytic capacitors. See Section 4.3 “Output Capacitor” for output capacitor selection guidance. © 2007 Microchip Technology Inc. MCP1826/MCP1826S Table 3-1. Name Description ...
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... A maximum of 22 µF is recommended. Aluminum-electrolytic capacitors are not recom- mended for low-temperature applications of ≤ 25°C. V – V ⎛ ⎞ OUT ADJ -------------------------------- = R ⎝ ⎠ ADJ LDO Output Voltage ADJ Pin Voltage (typically 0.41V) to improve dynamic © 2007 Microchip Technology Inc. ...
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... 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 < 0.4V maximum). PWRGD © 2007 Microchip Technology Inc. MCP1826/MCP1826S V PWRGD_TH V OUT step load ...
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... See Section 5.0 “Application Circuits/ Issues” for more information on LDO power dissipation and junction temperature the LDO ° C, the LDO ° which point the LDO ° © 2007 Microchip Technology Inc. ...
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... Maximum input voltage IN(MAX LDO minimum output voltage OUT(MIN) © 2007 Microchip Technology Inc. MCP1826/MCP1826S In addition to the LDO pass element power dissipation, there is power dissipation within the MCP1826/ MCP1826S as a result of quiescent or ground current. The power dissipation as a result of the ground current ...
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... T J(RISE) T JRISE T JRISE = 3.3V ± 2.5V = 1000 mA = 60° – IN(MAX) OUT(MIN) OUT(MAX) = ((3.3V x 1.05) – (2.5V x 0.975)) x 1000 mA = 1.028 Watts Device Junction Temperature Rise ) Rθ TOTAL JA = 1.028 W x 29.3 C/W ° = 30.12 C ° © 2007 Microchip Technology Inc. ...
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... D(MAX) DDPAK-5 (31.2°C/Watt Rθ (125°C – 60°C)/ 31.2°C/W D(MAX 2.083W D(MAX) From this table, you can see the difference in maximum allowable power dissipation between the TO-220-5 package and the DDPAK-5 package. © 2007 Microchip Technology Inc. MCP1826/MCP1826S DS22057A-page 21 ...
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... 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. DS22057A-page 22 Example: MCP1826S 0.8EEB 0730256 Example: 1826S08 EDB0730 256 Example: MCP1826S 12EAB 0730256 © 2007 Microchip Technology Inc. ...
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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. MCP1826/MCP1826S Example: MCP1826 e 1 ...
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... MCP1826/MCP1826S DS22057A-page 24 © 2007 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP1826/MCP1826S DS22057A-page 25 ...
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... MCP1826/MCP1826S DS22057A-page 26 © 2007 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP1826/MCP1826S DS22057A-page 27 ...
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... MCP1826/MCP1826S DS22057A-page 28 © 2007 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP1826/MCP1826S DS22057A-page 29 ...
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... MCP1826/MCP1826S NOTES: DS22057A-page 30 © 2007 Microchip Technology Inc. ...
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... APPENDIX A: REVISION HISTORY Revision A (August 2007) • Original Release of this Document. © 2007 Microchip Technology Inc. MCP1826/MCP1826S DS22057A-page 31 ...
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... MCP1826/MCP1826S NOTES: DS22057A-page 32 © 2007 Microchip Technology Inc. ...
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... X Device Output Feature Tolerance Voltage Code Device: MCP1826: 1000 mA Low Dropout Regulator MCP1826T: 1000 mA Low Dropout Regulator Tape and Reel MCP1826S: 1000 mA Low Dropout Regulator MCP1826ST: 1000 mA Low Dropout Regulator Tape and Reel Output Voltage *: 08 = 0.8V “Standard” 1.2V “Standard” ...
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... MCP1826/MCP1826S NOTES: DS22057A-page 34 © 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 ...