MCP1827T-3002E/ET Microchip Technology, MCP1827T-3002E/ET Datasheet
MCP1827T-3002E/ET
Specifications of MCP1827T-3002E/ET
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MCP1827T-3002E/ET Summary of contents
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... Notebook Computers • Network Interface Cards • Palmtop Computers • 2.5V to 1.XV Regulators © 2007 Microchip Technology Inc. MCP1827/MCP1827S Description The MCP1827/MCP1827S is a 1.5A Low Dropout (LDO) linear regulator that provides high current and low output voltages. The MCP1827 comes in a fixed or adjustable output voltage version, with an output voltage range of 0 ...
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... SHDN Off V = 2. 4.7 µF On SHDN Off 2. 4.7 µF DS22001C-page 2 MCP1827 Fixed Output Voltage R 100 kΩ OUT IN GND MCP1827 Adjustable Output Voltage VADJ R 40 kΩ OUT IN GND PWRGD 1. OUT µ kΩ 1. OUT µF © 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. MCP1827/MCP1827S PMOS I SNS Driver w/limit EA and SHDN – SHDN V REF Reference Comp 92 REF V OUT ADJ T DELAY DS22001C-page 3 ...
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... MCP1827/MCP1827S Functional Block Diagram - Fixed Output (5 pin Undervoltage Lock Out (UVLO) SHDN Overtemperature Sensing V IN SHDN Soft-Start GND DS22001C-page 4 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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... Functional Block Diagram - Fixed Output (3-Pin Undervoltage Lock Out (UVLO) SHDN Overtemperature Sensing V IN SHDN Soft-Start GND © 2007 Microchip Technology Inc. MCP1827/MCP1827S PMOS I SNS Driver w/limit EA and SHDN – SHDN V REF Reference Comp 92 REF V OUT Sense T DELAY DS22001C-page 5 ...
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... Note 1, (Note 4) IN Ω Note 1, R < 0 LOAD Peak Current 2. 6.0V OUT 6.0V ADJ ppm/°C Note DROPOUT(MAX). is the desired set point output R is the highest voltage measured over the + V . DROPOUT(MAX) ). Exceeding the maximum allowable power JA © 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. MCP1827/MCP1827S = ...
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... DROPOUT(MAX) ). Exceeding the maximum allowable power = 2.3V to 6.0V. Units Conditions °C Steady State °C Transient °C °C/W 4-Layer JC51 Standard Board °C/W 4-Layer JC51 Standard Board °C/W 4-Layer JC51 Standard Board °C/W 4-Layer JC51 Standard Board © 2007 Microchip Technology Inc. ...
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... V =5.0V IN 115 110 V =4.0V IN 105 100 -45 - Temperature (°C) FIGURE 2-3: Quiescent Current vs. Junction Temperature (1.2V Adjustable). © 2007 Microchip Technology Inc. MCP1827/MCP1827S = 1.8V (Adjustable 2.8V OUT = V + 0.6V OUT PWRGD 0.1 0.09 0.08 0.07 0.06 0.05 I 0.04 OUT 0.03 0. ...
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... C +90 ° C +25 ° C -45 ° C 3.5 4 4.5 5 5.5 6 Input Voltage (V) Quiescent Current vs. Input V =0.8V OUT V =2.5V OUT V = 2.3V for V =0. 3.1V for V =2. 250 500 750 1000 1250 1500 Load Current (mA) Ground Current vs. Load © 2007 Microchip Technology Inc. ...
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... I = 500mA 0.04 OUT 0. 0.8V OUT V = 2.3V to 6.0V IN 0.00 -45 - Temperature (°C) FIGURE 2-15: Line Regulation vs. Temperature (0.8V Fixed). © 2007 Microchip Technology Inc. MCP1827/MCP1827S = 1.8V (Adjustable 2.8V OUT = V + 0.6V OUT PWRGD 0.045 0.040 0.035 0.030 0.025 0.020 I OUT 0.015 -45 105 130 FIGURE 2-16: Temperature (2 ...
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... X7R OUT V =3. μ =10 mA OUT 0 100 1000 Frequency (kHz) Power Supply Ripple = 1.2V OUT V =1.2V Adj R C =22 μF ceramic X7R OUT V =3. μ =10 mA OUT 0 100 1000 Frequency (kHz) Power Supply Ripple = 1.2V OUT © 2007 Microchip Technology Inc. ...
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... I =10 mA OUT -80 0.01 0 Frequency (kHz) FIGURE 2-26: Power Supply Ripple Rejection (PSRR) vs. Frequency (V Fixed). FIGURE 2-27: 2.5V (Adj.) Startup from V © 2007 Microchip Technology Inc. MCP1827/MCP1827S = 1.8V (Adjustable 2.8V OUT = V + 0.6V OUT PWRGD 100 1000 FIGURE 2-28: = 3.3V Shutdown. OUT ...
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... Temperature = +25°C, V OUT FIGURE 2-31: Dynamic Load Response (3.3V Fixed 1500 mA). DS22001C-page 14 = 1.8V (Adjustable 2.8V OUT = V + 0.6V OUT PWRGD FIGURE 2-32: (3.3V Fixed, 100 mA to 1500 mA). = 4.7 µF Ceramic (X7R 4.7 µ kΩ Dynamic Load Response © 2007 Microchip Technology Inc. ...
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... GND pin to the return of the output capacitor. Ground planes help lower inductance and voltage spikes caused by fast transient load currents and are recommended for applications that are subjected to fast load transients. © 2007 Microchip Technology Inc. MCP1827/MCP1827S Name Description 1 SHDN Shutdown Control Input (active-low) ...
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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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... Figure 4-3. 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. MCP1827/MCP1827S V PWRGD_TH V OUT T PG ...
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... See cuits/Issues” for more information on LDO power dissipation and junction temperature. The LDO has tempera the LDO ° C, the LDO ° which point the LDO ° Section 5.0 “Application Cir- © 2007 Microchip Technology Inc. ...
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... V = Maximum input voltage IN(MAX LDO minimum output voltage OUT(MIN) © 2007 Microchip Technology Inc. MCP1827/MCP1827S In addition to the LDO pass element power dissipation, there is MCP1827/MCP1827S as a result of quiescent or ground current. The power dissipation as a result of the ground current can be calculated using the following ...
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... Application” (DS00792), for more information regarding this subject. T J(RISE) T JRISE T JRISE = 3.3V ± 2.5V = 1.5A = 60° – IN(MAX) OUT(MIN) OUT(MAX) = ((3.3V x 1.05) – (2.5V x 0.975)) x 1.5A = 1.54 Watts Device Junction Temperature Rise ) Rθ TOTAL 29.3 C/W ° = 45.12 C ° © 2007 Microchip Technology Inc. ...
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... 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. MCP1827/MCP1827S DS22001C-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. DS22001C-page 22 Example: MCP1827S 0.8EEB 0630256 Example: MCP1827S 12EAB 0630256 Example: MCP1827 1.0EET 0630256 Example: MCP1827 08EAT 0630256 © 2007 Microchip Technology Inc. ...
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... L .068 L1 – φ 0° CHAMFER OPTIONAL C2 MAX 3 – .190 – .010 – .420 – – – .380 – .625 – – – .029 – .065 – .039 – .070 – .110 – .067 – 8° Microchip Technology Drawing C04-011B DS22001C-page 23 ...
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... BSC .200 BSC – .190 – .055 – .115 – .420 – .120 – .650 – .355 – .270 – .156 – .580 – .250 – .024 .027 .040 .057 .070 Microchip Technology Drawing C04-034B © 2007 Microchip Technology Inc. ...
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... CHAMFER OPTIONAL C2 INCHES NOM MAX 5 .067 BSC – .190 – .010 – .420 – – – .380 – .625 – – – .029 – .065 – .039 – .110 – .067 – 8° Microchip Technology Drawing C04-012B DS22001C-page 25 ...
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... L .482 A2 .080 c .012 b .015 INCHES NOM MAX 5 – .190 – .420 – .650 – .355 – .293 – .055 – .120 – .156 – .590 – .115 – .025 .027 .040 Microchip Technology Drawing C04-036B © 2007 Microchip Technology Inc. ...
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... Pages 9-14: Revised notes. Revision B (September 2006) • Correction to maximum Dropout Voltage in Section 1.0. • Added additional graphs in Section 2.0. • Added disclaimer to package outline drawings. Revision A (July 2006) • Original Release of this Document. © 2007 Microchip Technology Inc. MCP1827/MCP1827S DS22001C-page 27 ...
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... MCP1827/MCP1827S NOTES: DS22001C-page 28 © 2007 Microchip Technology Inc. ...
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... X Device Output Feature Tolerance Voltage Code Device: MCP1827: 1.5A Low Dropout Regulator MCP1827T: 1.5A Low Dropout Regulator Tape and Reel MCP1827S: 1.5A Low Dropout Regulator MCP1827ST: 1.5A Low Dropout Regulator Tape and Reel Output Voltage *: 08 = 0.8V “Standard” 1.2V “Standard” ...
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... MCP1827/MCP1827S NOTES: DS22001C-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 ...